{"id":403826,"date":"2026-09-08T07:04:02","date_gmt":"2026-09-08T07:04:02","guid":{"rendered":"https:\/\/asthmaandallergyfriendly.com\/USA\/?page_id=403826"},"modified":"2026-10-21T13:12:01","modified_gmt":"2026-10-21T13:12:01","slug":"the-science","status":"publish","type":"page","link":"https:\/\/asthmaandallergyfriendly.com\/USA\/the-science\/","title":{"rendered":"The Science"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"403826\" class=\"elementor elementor-403826\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-859f045 e-con-full Inner_banner_the_science e-flex e-con e-parent\" data-id=\"859f045\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-292aeb2 e-flex e-con-boxed e-con e-child\" data-id=\"292aeb2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-37ff1e3 e-con-full e-flex e-con e-child\" data-id=\"37ff1e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad6272f elementor-widget elementor-widget-heading\" data-id=\"ad6272f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The science\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-966ea52 text-wrap-balance elementor-widget elementor-widget-heading\" data-id=\"966ea52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Rigorous, science-led and independently tested.<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7517444 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"7517444\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<section class=\"aaf-section aaf-section--teal\"><div class=\"aaf-container aaf-relative\"><p class=\"aaf-science__lead\">The <strong>Asthma &amp; Allergy Friendly\u00ae<\/strong> Certification Program is built on peer-reviewed scientific standards developed by Allergy Standards Limited and reviewed by AAFA\u2019s Medical Scientific Council, not on marketing claims.<\/p><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f18bf9 e-con-full e-flex e-con e-parent\" data-id=\"1f18bf9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-098ac35 e-flex e-con-boxed e-con e-child\" data-id=\"098ac35\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7965a8a e-con-full e-flex e-con e-child\" data-id=\"7965a8a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16e057a elementor-widget elementor-widget-heading\" data-id=\"16e057a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Indoor air quality<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c2266a text-wrap-pretty elementor-widget elementor-widget-heading\" data-id=\"7c2266a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Most of the air you breathe is indoor air.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c49ba92 elementor-widget elementor-widget-text-editor\" data-id=\"c49ba92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>On average, people spend up to 90% of their time indoors, and indoor air can be two to five times more polluted than the air outside.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-593806e elementor-widget elementor-widget-text-editor\" data-id=\"593806e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"aaf-prose\"><p>Indoor Air Quality is of particular concern for those affected by asthma and allergies, but a healthier home is of broader benefit to all.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eecffa4 e-con-full e-flex e-con e-child\" data-id=\"eecffa4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-323d29b e-con-full e-flex e-con e-child\" data-id=\"323d29b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-131d147 elementor-widget elementor-widget-html\" data-id=\"131d147\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"Indoor-air-quality aaf-statpanel--teal aaf-reveal\">\r\n  <div class=\"aaf-statpanel__head\">\r\n    <span class=\"aaf-statpanel__num\">90%<\/span>\r\n    <span class=\"aaf-statpanel__unit\">of an average day<br>is spent indoors<\/span>\r\n  <\/div>\r\n  <div class=\"aaf-hourstrip\" role=\"img\" aria-label=\"22 of 24 hours spent indoors\"><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span class=\"is-indoors\"><\/span><span><\/span><span><\/span><\/div>\r\n  <div class=\"aaf-statpanel__foot\"><span>&asymp; 21&frac12; of every 24 hours<\/span><span style=\"color:rgba(255,255,255,0.55)\">Source: US EPA<\/span><\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3be9da4 elementor-widget elementor-widget-html\" data-id=\"3be9da4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"Indoor-air-quality aaf-statpanel--ink aaf-reveal\">\r\n  <div class=\"aaf-statpanel__head\">\r\n    <span class=\"aaf-statpanel__num\">2&ndash;5&times;<\/span>\r\n    <span class=\"aaf-statpanel__unit aaf-statpanel__unit--teal\">more polluted<br>than outside<\/span>\r\n  <\/div>\r\n  <div class=\"aaf-barchart\">\r\n    <div class=\"aaf-barchart__col\"><span class=\"aaf-barchart__label\">1&times;<\/span><div class=\"aaf-barchart__bar aaf-barchart__bar--1x\"><\/div><\/div>\r\n    <div class=\"aaf-barchart__col\"><span class=\"aaf-barchart__label aaf-barchart__label--teal\">2&times;<\/span><div class=\"aaf-barchart__bar aaf-barchart__bar--2x\"><\/div><\/div>\r\n    <div class=\"aaf-barchart__col\"><span class=\"aaf-barchart__label aaf-barchart__label--teal\">5&times;<\/span><div class=\"aaf-barchart__bar aaf-barchart__bar--5x\"><\/div><\/div>\r\n  <\/div>\r\n  <div class=\"aaf-barchart__axis\"><span>Outdoor air<\/span><span>Typical indoor range<\/span><\/div>\r\n  <div class=\"aaf-barchart__note\">Levels may be 1,000 times background outdoor levels during activities such as paint stripping.<span class=\"aaf-source aaf-source--on-dark\" style=\"margin-top:8px\">Source: EPA Indoor Air Quality<\/span><\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-150c233 e-con-full e-flex e-con e-parent\" data-id=\"150c233\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ad465fc e-flex e-con-boxed e-con e-child\" data-id=\"ad465fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eb2062c elementor-widget elementor-widget-html\" data-id=\"eb2062c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<section class=\"Featured_categorie aaf-section\">\n  <div class=\"aaf-carousel__head\">\n    <div>\n      <span class=\"aaf-eyebrow\">Featured Categories<\/span>\n      <h3>What testing looks like, category by category<\/h3>\n    <\/div>\n    <div class=\"aaf-carousel__nav\">\n      <span class=\"aaf-carousel__position\" id=\"carousel-position\">1 \/ 4<\/span>\n      <div style=\"display:flex;gap:8px\">\n        <button class=\"aaf-btn-round\" type=\"button\" id=\"carousel-prev\" aria-label=\"Previous category\"><svg class=\"aaf-icon aaf-icon--22 aaf-ico-ink\" aria-hidden=\"true\"><use href=\"#i-chevron-left\"><\/use><\/svg><\/button>\n        <button class=\"aaf-btn-round aaf-btn-round--primary\" type=\"button\" id=\"carousel-next\" aria-label=\"Next category\"><svg class=\"aaf-icon aaf-icon--22 aaf-ico-white\" aria-hidden=\"true\"><use href=\"#i-chevron-right\"><\/use><\/svg><\/button>\n      <\/div>\n    <\/div>\n  <\/div>\n  <div class=\"aaf-carousel__stage\">\n    <div class=\"aaf-carousel__slide is-active\" role=\"tabpanel\" aria-labelledby=\"cat-tab-0\">\n      <div class=\"aaf-carousel__top\">\n        <div class=\"aaf-carousel__copy\">\n          <span class=\"aaf-badge-soft-teal\">ASP:03 &middot; Air filters<\/span>\n          <h4>HVAC filters<\/h4>\n          <p>We test the product in an environmentally-controlled test duct, using test dust that contains allergens. It is important that the filter can remove allergens from the air, and different allergens respond differently to filtration, because they have different sizes and features. Our standard addresses these issues.<\/p>\n        <\/div>\n        <div class=\"aaf-carousel__media\"><img decoding=\"async\" src=\"https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/holding-a-filter-in-a-climate-control-unit.jpg\" alt=\"An HVAC filter being replaced in a home system\" ><\/div>\n      <\/div>\n      <div class=\"aaf-carousel__tests\">\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-wind\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Controlled test duct<\/div>\n          <div class=\"aaf-carousel__test-body\">Performance is measured in an environmentally-controlled duct, not in a marketing lab.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-flask\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Allergen-loaded test dust<\/div>\n          <div class=\"aaf-carousel__test-body\">The test dust contains real allergens, sized and structured differently, as they are in a home.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-gauge\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Tested when dirty<\/div>\n          <div class=\"aaf-carousel__test-body\">The filter is retested loaded with dust, to confirm performance is maintained in use.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div class=\"aaf-carousel__slide\" role=\"tabpanel\" aria-labelledby=\"cat-tab-1\">\n      <div class=\"aaf-carousel__top\">\n        <div class=\"aaf-carousel__copy\">\n          <span class=\"aaf-badge-soft-teal\">ASP:07 &middot; Paints &amp; coatings<\/span>\n          <h4>Interior paint<\/h4>\n          <p>Paint covers more surface area than almost any other indoor material, continuing to emit harmful chemicals long after it dries. Certified paints are rigorously tested for : a) chemical emissions during curing <br>b) release of irritants when cleaning the dried painted surface.<\/p>\n        <\/div>\n        <div class=\"aaf-carousel__media\"><img decoding=\"async\" src=\"https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/paint-roller-applying-fresh-white-paint-to-wall.jpg\" alt=\"Interior paint being rolled onto a wall\" ><\/div>\n      <\/div>\n      <div class=\"aaf-carousel__tests\">\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-flask\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Chemical emissions<\/div>\n          <div class=\"aaf-carousel__test-body\">VOCs and irritant compounds are measured in a sealed chamber during and after curing.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-ban\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">No masking fragrance<\/div>\n          <div class=\"aaf-carousel__test-body\">Added fragrance to cover solvent odour is not permitted in a certified formulation.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-spray\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Cleanable surface<\/div>\n          <div class=\"aaf-carousel__test-body\">The painted surface must tolerate repeated cleaning without releasing particles or irritants.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div class=\"aaf-carousel__slide\" role=\"tabpanel\" aria-labelledby=\"cat-tab-2\">\n      <div class=\"aaf-carousel__top\">\n        <div class=\"aaf-carousel__copy\">\n          <span class=\"aaf-badge-soft-teal\">ASP:01 &middot; Air cleaners<\/span>\n          <h4>Room air cleaners<\/h4>\n          <p>A portable air cleaner is only as good as its performance in real homes. We test the removal of allergens from dust mites, pet dander and pollens,in an environmental chamber simulating the home environment. We also ensure that the device does not generate secondary pollutants.<\/p>\n        <\/div>\n        <div class=\"aaf-carousel__media\"><img decoding=\"async\" src=\"https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/air-purifier-on-wood-floor-in-modern-home.jpg\" alt=\"A room air cleaner running in a living room\" ><\/div>\n      <\/div>\n      <div class=\"aaf-carousel__tests\">\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-wind\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Allergen removal rate<\/div>\n          <div class=\"aaf-carousel__test-body\">Measured across pollen, dust mite allergen and pet dander particle sizes.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-shield-check\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">No ozone by-product<\/div>\n          <div class=\"aaf-carousel__test-body\">The unit must not generate ozone or other secondary pollutants during operation.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-gauge\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Real-room capability<\/div>\n          <div class=\"aaf-carousel__test-body\">An air purifier's clean air delivery rating (CADR) should be appropriate for the size of the space it is to be used in.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div class=\"aaf-carousel__slide\" role=\"tabpanel\" aria-labelledby=\"cat-tab-3\">\n      <div class=\"aaf-carousel__top\">\n        <div class=\"aaf-carousel__copy\">\n          <span class=\"aaf-badge-soft-teal\">ASP:02 &middot; Bedding products<\/span>\n          <h4>Bedding &amp; encasings<\/h4>\n          <p>You spend a third of your life in close contact with bedding, and it is where dust mite allergen concentrates. Certified bedding is tested as a barrier \u2014 how well it keeps allergen out, whether it survives repeated hot washing, and what it is treated with.<\/p>\n        <\/div>\n        <div class=\"aaf-carousel__media\"><img decoding=\"async\" src=\"https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/crisp-white-bedding-in-a-minimalist-setting.jpg\" alt=\"Freshly made bed with white bedding\"><\/div>\n      <\/div>\n      <div class=\"aaf-carousel__tests\">\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-shield-check\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Allergen barrier<\/div>\n          <div class=\"aaf-carousel__test-body\">Fabric and seams are tested for allergen penetration, not just thread count.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-droplets\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Washable and durable<\/div>\n          <div class=\"aaf-carousel__test-body\">Barrier performance must hold after repeated laundering at recommended temperatures.<\/div>\n        <\/div>\n        <div class=\"aaf-carousel__test\">\n          <div class=\"aaf-carousel__test-icon\"><svg class=\"aaf-icon aaf-icon--26 aaf-ico-teal-l\" aria-hidden=\"true\"><use href=\"#i-flask\"><\/use><\/svg><\/div>\n          <div class=\"aaf-carousel__test-title\">Chemical screening<\/div>\n          <div class=\"aaf-carousel__test-body\">Treatments and finishes are screened for irritants and restricted substances.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n  <div class=\"aaf-carousel__tabs\" role=\"tablist\" aria-label=\"Featured categories\">\n    <button class=\"aaf-carousel__tab is-on\" type=\"button\" role=\"tab\" id=\"cat-tab-0\" data-index=\"0\" aria-selected=\"true\">HVAC filters<\/button>\n    <button class=\"aaf-carousel__tab\" type=\"button\" role=\"tab\" id=\"cat-tab-1\" data-index=\"1\" aria-selected=\"false\">Paint<\/button>\n    <button class=\"aaf-carousel__tab\" type=\"button\" role=\"tab\" id=\"cat-tab-2\" data-index=\"2\" aria-selected=\"false\">Air cleaners<\/button>\n    <button class=\"aaf-carousel__tab\" type=\"button\" role=\"tab\" id=\"cat-tab-3\" data-index=\"3\" aria-selected=\"false\">Bedding<\/button>\n  <\/div>\n<\/section>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc2d9ba e-con-full e-flex e-con e-parent\" data-id=\"bc2d9ba\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d9113ba e-flex e-con-boxed e-con e-child\" data-id=\"d9113ba\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-be5e00b e-con-full e-flex e-con e-child\" data-id=\"be5e00b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f45e4fb program-does-image elementor-widget elementor-widget-image\" data-id=\"f45e4fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/bright-clean-interior-with-modern-furniture.jpg\" class=\"attachment-full size-full wp-image-407377\" alt=\"What the program does image\" srcset=\"https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/bright-clean-interior-with-modern-furniture.jpg 800w, https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/bright-clean-interior-with-modern-furniture-300x200.jpg 300w, https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/bright-clean-interior-with-modern-furniture-150x100.jpg 150w, https:\/\/asthmaandallergyfriendly.com\/USA\/wp-content\/uploads\/2026\/10\/bright-clean-interior-with-modern-furniture-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4939db5 e-con-full e-flex e-con e-child\" data-id=\"4939db5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-90827b9 elementor-widget elementor-widget-heading\" data-id=\"90827b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What the program does\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e43395 elementor-widget elementor-widget-heading\" data-id=\"7e43395\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Helping people identify products that make a genuine difference\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42d095a elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"42d095a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tThe <strong>Asthma &amp; Allergy Friendly\u00ae<\/strong> Certification Program develops certification standards for relevant categories of products, and undergo independent testing to those standards.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28ff99e elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"28ff99e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<section class=\"aaf-section aaf-section--white\">\n<div class=\"aaf-container--wide\">\n<div class=\"aaf-split-0911\">\n<div class=\"aaf-prose aaf-prose--narrow\">\n\nIn this way, the consumer can make an informed choice about the materials they bring into their home: insulation, flooring products, bedding, filters and more.\n\n<\/div>\n<\/div>\n<\/div>\n<\/section><section class=\"aaf-section aaf-section--white\"><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da50939 e-con-full e-flex e-con e-parent\" data-id=\"da50939\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-032e3b6 e-flex e-con-boxed e-con e-child\" data-id=\"032e3b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-911f11a elementor-widget elementor-widget-heading\" data-id=\"911f11a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How a standard is made\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a48505 elementor-widget elementor-widget-heading\" data-id=\"3a48505\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Five steps from community need to certified product\n<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c11034e e-con-full e-flex e-con e-child\" data-id=\"c11034e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bdb422c e-con-full e-flex e-con e-child\" data-id=\"bdb422c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f5cd6b9 e-con-full e-flex e-con e-child\" data-id=\"f5cd6b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1b28519 e-con-full e-flex e-con e-child\" data-id=\"1b28519\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c08f0ec elementor-widget elementor-widget-html\" data-id=\"c08f0ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<svg class=\"product_icon aaf-icon aaf-icon--26 aaf-ico-teal\" aria-hidden=\"true\"><use href=\"#i-users\"><\/use><\/svg>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15d3bbc elementor-widget elementor-widget-heading\" data-id=\"15d3bbc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">01<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2cf7926 e-con-full e-flex e-con e-child\" data-id=\"2cf7926\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2935f6f elementor-widget elementor-widget-heading\" data-id=\"2935f6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Listen to the community\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc15731 elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"dc15731\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>AAFA and ASL conduct market research and listen to feedback from AAFA\u2019s asthma and allergy community about what people actually need in their homes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-60cf380 e-con-full e-flex e-con e-child\" data-id=\"60cf380\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-aea2cb9 e-con-full e-flex e-con e-child\" data-id=\"aea2cb9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7270149 e-con-full e-flex e-con e-child\" data-id=\"7270149\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ae29d6 elementor-widget elementor-widget-html\" data-id=\"9ae29d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<svg class=\"product_icon aaf-icon aaf-icon--26 aaf-ico-blue\" aria-hidden=\"true\"><use href=\"#i-flask\"><\/use><\/svg>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e07dbf elementor-widget elementor-widget-heading\" data-id=\"1e07dbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">02<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b9112b3 e-con-full e-flex e-con e-child\" data-id=\"b9112b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-963d7d6 elementor-widget elementor-widget-heading\" data-id=\"963d7d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Develop the standard\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79b607b elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"79b607b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"aaf-step\"><div><p>ASL reviews the scientific literature and clinical studies, then develops a strict standard with the criteria any product in that category must be tested against.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-81a57cf e-con-full e-flex e-con e-child\" data-id=\"81a57cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-6b5ede4 e-con-full e-flex e-con e-child\" data-id=\"6b5ede4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-64f8125 e-con-full e-flex e-con e-child\" data-id=\"64f8125\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a63860f elementor-widget elementor-widget-html\" data-id=\"a63860f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<svg class=\"product_icon aaf-icon aaf-icon--26 aaf-ico-purple\" aria-hidden=\"true\"><use href=\"#i-clipboard-check\"><\/use><\/svg>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74bdfa0 elementor-widget elementor-widget-heading\" data-id=\"74bdfa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">03<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3486dd9 e-con-full e-flex e-con e-child\" data-id=\"3486dd9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c46b237 elementor-widget elementor-widget-heading\" data-id=\"c46b237\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Expert review\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4919c06 elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"4919c06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"aaf-step\"><div><p>AAFA\u2019s independent Medical Scientific Council reviews the proposed standard, and the boards of AAFA and ASL approve it before it is published.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9892489 e-con-full e-flex e-con e-child\" data-id=\"9892489\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-1be0f47 e-con-full e-flex e-con e-child\" data-id=\"1be0f47\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c1dbc84 e-con-full e-flex e-con e-child\" data-id=\"c1dbc84\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b06abe elementor-widget elementor-widget-html\" data-id=\"6b06abe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<svg class=\"product_icon aaf-icon aaf-icon--26 aaf-ico-gold\" aria-hidden=\"true\"><use href=\"#i-test-tubes\"><\/use><\/svg>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b26dc7 elementor-widget elementor-widget-heading\" data-id=\"8b26dc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">04<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c321f9 e-con-full e-flex e-con e-child\" data-id=\"1c321f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce161b0 elementor-widget elementor-widget-heading\" data-id=\"ce161b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Independent testing\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47bd36a elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"47bd36a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"aaf-step\"><div><p>Companies send their products to independent, accredited laboratories. ASL manages the testing process to ensure the strict protocol is followed exactly.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ede1ee6 e-con-full e-flex e-con e-child\" data-id=\"ede1ee6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-86792ab e-con-full e-flex e-con e-child\" data-id=\"86792ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-56f000b e-con-full e-flex e-con e-child\" data-id=\"56f000b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33d026e elementor-widget elementor-widget-html\" data-id=\"33d026e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<svg class=\"product_icon aaf-icon aaf-icon--26 aaf-ico-green\" aria-hidden=\"true\"><use href=\"#i-badge-check\"><\/use><\/svg>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-223c51a elementor-widget elementor-widget-heading\" data-id=\"223c51a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">05<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3df0d04 e-con-full e-flex e-con e-child\" data-id=\"3df0d04\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c601bd8 elementor-widget elementor-widget-heading\" data-id=\"c601bd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Earn the mark\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1f94a5 elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"d1f94a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"aaf-stack aaf-stack-16\"><div class=\"aaf-step\"><div><p>Products must pass every required test to qualify. Each certified product receives a certificate and a unique certification code, and is re-tested to stay listed.<\/p><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-41f6f9c e-con-full e-flex e-con e-child\" data-id=\"41f6f9c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-870b48a e-con-full e-flex e-con e-child\" data-id=\"870b48a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b891ac4 elementor-widget elementor-widget-heading\" data-id=\"b891ac4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">46<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f46744c elementor-widget elementor-widget-heading\" data-id=\"f46744c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">standards in the program<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66860dd elementor-widget__width-initial text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"66860dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Covering appliances, bedding products, air filters, building products, and services that can have an impact on the indoor air environment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-55128b2 e-con-full e-flex e-con e-child\" data-id=\"55128b2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b628ae6 elementor-widget elementor-widget-button\" data-id=\"b628ae6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Appliances<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7b36c6 elementor-widget elementor-widget-button\" data-id=\"f7b36c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Bedding products<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b306833 elementor-widget elementor-widget-button\" data-id=\"b306833\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Air filters<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a12efb2 elementor-widget elementor-widget-button\" data-id=\"a12efb2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Building products<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3714639 elementor-widget elementor-widget-button\" data-id=\"3714639\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Services<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c035a2 Find-certified-products elementor-widget elementor-widget-button\" data-id=\"2c035a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/asthmaandallergyfriendly.com\/USA\/resources\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-right\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M190.5 66.9l22.2-22.2c9.4-9.4 24.6-9.4 33.9 0L441 239c9.4 9.4 9.4 24.6 0 33.9L246.6 467.3c-9.4 9.4-24.6 9.4-33.9 0l-22.2-22.2c-9.5-9.5-9.3-25 .4-34.3L311.4 296H24c-13.3 0-24-10.7-24-24v-32c0-13.3 10.7-24 24-24h287.4L190.9 101.2c-9.8-9.3-10-24.8-.4-34.3z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Explore the standards library<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-54fd689 e-con-full e-flex e-con e-child\" data-id=\"54fd689\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f47d550 e-con-full e-flex e-con e-child\" data-id=\"f47d550\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d7a281d elementor-widget elementor-widget-html\" data-id=\"d7a281d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<svg class=\"aaf-icon aaf-icon--28 aaf-ico-gold\" aria-hidden=\"true\"><use href=\"#i-lightbulb\"><\/use><\/svg>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6a4e825 e-con-full e-flex e-con e-child\" data-id=\"6a4e825\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52b4459 elementor-widget elementor-widget-heading\" data-id=\"52b4459\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Did You Know?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8805c2a text-wrap-pretty elementor-widget elementor-widget-text-editor\" data-id=\"8805c2a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"aaf-callout\">\n<div>\n\nThe 2020 Asthma Management Guidelines recommend several steps, not just one, to reduce indoor triggers. Using certified products alongside a healthier-home routine helps reduce asthma and allergy triggers where you live.\n\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a60c42e e-con-full e-flex e-con e-child\" data-id=\"a60c42e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5f0fb3 Find-certified-products elementor-widget elementor-widget-button\" data-id=\"e5f0fb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/asthmaandallergyfriendly.com\/USA\/certified-products\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-right\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M190.5 66.9l22.2-22.2c9.4-9.4 24.6-9.4 33.9 0L441 239c9.4 9.4 9.4 24.6 0 33.9L246.6 467.3c-9.4 9.4-24.6 9.4-33.9 0l-22.2-22.2c-9.5-9.5-9.3-25 .4-34.3L311.4 296H24c-13.3 0-24-10.7-24-24v-32c0-13.3 10.7-24 24-24h287.4L190.9 101.2c-9.8-9.3-10-24.8-.4-34.3z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Explore certified products <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The science Rigorous, science-led and independently tested. The <strong>Asthma &amp; Allergy Friendly\u00ae<\/strong> Certification Program is built on peer-reviewed scientific standards developed by Allergy Standards Limited and reviewed by AAFA\u2019s Medical Scientific Council, not on marketing claims. Indoor air quality Most of the air you breathe is indoor air. On average, people spend up to 90% [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-403826","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>The science Asthma &amp; Allergy Friendly\u00ae Certification Program<\/title>\n<meta name=\"description\" content=\"How the program works: peer-reviewed scientific standards developed by Allergy Standards Limited, reviewed by AAFA\u2019s Medical Scientific Council, and tested in independent laboratories.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/asthmaandallergyfriendly.com\/USA\/the-science\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Science\" \/>\n<meta property=\"og:description\" content=\"How the program works: peer-reviewed scientific standards developed by Allergy Standards Limited, reviewed by AAFA\u2019s Medical Scientific Council, and tested in independent laboratories.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/asthmaandallergyfriendly.com\/USA\/the-science\/\" \/>\n<meta property=\"og:site_name\" content=\"Asthma &amp; 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