<div class='ui dimmer modals page' style='display: none;'><div id='helpie-password-modal' class='pauple_helpie ui modal small' style='display: none;'><div class='ui header'><i class='circular lock icon'></i> Password Protected</div><div class='item-content'><br /><label for='password_check'>Enter Password : </label><p><input type='password' id='password_check' name='password_check' class='password' value='' required></p></div><div class='actions'><div class='ui black deny button'>Nope</div><div class='ui positive right labeled icon button'>Yep, that's right!<i class='checkmark icon'></i></div></div><div class='clear'></div></div></div>{"id":5364,"date":"2021-02-07T11:09:38","date_gmt":"2021-02-07T03:09:38","guid":{"rendered":"https:\/\/smartairfilters.com\/learn\/?post_type=pauple_helpie&#038;p=5364"},"modified":"2021-02-07T11:11:35","modified_gmt":"2021-02-07T03:11:35","slug":"how-do-i-calculate-my-air-purifiers-air-changes-per-hour-or-equivalent-air-changes-per-hour","status":"publish","type":"pauple_helpie","link":"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/how-do-i-calculate-my-air-purifiers-air-changes-per-hour-or-equivalent-air-changes-per-hour\/","title":{"rendered":"How Do I Calculate My Air Purifier\u2019s Air Changes per Hour Or Equivalent Air Changes per Hour?"},"content":{"rendered":"<div class='breadcrumbs pauple_helpie_breadcrumbs'><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/'>Knowledge Base<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/cat\/protecting-yourself\/'>Protecting Yourself<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/cat\/air-purifiers\/'>Air Purifiers<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/how-do-i-calculate-my-air-purifiers-air-changes-per-hour-or-equivalent-air-changes-per-hour\/'>How Do I Calculate My Air Purifier\u2019s Air Changes per Hour Or Equivalent Air Changes per Hour?<\/a> <\/div><p><span>An air purifier\u2019s e-ACH can be calculated by multiplying the air purifier\u2019s CADR (make sure it is in CFM\/cubic feet per minute) and multiplying by 60.\u00a0 This will get you the air purifier\u2019s air changes per hour.\u00a0 Then, divide this number by the volume of your room (measured in feet cubed). <\/span><\/p>\n<p><span>Learn More about: <\/span><span><a href=\"https:\/\/smartairfilters.com\/en\/blog\/what-is-air-changes-per-hour-ach-how-to-calculate\/\">How to calculate an air purifier\u2019s ACH or e-ACH \u00bb <\/a><\/span><\/p>\n<p><span>Learn More about: <a href=\"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/what-is-the-difference-between-ach-and-e-ach\/\">What is the difference between air changes per hour (ACH) and equivalent air changes per hour (e-ACH) \u00bb\u00a0<\/a><\/span><\/p>\n<div class='pauple-helpie-module article-voting'><span class='label'>Was this article useful?<\/span><span data-post-id='5364' data-user-id='0' class='icon-tray'><span  data-vote='thumbs up outline' class=' voting-icon thumbs up outline '><i data-content='thumbs up outline' class='thumbs up outline outline icon' aria-hidden='true'><\/i><count>0<\/count><\/span><span  data-vote='thumbs down outline' class=' voting-icon thumbs down outline '><i data-content='thumbs down outline' class='thumbs down outline outline icon' aria-hidden='true'><\/i><count>0<\/count><\/span><\/span><\/div><div style='clear:both;'><\/div>","protected":false},"excerpt":{"rendered":"<p>Knowledge Base &nbsp;&nbsp; &nbsp;&nbsp;Protecting Yourself &nbsp;&nbsp; &nbsp;&nbsp;Air Purifiers &nbsp;&nbsp; &nbsp;&nbsp;How Do I Calculate My Air Purifier\u2019s Air Changes per Hour Or Equivalent Air Changes per Hour? An air purifier\u2019s e-ACH can be calculated by multiplying the air purifier\u2019s CADR (make sure it is in CFM\/cubic feet per minute) and multiplying &#8230; <a title=\"How Do I Calculate My Air Purifier\u2019s Air Changes per Hour Or Equivalent Air Changes per Hour?\" class=\"read-more\" href=\"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/how-do-i-calculate-my-air-purifiers-air-changes-per-hour-or-equivalent-air-changes-per-hour\/\" aria-label=\"Read more about How Do I Calculate My Air Purifier\u2019s Air Changes per Hour Or Equivalent Air Changes per Hour?\">Read more<\/a><\/p>\n","protected":false},"author":7807,"featured_media":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"helpdesk_category":[673,613],"helpie_tag":[1287,1284,266,236,1292,1293],"helpie_add_tag":[],"helpie_up_tag":[],"class_list":["post-5364","pauple_helpie","type-pauple_helpie","status-publish","format-standard","hentry","helpdesk_category-air-purifiers","helpdesk_category-protecting-yourself","helpie_tag-ach","helpie_tag-air-change","helpie_tag-air-purifier","helpie_tag-difference","helpie_tag-e-ach","helpie_tag-equivalent-air-change"],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/5364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie"}],"about":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/types\/pauple_helpie"}],"author":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/users\/7807"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/comments?post=5364"}],"version-history":[{"count":1,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/5364\/revisions"}],"predecessor-version":[{"id":5365,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/5364\/revisions\/5365"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/media?parent=5364"}],"wp:term":[{"taxonomy":"helpdesk_category","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpdesk_category?post=5364"},{"taxonomy":"helpie_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_tag?post=5364"},{"taxonomy":"helpie_add_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_add_tag?post=5364"},{"taxonomy":"helpie_up_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_up_tag?post=5364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}