{"id":37,"date":"2026-08-05T12:18:43","date_gmt":"2026-08-05T12:18:43","guid":{"rendered":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/2026\/08\/05\/merv-ratings-without-the-marketing\/"},"modified":"2026-08-05T12:18:43","modified_gmt":"2026-08-05T12:18:43","slug":"merv-ratings-without-the-marketing","status":"publish","type":"post","link":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/2026\/08\/05\/merv-ratings-without-the-marketing\/","title":{"rendered":"MERV ratings without the marketing"},"content":{"rendered":"<p class=\"wp-block-paragraph\">MERV measures how much of the small stuff a filter captures. Higher numbers capture more \u2014 and restrict more airflow, which is where the trouble starts.<\/p>\n<h2 class=\"wp-block-heading\">The slot matters more than the number<\/h2>\n<p class=\"wp-block-paragraph\">Air takes the easiest path. If the filter slot leaks around the edges \u2014 and most do \u2014 a large share of your return air bypasses the filter entirely, whatever it is rated. Sealing the slot usually does more than upgrading the filter.<\/p>\n<p class=\"wp-block-paragraph\">For most residential systems MERV 11 to 13 is the sensible ceiling, fitted in a slot that actually seals, and changed on a schedule you will keep.<\/p>","protected":false},"excerpt":{"rendered":"<p>A higher number is not automatically better. What matters is what your fan can pull through, and whether the slot seals.<\/p>\n","protected":false},"author":1,"featured_media":38,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[17,18],"class_list":["post-37","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-quality","tag-air-quality","tag-filters"],"_links":{"self":[{"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/posts\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/comments?post=37"}],"version-history":[{"count":0,"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/posts\/37\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/media\/38"}],"wp:attachment":[{"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/media?parent=37"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/categories?post=37"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scintillawpthemes.com\/demo\/swp-hvac-pro\/wp-json\/wp\/v2\/tags?post=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}