{"id":8291,"date":"2026-03-25T16:43:17","date_gmt":"2026-03-25T08:43:17","guid":{"rendered":"https:\/\/www.hepafil.com\/?p=8291"},"modified":"2026-03-24T16:47:36","modified_gmt":"2026-03-24T08:47:36","slug":"how-to-change-my-furnace-filter","status":"publish","type":"post","link":"https:\/\/www.hepafil.com\/es\/how-to-change-my-furnace-filter\/","title":{"rendered":"How to Change My Furnace Filter?"},"content":{"rendered":"

If you\u2019ve never swapped out a furnace filter before, it\u2019s really not as tricky as it might seem. I\u2019ve walked plenty of people through this simple job, and it only takes a few minutes \u2014 you won\u2019t need any tools whatsoever.<\/p>\n

Start by turning your furnace off at the thermostat. Just set it to OFF so the fan doesn\u2019t start up while you\u2019re handling the filter. This keeps dust from getting blown around your whole house.<\/p>\n

Now find where the filter is located. Most furnaces have it in a sliding tray right on the unit. Other times it\u2019s behind a large return vent on the wall or ceiling, usually under a small plastic or metal cover that pops right open.<\/p>\n

\"Furnace<\/p>\n

Carefully pull out the old filter. It\u2019ll be dusty, likely dark and clogged \u2014 that\u2019s just how it looks after catching all that debris. Before you throw it away, note the size printed on the side.A 14\u00d725\u00d71 filter is a really common size, but you still have to use whatever size your furnace is designed for. If it\u2019s even a little off, it won\u2019t sit tight and air will leak around it.<\/p>\n

Don\u2019t forget the little arrow on the filter either. That arrow shows which way the air runs in your system, so just point it toward the furnace, not into your house.<\/p>\n

Take the new filter out of its wrapper, line up that arrow the right way, and slide it in nice and easy. Don\u2019t cram it or bend it \u2014 just set it in straight so it fits tight and stays in place.<\/p>\n

Put the cover back on if you had one, then turn the thermostat back to HEAT or AUTO. That\u2019s it \u2014 you\u2019re finished.<\/p>\n

If you want better air quality and less dust in your home, go with a best furnace filter that fits your system. It helps the furnace run more efficiently too, which can save you a little on energy bills.<\/p>\n

\"Furnace<\/p>\n

FAQ<\/p>\n

How often should I change my furnace filter?<\/p>\n

Every 1\u20133 months in a normal home. If you have pets or kids, or someone with allergies, I always recommend changing it monthly.<\/p>\n

Do I have to use a 14 x 25 x 1 furnace filter?<\/p>\n

Only if that\u2019s the size on your old filter. Using the wrong size just lets unfiltered air pass through.<\/p>\n

What if I put the furnace filter in backward?<\/p>\n

It blocks airflow and makes your furnace work too hard. Just follow the arrow and you won\u2019t have that problem.<\/p>\n

What makes the best furnace filter?<\/p>\n

One that traps dust and pollen without slowing down air too much. You don\u2019t need the fanciest one \u2014 just one that fits well.<\/p>\n

Can I run my furnace without a furnace air filter?<\/p>\n

Definitely not. Dust will build up inside the furnace and can break parts, which gets expensive fast.<\/p>","protected":false},"excerpt":{"rendered":"

If you\u2019ve never swapped out a furnace filter before, it\u2019s really not as tricky as it might seem. I\u2019ve walked plenty of people through this simple job, and it only takes a few minutes \u2014 you won\u2019t need any tools whatsoever. Start by turning your furnace off at the thermostat. Just set it to OFF […]<\/p>","protected":false},"author":2,"featured_media":8292,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-8291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/posts\/8291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/comments?post=8291"}],"version-history":[{"count":1,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/posts\/8291\/revisions"}],"predecessor-version":[{"id":8295,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/posts\/8291\/revisions\/8295"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/media\/8292"}],"wp:attachment":[{"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/media?parent=8291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/categories?post=8291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hepafil.com\/es\/wp-json\/wp\/v2\/tags?post=8291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}