When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
Lennox 13ACX-030 Air Filter
It is highly recommended that the air filter is exchanged for a new one every 90 days or so due to the filter clogging up and restricting the flow of air in the home. All air filters come in many styles and sizings, in which the one you choose will depend on your choice for how clean you want the air and air handler size requirements. The actual dimensions of the HVAC air filter choice of options due to the constraint of the availability of room of your furnace or handler.
Key symptoms of a barely functioning air filter
- It is greatly advised to replace your air filter every season of the year to help clean the indoor air
- When you hold the filter up to the light, it will barely show on the other side a dirty filter
- The system filter looks brown and it would be a good idea to replace it right now
This site contains affiliate links for which I may be compensated
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated