Ductless Heating and Cooling Systems. Indoor Air Quality.

The main function of the air conditioner filter is to clean the air. This will keep debris, mold, dust and allergens can enter your home and cause health problems. After some time, the filters tend to accumulate waste, and thus the system is inefficient.

Mini Split Heating and Cooling Systems. Clean Air Filter.

You should replace, or clean if reusable. First you need to know where you installed the air conditioning filter. Most often be found in the air handler behind an access panel. Find the access panel and take it with you to handle the air filter. You need to be careful because you will have little room to manipulate the air filter. Try removing the filter and examine it.

Mini Split Heat Pump System. 

Sometimes the air is so complicated that you can not find the air filter. The manufacturer may not be placed in the return line of the unit. To find it, inspect sheet metal panels in the duct and see if the filter slides in a track.

Split HVAC System. Replace or Reuse?

Back to put a new air filter need to follow these steps backward. If you have reusable air filters, simply remove and wash with warm water and soap. Let dry completely and then reinstall them.