Changing Ac Filter In Attic

This is a grille located on the ceiling or wall where air enters your hvac system.

Changing ac filter in attic. Location of the air conditioner filter on a carrier air conditioner. In general a merv rating of 6 indicates that the filter will capture up to half of the particles in the air. Many people do not realize that indoor air receives little opportunity for ventilation allowing airborne pathogens and particles to fester. If caked on dirt and dust are falling off the surface it s probably restricting air flow and you ll want to take action.

First there s your safety. The air filter in your central air system is a vital part of air conditioning and the first step to cleaning the air inside of your home. A filter with a rating of 8 will trap 70 to 85 percent of air born particles it encounters. Return vent with grate in place on the left and open return vent without the grate where you can see the filter and ductwork on the right.

And a rating of 11 or higher means that the air passing through the filter is. How to change the ac filter. Fiberglass filters are a lower cost option but they need to be disposed of and replaced roughly every 30 days. Sometimes when you pull out the filter it s painfully obvious whether it s time to clean or replace.

Pleated air filters are usually made of higher quality materials and can last anywhere from three to six months depending on the material. The merv rating also indicates the percentage of particles the filter will remove from the air passing through it. Why changing your hvac filter is important air filters are only meant to last for a set amount of time or shorter but more on that later so you need to be taking note of that date when you. The frequency at which your air filter should be changed depends on a variety of factors including the type of filter in your hvac unit.

This is important for two reasons. Turn off the power.