Changing Ac Filter In Attic

The merv rating also indicates the percentage of particles the filter will remove from the air passing through it.

Changing ac filter in attic.

This is important for two reasons. 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. A filter with a rating of 8 will trap 70 to 85 percent of air born particles it encounters. How to change the ac filter.

Many people do not realize that indoor air receives little opportunity for ventilation allowing airborne pathogens and particles to fester. Pleated air filters are usually made of higher quality materials and can last anywhere from three to six months depending on the material. Fiberglass filters are a lower cost option but they need to be disposed of and replaced roughly every 30 days. This is a grille located on the ceiling or wall where air enters your hvac system.

Sometimes when you pull out the filter it s painfully obvious whether it s time to clean or replace. Turn off the power. First there s your safety. If caked on dirt and dust are falling off the surface it s probably restricting air flow and you ll want to take action.

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. 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. 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. If there s any chance coronavirus particles might be present within your space they could end up trapped in your ac filter.

And a rating of 11 or higher means that the air passing through the filter is. So when changing the filter wear a mask and gloves.