Your HVAC filter catches much of the dirt, dust, pet dander, and tiny particles that circulate through your heating and cooling unit. This way, the unit can pump clean, contaminant- and allergen-free air throughout the home. The air filter needs to be changed regularly to ensure healthy air and to prevent system issues that will require service from an HVAC technician. Here’s more about when and how often to change your HVAC filter.

How Often to Change the Air Filter

HVAC technicians generally recommend changing air filters every 90 days, but much depends on your household. If someone in the home has allergies or asthma or you have young children who are sensitive to air quality, change the filter more often, preferably every 30 days.

Pets shed a considerable amount of dander into the air, which can lead to more frequent filter clogs, so a change every two months is a good rule of thumb. An HVAC technician can change your air filter for you, or, if you're comfortable with heating and cooling units, find the air filter where the return duct enters the air handler.

Signs You Need to Change the Air Filter

When a filter needs changing, the HVAC system has to work harder to circulate air. As a result, you'll often see an increase in your energy bill.

Another sign of a clogged filter is a wheezing sound whenever the unit is running. The wheezing comes from air trying to pass through the tighter, clogged spaces in the filter and from the blower motor drawing air through small gaps in the HVAC cabinet.

Also, look out for stale odors. If a filter hasn't been changed in a while, the debris buildup can take on a musty smell and then push that odor throughout your ducts and out of your vents.

Don't let a dirty filter compromise the dependability of your HVAC system. When issues arise or you need assistance changing the filter, contact the HVAC technicians at Fayette Heating & Air Conditioning in Uniontown, PA. They offer air conditioner and furnace repair, installation, and service, as well as geothermal heating solutions and duct cleaning. Call (724) 439-2323 to request an estimate or visit their website to learn more about their work.