The filter usually fits in a slot on the air return side of the unit. These systems are usually found in smaller basements or crawl spaces where space is limited. The filter typically slides into a slot above or below the HVAC unit.
Is there a filter on the actual AC unit?
All central heating and cooling systems should have an air filter, but the filter can be harder to locate on some HVAC units than others. The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler.
How do you check an air conditioner filter?
You can tell if you need to clean or replace the air filter by removing it from its chamber and holding it up to the light. If light can easily pass through the filter and it’s semi-transparent, leave it in. If it’s hard for light to pass through and it’s visibly dirty, change the filter.
How many filters does an AC unit have?
Depending on the size of your home, you may have more or fewer intake vents, but for most dwellings, the central air system is served by 2 air filter -covered intake vents. Let’s dig a little deeper into why you might find 2 air filters in your home’s HVAC system.
What happens if you use AC without filter?
Without a filter, the condensation drain will fail to drain the moisture from your AC unit. This will result in condensation accumulation on the Freon tubing. The condensation will then start dripping down the pan, causing water damage to the whole system.
How often should you change your AC filter?
You should replace these about every 90 days, if you have no allergies, but AC pros typically recommend every 45 days for max efficiency. Be sure to replace them with the right size and type of air filter. If your AC was working properly, you could remove the filter and buy one that is identical to it.
How do I know if my AC filter is dirty?
One clever way to determine if the air filter is dirty is to do the “white sheet test.” This involves hanging a clean white sheet approximately 5 inches away from one of the vents for at least one hour. If the sheet turns gray, you’ve got a filthy air filter. The grayer the sheet, the dirtier the filter.
How do I find my air filter?
Where Are My Air Filter Located?
- Look Up. If you see a large vent on your ceiling, looking behind it will likely unveil your air filter.
- Look Down. Homes with ductwork in the crawlspace or basement often have a floor register which houses the air filter.
- Look Side to Side.
- Look… Everywhere.
Do I need to turn off AC to change filter?
To Change Your Home Air Filter, You’ll Need To Turn Off Your Furnace. To prevent the HVAC unit from turning on while you are changing the filter, make sure you turn the thermostat to the “off” position. This will help protect your HVAC system from loose debris or maybe a loose filter fitting escaping into the duct.
Do air conditioners have filters that need to be changed?
AC filter should be replaced at least twice a year in between major seasons. However, if homeowners regularly use their furnace and air conditioner, the AC filter need to be replaced more often. Typically, homeowners do well to replace the AC filter every three months.