How To Install Hvac Filter

Changing the air filter on your HVAC system is probably one of the best things you can practise to keep your arrangement running efficiently and assist amend the air quality in your dwelling house.

How Your HVAC Filter Works

As the furnace or air-conditioning arrangement moves air throughout your business firm, the organization's air filter catches dust and other particles. When the filter becomes chock-full, this can block airflow and make your system work harder than it needs to, using more than energy. A muddy filter isn't skilful for your home's air quality either, equally information technology lets contaminates and allergens build up in your habitation.

Where is Your Filter Located?

Your air filter is usually located in ane of these two locations:

On the blower compartment of your furnace or air conditioner, in an attached filter case.

Furnace or AC blower compartment

Backside a ceiling- or wall-mounted return air grille.

AC with wall-mounted air grille

What Size Filter?

If yous're not sure what size and type of air filter your organisation requires, you'll demand to remove the electric current filter to check the dimensions.

Of import: Every bit you remove the filter, accept notation of the management of the arrows on the filter's edge. This will be important when you install the new filter.

Note direction to install new air filter

Later on you remove the filter, meet if the dimensions are written on the edge (length ten width x height).

If the dimensions of the filter are non on the filter frame or border, you'll need to take hold of a tape measure out. After you get the measurements, you lot'll need to round the numbers up a little. For example, a filter that measures xix.5 x 13.5 x .75 means you demand a xx x 14 x ane filter (in inches). Ideally, if you withal have the HVAC system's transmission, you'll observe the filter dimensions listed there.

How to Replace the Filter

Utilize your thermostat to plough off your air conditioner or heater.
If you haven't already removed the old air filter, remember to note the direction of the arrows on the filter's edge as you take the quondam filter out.
Insert the new filter with the arrows facing in the same direction as the former filter. The arrows should bespeak in the direction the air is flowing. For a ceiling-mounted filter, the arrows should confront. For a filter next to your blower, the arrows should typically point towards the blower.

How Often to Change Your Filter

Most standard one-inch air filters have a 3-calendar month life, merely when to change your filter depends on these factors:

How often do you lot run your HVAC system? If you alive somewhere hot and boiling and run your system all day every day, you may demand to change your filter once per month.
Do you have pets, smoke, or accept allergies? Your filter should probably be changed more oftentimes than every three months, which is the typical manufacturer recommendation.

HVAC Filter Tips

Write the date on the border of the filter and so you lot can meet when it was last inverse.
Sign upward for a service that ships y'all filters at 1, two, or 3 month intervals.
For heavy-utilise months, a good reminder is to change your air filter the day your new utility bill arrives.