What happens if you put home air filter in backwards?

By installing your filter backwards, air will have a harder time flowing through the filter and your air handler will have to work harder to make up for the loss of airflow. This could lead to higher utility bills and possibly damage your furnace or air conditioner.

How do I know what air filter to buy for my home?

Simply, you need the filter size that fits in your air return. You can typically find that size on the side of the air filter that you already have in use. This size will be the nominal size, which means it is rounded from its actual size. This is the size you click on at secondnature.com.

Which way is the air filter supposed to face?

On the new filter, find the arrow indicating the proper airflow direction. The arrow must face toward the furnace and away from the return duct that pulls the air in need of heating or cooling. It’s smart to draw the airflow direction arrow with a permanent marker on the furnace or ductwork.

What MERV rating is best for home use?

between 8-10
In general, the best MERV rating for a home is somewhere between 8-10. These filters will capture a large portion of the airborne particles and improve indoor air quality without making your energy costs rise significantly.

Do all houses have air filters?

Larger houses often have more than one HVAC system. Each system will typically have at least one air filter. Therefore, your home may have air filters located at the air handler AND in the returns. You should check each possible location to make sure you have found all of your air filters.

How do I find my air filter size?

The easiest way to identify your AC filter size is to remove the existing filter from its slot and examine the frame of the filter. Usually, the filter size is printed along the edge of the filter’s frame.

How do you measure air filter size?

Step 1 – Measuring Length and Width (L x W). (If your filter is not a square, the smallest measurement goes first). Step 2 – Measure the thickness (Depth) of your filter from front to back. Step 3 – Put Your measurements together (L x W x D).

Why choose 20x24x1 air filters?

The airflow coming into your home can be full of harmful irritants that cause breathing problems and general discomfort for those inside. 20x24x1 air filters match your systems filtration needs and fit into matching systems with ease.

What is the actual size of the air filter?

20x24x1 Air Filter Description Actual Size: 19 3/8″ x 23 3/8″ x 3/4″ Model: AFB20x24x1M8 Available In MERV Rating: 8, 11, 13, Odor Eliminator

What are the best HVAC filters for your home?

The best filters for your home have a balanced ranking that allows for loose enough mesh to allow airflow to easily travel through. Filter King 20x24x1 filters rank as an 8 on the MERV scale, meaning that they are able to block out basic irritants along with smaller ones like: