Furnace air filters: all the things it’s essential to know

Furnace air filters: all the things it’s essential to know


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Furnace air filters are a important part of your heating system. It is best to substitute yours a minimum of as soon as each three months.

On this piece, we’ll assist you choose the very best furnace filter in your wants, clarify the way to change yours, and describe how furnace filters work.

What are furnace air filters?

Furnace air filters normally encompass a cardboard body, a fiberglass filter, and steel mesh. The body and mesh exist to strengthen the filter.

Furnace filters enhance air high quality in your house and defend your HVAC parts from mud and particles. And not using a filter, your HVAC tools would develop into soiled, negatively affecting its efficiency (and sure growing your utility payments).

The filter catches and traps contaminants as air passes by way of your heating system. In case you don’t substitute or clear your filter repeatedly, it may limit airflow and injury your HVAC tools.

How usually must you substitute your furnace air filters?

Typically, it is best to change your furnace filters each three months. Nevertheless, there are some conditions when it’s possible you’ll wish to change your filter kind of usually.

Change your filter MORE usually if:

  • You will have a number of pets
  • You or your loved ones members have respiratory challenges
  • You reside in an space with excessive air pollution
  • You’ve lately transformed or accomplished development in your house

Change your filter LESS usually if:

  • The house is a trip property that’s not all the time inhabited
  • Your furnace takes super-thick filters (3+ inches)

How do you substitute furnace air filters?

Furnace air filter alternative is a job you’ll be able to DIY. Watch our air filter alternative video or comply with the directions beneath.  

1. Discover the filter compartment. It’s normally between the return air duct and the furnace.

2. Open the filter compartment door.

3. Slide out the used filter and eliminate it.

4. Unwrap your new furnace filter and slide it into the filter compartment. Place it utilizing the printed arrows on the body as a information.

5. Exchange the filter compartment door.

Need assistance altering your filter? Ebook an appointment with an HVAC professional.

Sorts of furnace air filters

There are a lot of variables to think about when selecting your furnace air filter alternative. Our article on the very best air filters in your way of life will help you select the perfect one in your wants.

When buying furnace filters, you’ll see the next attributes on the packaging:

📏 DimensionFurnace air filters are available in quite a lot of sizes. Ensure you buy one which matches the scale of your present filter. You possibly can be taught extra in our useful information on widespread air filter sizes. 
💨 MERV rankingA furnace filter’s MERV ranking signifies the granularity of particles it may entice. We suggest a filter with a MERV ranking of 8 or above. Nevertheless, it is best to all the time test your consumer’s handbook for the producer’s steered MERV. Too excessive a MERV can limit airflow. Too low a MERV can go away your system weak to mud and dust. 
🧵 MaterialsWe expect pleated electrostatic filters are the very best. In comparison with artificial fibers, electrostatic supplies assist appeal to extra dangerous particles and are extra sturdy. Pleated filters are more practical as a result of they’ve a bigger floor space to seize mud and particles.

At all times select the highest quality filter you’ll be able to afford. Furnace air filter alternative is a simple option to lengthen the life and enhance the operate of your HVAC system.

Searching for heating and cooling assist? Ebook an appointment now.

Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MOE heating & cooling services Ontario's solution for heating, air conditioning, and ventilation that’s cooler than the rest.
Contact us to schedule a visit. Our qualified team of technicians, are always ready to help you and guide you for heating and cooling issues. Weather you want to replace an old furnace or install a brand new air conditioner, we are here to help you. Our main office is at Kitchener but we can service most of Ontario's cities


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