What filter is best for furnace?

What type of filter is best for a furnace?

The 9 Best Furnace Filters of 2021

  • Best Overall: Filtrete Allergen Defense at Amazon. …
  • Best Pleated: Honeywell Elite Allergen Air Filter at Home Depot. …
  • Best Disposable: Filtrete Basic Dust and Lint Air Filter at Amazon. …
  • Best for Allergies: …
  • Best Permanent: …
  • Best for Odors: …
  • Best Long Life: …
  • Best Budget:

Are high MERV filters bad for furnace?

Wrong. While the highest MERV ratings are the most effective for air quality, they can harm your HVAC system. A higher MERV rating means a higher resistance, which means less airflow. … If the MERV rating on your furnace is too high, it may force your furnace to work too hard and leave it vulnerable to damages.

Is a thicker furnace filter better?

The Thicker, the Better

Furnace filters can range anywhere from 1″to 5″ in thickness. In general, the thicker the furnace filter is the more efficiently your unit work and the longer it will last.

Is a thicker air filter better?

Most air filters are 1 inch thick, but some systems can accommodate filters 2 to 5 inches thick. In our tests, we found that the thicker the filter, the better it works and the longer the replacement intervals. That means it’s better for you and for your heating, ventilating, and air conditioning (HVAC) system.

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Do more expensive air filters make a difference?

Expensive air filters give you more surface area to filter particulate matter. … All dimensions being equal, a filter with a higher MERV rating and more pleats per inch will have the same or better air flow than the same filter with a lower MERV rating and fewer pleats.

Can I use a MERV 12 filter in my furnace?

The short answer is this: The best MERV rating for your heating and air conditioning equipment is the MERV recommended by the manufacturer. It’s usually in the range of 8-12 MERV. … When in doubt, choose a MERV 8 to MERV 10 filter rated for high airflow, so it won’t damage your furnace or air handler.

What MERV rating is best for home use?

According to the ASHRAE, the best rating for residential HVAC systems is MERV 13. But before you upgrade your filter, make sure your specific system can accommodate that rating. A higher MERV rating often means lower airflow, which can cause the system to work harder—use more energy—to do its job.

What MERV rating can my furnace handle?

The ideal MERV filters for both air filtering and furnace efficiency are 7-13, experts say. These filters can be used without any modifications to your equipment. Your system may handle MERV 14-16 with no discernable stress.

Does furnace filter brand matter?

As long as you purchase the same SIZE of filter, it doesn’t matter what BRAND you use.