Do MERV 13 filters reduce air flow?

MERV 13 air filters are the highest-rated air filters for home use. Any air filter with a rating higher than 13 will restrict air flow to the point of which could cause damage to your HVAC system, resulting in an added expense to fix it.

Are higher MERV filters restrict airflow?

MERV is short for “Minimum Efficiency Reporting Value”. … A higher MERV rating means a higher resistance, which means less airflow. When researching HVAC systems, airflow will come up a lot.

Does air filters restrict airflow?

When an air filter is too efficient, it can cause low airflow. … However, they can work so well sometimes that they cause your HVAC system to be less efficient because they block too much airflow. This leads to higher energy bills and could damage your furnace if it overheats.

What MERV rating is best for air flow?

If your unit is older and/or very sensitive with airflow, use a filter that ranks from MERV 1 up to possibly MERV 6. If you want your air to at least be cleaned and handle dust, mold, pollen, and bacteria, then a MERV 8 will do the job.

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Do expensive air filters restrict airflow?

Does Increased MERV Decrease Air Flow? While those high MERV filters are great at filtering debris and cleaning the air in your home, they reduce the air pressure in your duct system. This could potentially raise your energy bills and take a toll on your furnace or air conditioning unit.

Do MERV 13 filters help with Covid?

Minimum Efficiency Reporting Values, or MERV, reports a filter’s ability to capture particles. Filters with MERV-13 or higher ratings can trap smaller particles, including viruses. … By itself, using an upgraded HVAC filter is not enough to protect people from COVID-19.

Is MERV 13 too high for residential?

One factor to consider is air flow through the system. … In some cases, using an air filter that is too restrictive for your system may cause low air flow problems as well. MERV 13 is the highest MERV value safe for residential furnaces; the higher ratings are used primarily in commercial units.

Does MERV 11 restrict air flow?

A MERV 11 air filter has a higher efficiency rating. … Air filters with higher MERV ratings can filter more, but the thickness of the filter material can restrict airflow. Restricted airflow can decrease comfort, increase energy use, and accelerate the wear and tear of HVAC components.

Is MERV 14 too high?

MERV 14 is too strong for most home HVAC systems.

And these are some of the best on the market. … MERV is an industry-standard, or rating. The abbreviation stands for Minimum Effective Reporting Value. In other words, it’s a measurement showing how small the holes are in the filter.

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Do pleated filters reduce airflow?

Even though pleated fiberglass filters are very common and are continuously highly recommended, there’s still a misconception around the filters being able to cause damage to your unit because they supposedly restrict air flow. Yes, pleated air filters do indeed restrict the airflow to your HVAC system.

Is MERV 11 or 13 better?

A MERV 11 rated furnace filter can trap the majority of harmful contaminants that are present in the air. … A MERV 13 filter is capable of filtering out all particle impurities like dust, lint, pollen, mold, dust mites, pet dander, smog, and smoke. On top of this, it can also trap bacteria and viruses.

Can I use a MERV 13 filter in my furnace?

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. However, many residential systems require modifications to pull air through these filters.

How often should MERV 13 filters be changed?

For Merv 8, 11 and 13 filters, we recommend that you change your filter at least every 3 months, however changing your filter every 2 months provides better filtration which provides healthier and cleaner air in your home.

Is MERV 11 better than 12?

We do not carry MERV 12; MERV 11 does just as good a job. … MERV 12 filters trap 80 to 89 percent of average particles of 1.0 to 3.0 microns, with an average particle size efficiency of 90 percent or better. As you can see, they’re pretty close. That’s why you’re just as good going with a MERV 11 as with a MERV 12.

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Is it better to buy cheap air filters?

Cheap fiberglass filters are designed to stop dust, debris and hair from gunking up the system. While they do little to filter out allergens and other irritants, using them keeps your HVAC system clean and efficient. … They can add more resistance to airflow, which makes the system more expensive to operate.

Do premium air filters make a difference?

Yes, in general, the more expensive air filters are more effective, but a single person with no pets and allergies might not need as much filtration as a family of five with three pets and a child with asthma. Also consider how long your air filter will last.