Are cheap air filters OK?

Do expensive air filters restrict airflow?

Because they restrict airflow to your HVAC system. Pleated, high-MERV filters definitely capture a lot of pollutants, but they also restrict the movement of air into your blower or furnace. As a result, the fan has to work harder to heat and cool your home, reducing efficiency.

Is there really a difference in air filters?

No, HVAC air filters differ in quality and dimensions, and some have features that others don’t. In most instances we advise using the filter your HVAC manufacturer recommends pairing with your system. All filters are assigned MERV ratings, which go from 1–20. MERV stands for minimum efficiency reporting value.

Does it matter which air filter I buy?

The short answer is, no, they’re not all the same. In fact, there are many different types of air filters available and choosing the right one can make a real difference in the lifespan of your HVAC system. … You see, the higher the MERV rating, the more the filter restricts air flow.

Are some air filters better than others?

Air filters are all the same.

Not only do filters remove dust allergens, mold spores, and other contaminants from the air your family breathes, they also filter out fine dirt particles that can degrade the performance of the HVAC system itself. It’s true! … Disposable pleated paper or polyester filters: 5 to 7 MERV.

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Do I really need expensive air filters?

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.

Are expensive engine air filters worth it?

One of the benefits of a high flow air filter is that, unlike regular filters, you don’t have to change it every year. … And if your engine is getting more air, then it can perform better. In fact, a high flow air filter can actually increase your horsepower by about 3 to 5 HP and increase your torque as well.

Do HVAC filters help with Covid?

Portable air cleaners and HVAC filters can reduce indoor air pollutants, including viruses, that are airborne. By themselves, portable air cleaners and HVAC filters are not enough to protect people from the virus that causes COVID-19.

Is MERV 13 too high?

Filters within a MERV rating of 17-20 are almost never necessary in a residential home. A MERV rating of 13-16 is considered hospital level air quality, so it is unlikely your home needs any more than that.

How often should you change air filter in house?

Here are averages that may help you know how regularly you should get a new air filter at your residence: Vacation house or one occupant and no pets or allergies: every 6–12 months. Ordinary suburban home without pets: every 90 days. One dog or cat: every 60 days.

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