Is MERV 8 Or 11 Better?

Will MERV 11 hurt my AC?

Most modern HVAC systems have no problem working with higher MERV filters.

If your home has a very old HVAC system, or you use a higher MERV filter and never change it, you could run into airflow problems, but under normal circumstances, you won’t be stressing out your HVAC system that much with a higher MERV filter..

Does MERV 11 restrict airflow?

Be aware, too, that some retailers also use their own rating system instead of MERV. A decade ago, it used to be that if you had an HVAC system that used panel filters rated 6 through 9 MERV, putting in a MERV 11 or higher filter would restrict airflow (known as filter pressure drop).

What does MERV 8 mean?

The MERV rating is based on the effectiveness of the filter and how many particles are removed from the air. MERV 1-4: Carpet fibers, cockroach debris, dust mites, pollen, sanding dust, spray paint dust, and textile fibers. MERV 5-8: Dust mites, dusting aids, fabric protector, hair spray, mold spores, and pet dander.

What MERV rating is best for allergies?

Ideally you want to choose a MERV rating of 10 or higher, which are most effective at blocking the particles that cause allergy symptoms.

What does MERV 11 mean?

Minimum Efficiency Reporting ValueShort for Minimum Efficiency Reporting Value, this system is designed to inform consumers about which environmental pollutants MERV-rated filters can trap, from pollen to dust mites. … The system ranges from 1 to 16, with the higher end trapping the most particles.

Do higher MERV 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 a 2 inch filter better than a 1 inch?

When it comes to a 1 inch vs 2 inch furnace filter you could use a 2 inch filter if your vent is deep enough and a 2 inch filter will generally last longer since it has more media.

What is the best air filter for home use?

Amazon. Airdog X5. … Amazon. Blueair Blue Pure 411 Air Purifier. … Walmart. Honeywell HPA100 True HEPA Allergen Remover. … Allergy Buyers Club. Austin Air Healthmate. … Amazon. PARTU Air Purifier. … Dyson. Dyson DP04 Air Purifier. … Amazon. Coway Airmega 400 Smart Air Purifier. … Oransi. Oransi mod HEPA Air Purifier – True HEPA Filter Air Purifier.More items…•

What is the best MERV rating for air filters?

16Higher MERV ratings are better at capturing smaller particles. That’s why hospitals tend to use MERV 16 or higher, to capture the most pollutants possible. Although lower MERV rated filters are less efficient overall, they let more air to go through the filter, which can assist the operation of the HVAC system.

What MERV rating is best for home use?

Using an air filter with a MERV rating of about 5 to 8 is appropriate for most residential homes. MERV 5 – MERV 8 filters provide good filtration and will remove most pollen, mold spores, and dust mites.

How often should you change a MERV 11 filter?

every 6 monthsThe MERV rating also determines generally how often to change your furnace filter. MERV 8 filters should be changed every 3-4 months, MERV 10 & 11 filters every 6 months and MERV 16 filters every year.

Is MERV 13 bad for HVAC?

MERV 13 pleated filters are also constructed with synthetic media. Excellent filtration however, not suitable for most hvac systems due to air flow resistance. Check with your furnace manufacturer to ensure that your system is designed for this type of filter.

How do I choose an air filter for my home?

Choosing the Correct Air FilterCheck Your Manufacturer’s Guidelines. Your HVAC manufacturer’s instructions will provide important details about the type of filter you should select for your system. … Look at the MERV Rating. The MERV rating tells you how efficient filters are at removing particles from the air. … Compare Disposable and Washable Options.

Is MERV 11 or 13 better?

For most household uses, the highest MERV rating used will be MERV 13 filters. … “The MERV 11 air filters remove a higher percentage of contaminants in the air that will increase indoor air quality and maintain the efficiency of the HVAC unit.

Is MERV 8 good enough?

MERV 5–8 (good): These filters are better at catching small particles (3–10 microns) like mold spores, hair spray, dust mites and animal dander. MERV 9–12 (better): The best option for residential use. … Particles this small include bacteria, tobacco smoke and even the contaminants in sneezes.