Which Merv Is Best?

Is MERV 13 too high?

Minimum Particle Size 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..

Does higher MERV rating restrict airflow?

Here’s the problem: Some filters with a high MERV rating can drop air pressure in your duct system, which can increase energy bills and damage your HVAC system. … Because the filter is thin and the MERV is high, it reduces airflow into the duct system.

Is MERV 12 too high?

9-12 MERV – These filters are more efficient and usually offer the best indoor air quality improvement for residential applications. Deep pleated filters fall into this category. Because they work so well at removing airborne pollutants, they must be regularly checked to ensure proper airflow.

Is MERV 13 too restrictive?

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. … ASHRAE recommends MERV 6 or higher.

What is the best air filter for home use?

HEPA filtersHEPA filters Usually packaged as a HEPA “system,” these filters are the best of the best. VOCs, bacteria, viruses… HEPA filters capture nearly everything. Technically speaking, they trap particles as small as 0.3 microns in diameter, which is ridiculously small.

Does MERV 11 filter smoke?

A MERV 11 filter traps all that stuff plus pet dander, smoke, smog, and airbornes from coughs and sneezes. A MERV 11 is a must if you have kids or pets. It will filter out a lot of the most common air pollutants and irritants.

What MERV rating should I get for home?

8As a general rule, residences do not use higher than MERV 8 filters. We do recommend that everyone uses filters that have at least an 8 MERV rating. These filters will remove the majority of pollutants from your indoor air.

What MERV rating does Trane recommend?

MERV-13ASHRAE recommends upgrading air filters to MERV-13, or higher if possible.

Is higher MERV better?

MERV stands for Minimum Efficiency Reporting Value, and it’s used to tell you how well an air filter can catch particles in your home’s air. The higher the MERV rating, the more efficient the air filter is at catching harmful pollutants in your home’s air. … MERV 9–12 (better): The best option for residential use.

Is MERV 11 too restrictive?

Disposable pleated high MERV filters (11 to 13 MERV): High-efficiency filters can trap 0.3 micron particles like bacteria and some viruses. … HEPA filters drastically restrict airflow and should only be matched to a compatible system.

Is MERV 8 too restrictive?

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.

How often do 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.

What does MERV 11 filter out?

Use MERV 11 filters to eliminate contaminants such as humidifier and lead dust, automobile emissions, welding fumes, legionella, milled flour, and nebulizer drops in addition to larger particles like pollen, mold, pet dander, dust and dust mites, carpet and textile fibers, insect debris, sanding and spray paint dust, …

Is MERV 13 better than MERV 11?

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.

How often should you change a MERV 13 filter?

every 30 daysIf you want good indoor air quality (IAQ), you need better filtration and that means a MERV-13 filter. But high-MERV filters also happen to be more expensive so changing them every 30 days is not the so good for your pocketbook. The good news with high-MERV filters, though, is that they usually hold more dirt.

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

What MERV rating is filtrete 1500?

Filtrete 1500 Ultra Allergen Filter3M Filtrete 1″ Air FilterMPR RatingMERV Rating• Odor Reduction (gray package)120011• Ultra Allergen (purple package)150011• Ultimate Allergen (deep blue package)190012• Elite Allergen (black package)220012