Is MERV 13 Too High?

Does MERV 13 filter smoke?

The higher the MERV rating, the more effective the filter will be at removing small particles.

The minimum MERV rating for removing fine particulate in smoke is MERV 13.

However, a MERV 13 filter is effective at removing the fine particulate in smoke when air recirculates through the filter..

Should I get MERV 8 or MERV 11?

A MERV 11 filter would make their lives a lot more comfortable because it can pick up even smaller particles than a MERV 8 filter. If members of your family have those health concerns, we recommend a MERV 11 air filter—especially in the spring and summer seasons.

Is MERV 12 a HEPA?

HEPA stands for High Efficiency Particulate Air filters and they are super-efficient. They will range from 17-20 MERV. HEPA filters meet standards that remove at least 99.97% of airborne particles down to the size of 0.3 microns.

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.

Is MERV 11 too restrictive?

MERV 11 are approximately the same. A MERV 11 would be considered an “allergy” filter that does a good job of removing particles in all size ranges. … Most of the thicker filters are sold as a MERV 11 or higher, but they are also available in a MERV 7 or MERV 8.

Can my furnace handle MERV 11?

Higher rated filters allow less air to flow through though and can force your furnace to work harder and possibly malfunction. A MERV rating between eight and 11 is adequate for most homes. To be safe, you should check if your furnace manufacturer has a maximum MERV rating your model of furnace can use.

How often should you change a MERV 11 filter?

every 30 daysThe filter you choose determines how often you need to change it. We recommend that most homeowners buy a mid-level MERV 10 or 11 filter and change that filter every 30 days — for better air quality and energy bill savings.

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.

Which Filtrete filter is best?

Better filtration: MPR 800 to 1200D Allergen Defense Filters, including Filtrete™ Allergen Reduction + 2x Dust Defense Filters , are capable of capturing even more particles. This level is the better option if you want to capture lint, household dust, dust mite debris, mold spores, pollen and pet dander.

What is the best air filter for your home?

So here is my list of The 10 Best Furnace Filters.AIRx Health 1″ MERV 13 Furnace Filters. … Honeywell FC100A1037 Ultra Efficiency 4″ Furnace Filters. … Nordic Pure 4″ Furnace Filters. … FilterBuy 1″ Furnace Filters. … AIRx ALLERGY 1″ Furnace Filters. … Filtrete Micro Allergen 4″ Furnace Filters. … X6673 Lennox 4″ Furnace Filters. … Filtrete Clean Living 1″ Furnace Filters.More items…•

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.

Does a higher MERV rating restrict airflow?

A MERV Rating is a good indication of the effectiveness of an air filter on your central HVAC split system. The higher the rating the better the filter. As the MERV rating increases less and less contaminants and dust pass through the filter making the incoming airflow a better quality.

What does MERV 13 filter out?

MERV 13 filters are effective for eliminating contaminants including bacteria, most tobacco smoke, sneeze particles, cooking oil, paint pigments, and fine facial powders in addition to larger particulates like pollen, pet dander, dust and dust mites, mold spores, insect debris, textile and carpet fibers, sanding and …

Is MERV 11 bad for HVAC?

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.

What MERV rating should I use in my house?

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.

Is MERV 13 bad for HVAC?

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….Learn how to maintain your. home and HVAC this fall.MERVMinimum Particle Size13–161.0–0.3 μm17–20< 0.3 μm3 more rows•Sep 20, 2019

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 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.