According to the ASHRAE, air filters with a MERV rating of 10 and higher are best at removing smaller airborne allergens like pet dander.
Does MERV 8 remove pet dander?
Furnace filters with a MERV 8 rating or higher can effectively remove pet dander from the air. On average, MERV 8 filters remove 85% of large air particles and 50% of small particles. The higher you go the better the filtration will be, but we don't recommend going higher than MERV 13.
Is MERV 13 too restrictive?
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.
Is a MERV 11 filter too restrictive?
Is MERV 11 too restrictive? Though MERV 13 is suggested by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), it might not be the most efficient choice for some residential HVAC systems. In fact, MERV 11 may even be too restrictive.31 Mar 2021
What MERV rating is best for pet dander?
MERV 11 filters are the minimum recommendation for pet owners since they're able to filter out the smaller particles that your pets bring indoors from outside, as well as pet dander. However, MERV 13 air filters have the added benefit of also being able to trap airborne viruses and bacteria.
Is MERV 8 good enough?
The higher the MERV rating, the more efficient the air filter is at catching harmful pollutants in your home's air. 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.26 Jun 2017
What does MERV 8 remove?
MERV 8 filters have 90 percent efficiency on particles that are 3 to 10 micrometers in size. MERV 1 to 4 effective at controlling larger particles such as, sanding dust, spray paint dust, lint and carpet fibers. Applicable in residences and in window air conditioning units.22 Dec 2017
Is MERV 8 too restrictive?
Based on the aforementioned features, a MERV 8 is considered superior filtration compared to air filters with a lower MERV rating. But is it enough filtration? In many cases, a MERV 8 air filter is more than adequate.
Do some air filters restrict airflow?
All filters will restrict the air flow to some extent because, in every case, the air has to move through the filter for the unit to be able to remove the particles in the atmosphere. The higher the MERV rating, the denser the filter is going to be, and so the more restricted air flow will become.All filters will restrict the air flow to some extent because, in every case, the air has to move through the filter for the unit to be able to remove the particles in the atmosphere. The higher the MERV ratingMERV ratingMinimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) to report the effectiveness of air filters in more detail than other ratings.https://en.wikipedia.org › Minimum_efficiency_reporting_valueMinimum efficiency reporting value - Wikipedia, the denser the filter is going to be, and so the more restricted air flow will become.5 Nov 2018
What's a disadvantage of the highest MERV rated filters?
One disadvantage of the highest MERV rated filters is that: The pressure drop across high MERV filters is more.
How often should I change my furnace filter if I have cats?
Have a pet? If you do, your air filter likely takes in a fair amount of pet hair, so you should replace it more often. Every two months may suffice for a one-pet household, but if you have several dogs or cats you may want to replace your air filter every month to keep your HVAC in top working order.13 Feb 2020
How often should you change your furnace filter in the winter?
Professionals, like our team at Airco Service, Inc. say that you should change your air filter at least every three months. During the winter, when you rely on your heating system more, you want to increase that frequency. During the winter, when the system is in constant use, change it out every month.25 Jan 2018
What happens if you dont change furnace filter?
Short Cycling If the air filter is not serviced often enough, it will eventually become clogged to the point that air cannot pass through it. When the furnace is operating, the lack of air flow will trap the heat in the system. Without a new air filter, the furnace will overheat every time it starts up again.30 Jan 2017