What is the best furnace filter for allergies
William Taylor
Updated on March 29, 2026
Filter King’s MERV 11 Furnace Filter.Filtrete AC Furnace Air Filter MRP 1000 Micro Allergen Defense.AIRx Filter Allergy MERV 11 AC Furnace Pleated Air Filter.Aerostar AC and Furnace Air Filter MERV 13.Filtrete AC Furnace Healthy Living Ultra Allergen.
Do MERV 13 filters help with allergies?
MERV 13-16: Filters that boast MERV ratings of 13 to 16 can remove tobacco smoke, all types of bacteria, and even the residue left lingering in the air from a sneeze. These are truly the best air conditioner filters for allergies and asthma.
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.
Does changing your furnace filter help with allergies?
Homeowners who clean or replace furnace filters at the beginning of the year’s first cold snap also eliminate the source of many winter allergies. Filters, especially high-quality ones, keep dust, animal dander and other particles out of the air.Is MERV 8 good for allergies?
MERV ratings of 5-8 mean 85-90% of particles will be caught in the filter. This is the most common type of filter recommended by HVAC technicians, but it won’t capture all allergens. Still, these filters can be up to eight times more effective than fiberglass filters.
Does MERV 11 filter pollen?
With a MERV-11 (MPR 1000) rating, they are sufficient to capture most fine particles, including pollen and pet dander. These filters also have more pleats than other filters with a similar rating.
What MERV rating Do I Need for allergies?
Ideally you want to choose a MERV rating of 17 or higher, which are most effective at blocking the particles that cause allergy symptoms.
Can Dirty air filters cause allergies?
According to the American College of Allergy, Asthma and Immunology (ACAAI), dirty air filters may be to blame. Studies show that indoor air pollution caused by a dirty air filter can trigger allergic reactions and sinus congestion in those with allergies to animals, pollen and mold.Are allergy filters worth it?
More expensive filters like Pleated Residential filters filter out dust mites, pollen, mold and pet dander and even bacteria and so are worth the money especially for those with severe allergies. HEPA filters filter bacteria and viruses and are worth the extra money for those with respiratory conditions like emphysema.
Do air filters reduce allergies?Dr. Alana Biggers, assistant professor of medicine at the University of Illinois-Chicago, believes that air filters can be useful for those with allergies because they remove a majority of aggravating air particulates from any given room, though they don’t take away all particles.
Article first time published onIs MERV 11 good?
MERV 11 rated air filters have a filtration efficiency of a little over 90%, making them highly efficient. MERV 11 furnace filters effectively trap pollen, dust, lint, dust mites, and mold, along with smoke, pet dander, smog, auto emissions, bacteria, and other such fine particles.
Can I use a MERV 12 filter in my furnace?
The short answer is that it can, but it’s not really an issue except under extreme circumstances. Most modern HVAC systems have no problem working with higher MERV filters, which is why millions of homeowners depend on them.
What is the best MERV rating for home use?
According to the ASHRAE, the best rating for residential HVAC systems is MERV 13. But before you upgrade your filter, make sure your specific system can accommodate that rating. A higher MERV rating often means lower airflow, which can cause the system to work harder—use more energy—to do its job.
What is a MERV 11 furnace filter?
MERV 11 is effective at controlling dust, pollen, dust mites, and pet dander. The MERV 11 will increase indoor air quality by removing 85% of micron sized contaminants in the air which maintains the efficiency of the HVAC unit. …
What is the difference between MERV 10 and MERV 11?
A MERV 9 will trap less than 50% of particles sized 1.0-3.0 microns, MERV 10 will stop up to 64%, MERV 11 will get up to 79%, and MERV 12 is capable of catching up to 89%.
Whats the difference between MERV 11 and 13?
A MERV 11 rated furnace filter can trap the majority of harmful contaminants that are present in the air. … A MERV 13 filter is capable of filtering out all particle impurities like dust, lint, pollen, mold, dust mites, pet dander, smog, and smoke. On top of this, it can also trap bacteria and viruses.
What MERV rating do I need for Covid 19?
What kind of filter should I use in my home HVAC system to help protect my family from COVID-19? Minimum Efficiency Reporting Values, or MERV, reports a filter’s ability to capture particles. Filters with MERV-13 or higher ratings can trap smaller particles, including viruses.
What does MERV 8 filter?
A MERV 8 filter traps pollen and dust, but also dust mites and mold spores.
Are MERV 8 filters good?
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.
What MERV rating does Trane recommend?
Clear The Air’s Trane Perfect Fit Merv 11 replacement filters effectively remove 91% of airborne particles. Our Merv 11 filter eliminates allergens such as dust mites, pollen, mold spores, pet dander, dust, and smog.
Do HVAC allergy filters really work?
While these mechanical filters do trap small to large particles, studies have not been able to prove that effective filtering alone actually improves asthma or allergy symptoms.
Are Honeywell air filters good?
On the other hand, Honeywell Filters are more effective as an air cleaner because they can last up to one year. … Compared to other products, it is a more effective filter that can filter out bacteria, microscopic allergens, pollen, smoke, mold spores, insecticide dust, pet dust, and disintegrated feces.
Does the type of furnace filter matter?
Is a thicker furnace filter better than a thinner one? Not always. Thicker filters are denser and block more dust and particles, but they may also cause the furnace to work harder to draw in air. Use only the type and thickness of the filter recommended by the furnace’s manufacturer.
Is it better to buy cheap air filters?
Cheap fiberglass filters are designed to stop dust, debris and hair from gunking up the system. While they do little to filter out allergens and other irritants, using them keeps your HVAC system clean and efficient. … They can add more resistance to airflow, which makes the system more expensive to operate.
Does it matter what kind of air filter I use?
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.
How often should you change your furnace filter?
In general, this is how often changing furnace filters needs to be done: For 1- to 2-inch filters, replace them every 1 to 3 months. For 3- to 4-inch filters, replace them every 6 to 9 months. For 5- to 6-inch filters, replace them every 9 to 12 months.
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.
Can not changing your furnace filter make you sick?
Stay Healthy with a New Air Filter As long as you change your air filter on a regular basis, you can minimize the effects of dirty air. Pollutants and small contaminants can make you sick if you don’t keep the filter clean. With regular filter changes, your home’s indoor air will be clean, safe, and fresh.
Do HEPA filters remove pollen?
According to the Environmental Protection Agency (EPA), HEPA filters can theoretically remove up to 99.97% of dust, pollen and any airborne particles with a size of 0.3 microns, so they should safely take care of pet dander floating in the air.
What is better for allergies humidifier or air purifier?
For Allergies An air purifier will clear the air of common allergens in your home, which will reduce potential triggers so that you can breathe easy. Literally. A humidifier, on the other hand, can help to reduce or eliminate allergy symptoms including congestion, sore throat, watery eyes, sinus pain, and inflammation.
How can I reduce dust and dander in my house?
- Control dust mites. Keep surfaces in your home clean and uncluttered. …
- Vacuum once or twice a week. …
- Prevent pet dander. …
- Prevent pollen from getting inside by keeping windows and doors closed. …
- Avoid mold spores. …
- Control cockroaches. …
- References.