How often should I change my air filter?
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.
How often do you need to change a MERV 16 filter?
The basic recommendation for furnace filters replacement is every 3-4 months for MERV 8, every 6 months MERV 10 and 11 and every year for MERV 16. There are other several factors to consider when determining when to change your home air filter.
How often do you need to change a MERV 13 filter?
Change Filters Often
For Merv 8, 11 and 13 filters, we recommend that you change your filter at least every 3 months, however changing your filter every 2 months provides better filtration which provides healthier and cleaner air in your home.
How long does a MERV 11 filter last?
The MERV rating also determines generally how often to change your furnace filter. You must have a clean filter, MERV 8 filters should be changed every 3-4 months, MERV 10 & 11 filters every 6 months and it’s a good idea to change MERV 16 filters every year.
How do I know if my air filter needs changing?
8 Signs Your Air Filter Needs Replacing
- Reduced Fuel Economy. …
- Misfiring Engine. …
- Unusual Engine Sounds. …
- Check Engine Light Comes On. …
- Air Filter Appears Dirty. …
- Reduced Horsepower. …
- Black, Sooty Smoke or Flames Exiting the Exhaust. …
- Smell of Gasoline when Starting the Car.
How long does MERV 16 filter last?
A MERV 16 filter is the most restrictive and will likely need to be changed every 3 to 6 months. Yes, they are more expensive than the average filter, but you get what you pay for.
Can a MERV 13 filter be washed?
A: Yes. After using the mask in public, the mask should be cleaned or sterilized. … If you need to wash the mask, remove the filter material and hand wash. Machine washing tends to crumple the nose wire which will cause it to eventually break.
Is MERV 11 too high for home?
A MERV 11 air filter has a higher efficiency rating. Meaning, it can capture finer particles and clear more contaminants out of the air. … In most cases, a MERV 11 air filter isn’t too high for residential use.
Do MERV 13 filters reduce air flow?
For example, let’s say you have a pleated filter that’s 1-inch thick and has a 13 MERV rating. Because the filter is thin and the MERV is high, it reduces airflow into the duct system. … To make matters worse, this type of filter will reduce airflow even further once it gets dirty, which it will do very quickly.
Can I use a MERV 13 filter in my furnace?
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 should I use?
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. If you have serious medical conditions making it difficult to breathe, you might want to get a filter with MERV 9-12 rating.