Is MERV 13 too much for my furnace?
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.
Will MERV 11 filter hurt my furnace?
A MERV 11 air filter has a higher efficiency rating. In particular, using an air filter with a MERV rating that’s too high can damage the compressor, heat exchanger, and air conditioner coil. In most cases, a MERV 11 air filter isn’t too high for residential use.
Will a MERV 12 filter hurt my furnace?
The short answer is this: The best MERV rating for your heating and air conditioning equipment is the MERV recommended by the manufacturer. It’s usually in the range of 8-12 MERV. When in doubt, choose a MERV 8 to MERV 10 filter rated for high airflow, so it won’t damage your furnace or air handler.
What size filter does a Ruud furnace take?
Rheem / Ruud
OEM Brand | OEM Part Number | Nominal Size |
---|---|---|
Rheem / Ruud | Protech 54-25051-01 | 20x25x5 |
PD540018 | 21x21x4.5 | |
Protech 540012 | 21x21x4.5 | |
Protech 540018 | 21x21x4.5 |
What MERV 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.
What MERV rating is best for home use?
As 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.
Where are the filters on a Ruud furnace?
The filter is inside of the air handler housing, by the return air duct. You can purchase replacement filters at home improvement centers. If you are not sure what size to purchase, open the filter door and look at the edge of the current filter. The size of the filter is stamped on the filter edge.
Where is the filter on a Ruud?
Answer: The filter for the Ruud Achiever 90 Plus can be found in an external filter cabinet on the side and bottom of the unit.
Is MERV 8 too high?
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.