What is the standard size air filter for a furnace?
While there are no standard furnace filter sizes that will fit all models, the most common filter dimensions include: 10 X 20. 14 X 20. 16 X 24.
Does furnace filter need to be exact size?
Any brand will fit, as long as you have the correct size. For example, your furnace filter label may read: 20x20x5 inches. That’s not the exact size, however, as there are three different EXACT sizes available for that item: 19″ 7/8 x 19″ 7/8 x 4″ 3/8.
What MERV filter 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.
What size air filter should I buy?
Follow these 3 easy steps to measure your HVAC filter size:
- Step 1 – Measuring Length and Width (L x W).
- Step 2 – Measure the thickness (Depth) of your filter from front to back.
- Step 3 – Put Your measurements together (L x W x D).
- It’s as simple as that!
What size air filter do I need without a filter?
Follow these 3 easy steps to measure your HVAC filter size:
- Step 1 – Measuring Length and Width (L x W). (If your filter is not a square, the smallest measurement goes first).
- Step 2 – Measure the thickness (Depth) of your filter from front to back.
- Step 3 – Put Your measurements together (L x W x D).
What MERV is best for furnace?
If your family has health or allergy issues, then you may want to look for a high-efficiency filter that’s MERV 11 or higher. But for most households, a MERV 7 or 8 filter might be the sweet spot between performance and cost.
Will MERV 11 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.
How do I know what air filter I need?
Look inside the section of the furnace where the air filter should go, there should be a 1″ filter track or opening where the air filter slides into. You want your air filter to cover the duct opening. Measure the height and width of the duct opening and allow for a bit of overlap if you have room.