What do I do if my air filter doesn’t fit?

What happens if your air filter doesn’t fit?

Reduced Airflow

Once the air filter is not the right fit, your system will suck negative pressure from the outside. The gaps around the opening will pull in a large volume of air to your heating and cooling system. This means you get less cool air in return because a negative pressure sucks most of it.

Can I cut my air filter to fit?

Answering the Question: Is it okay to cut an air filter to fit? … Simply put, yes, you can cut an air filter if you know what you are doing, and if the filters you use will not become too weak from the cutting.

Do air filters have to be exact size?

Since air filters are most often sold by their nominal dimensions, it is crucial to learn how to properly measure your air filter. When making your purchase, you should order your filter by its nominal size, rather than its actual size.

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Can I use a 1 inch filter instead of 4?

Question: Can i use a 1 inch filter instead of 4 inches? Answer: If you are okay with more frequent replacement and little stress on the system, 1” filter can be budget-friendly alternative of 4” filters.

How tight should an air filter fit?

How tight should a Furnace Filter fit? When you remove the existing filter, take note of the dimensions printed on its frame. Your new filter will need to match this size for the system to run efficiently. It should fit snugly but not so tight that you can’t easily slide the filter in and out.

What happens if your air filter is too big?

Air Filter Problems with Poor Fit

If you purchase a filter that’s too large, it won’t slide into the slot correctly. If the filter is too small, it won’t cover the entire space and may allow dust and dirt to flow past.

What are standard air filter sizes?

Standard air filter sizes include:

10X20 14 X 20 20X20
12X12 14X24 24 X 24
12X20 14X25 20X24
12X24 14X30 20X25
12X30 15X20 20X30

What happens if your furnace filter is too big?

The biggest concern when you use the wrong size air filter is that it may not effectively prevent dust from building up on your HVAC system’s motors and blowers. This dirties up your furnace which could affect its performance or possibly harm the system’s internal components, leading to costly repairs or replacements.

How do I know my filter size?

A) Refer to the label on the filter’s frame.

The easiest way to identify your AC filter size is to remove the existing filter from its slot and examine the frame of the filter. Usually, the filter size is printed along the edge of the filter’s frame.

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How do I know what size air filter to buy?

Follow these 3 easy steps to measure your HVAC filter size:

  1. Step 1 – Measuring Length and Width (L x W). (If your filter is not a square, the smallest measurement goes first).
  2. Step 2 – Measure the thickness (Depth) of your filter from front to back.
  3. Step 3 – Put Your measurements together (L x W x D).

How do I know what size air filter for my house?

Follow these 3 easy steps:

  1. Follow these 3 easy steps:
  2. Step 1 – Measuring Length and Width (L x W). …
  3. Step 2 – Measure the thickness of your filter from front to back.
  4. Step 3 – Put Your Measurements Together (L x W x D).
  5. It’s as simple as that – You are now ready to buy the right filter for your AC or Furnace.