Can I put a thinner filter in my furnace?

Are thinner furnace filters better?

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.

Does the thickness of a furnace filter matter?

Furnace filters can range anywhere from 1″to 5″ in thickness. In general, the thicker the furnace filter is the more efficiently your unit work and the longer it will last.

What happens if you use a smaller furnace filter?

When in doubt, opt for a rating between 7 and 10. While a clean air filter makes a world of difference for HVAC efficiency and air quality, it isn’t the be-all, end-all of home comfort. You still need the professionals at Air Specialty to keep your HVAC system in tip-top shape. Call us today at (251) 415-4559.

Can I use a different size filter in my furnace?

The furnace you have determines the furnace filter sizes used. However, homeowners usually can choose from different brands of furnace filter sizes.

Can a furnace filter be too thick?

Most air filters are 1 inch thick, but some systems can accommodate filters 2 to 5 inches thick. In our tests, we found that the thicker the filter, the better it works and the longer the replacement intervals. That means it’s better for you and for your heating, ventilating, and air conditioning (HVAC) system.

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How thick of furnace filter do I need?

Some AC specialists have also noted that thicker filters are better at providing a tight fit that doesn’t allow unfiltered air through. At the same time, a thicker filter is less restrictive and will allow for better flow of purified air. A 4-5” filter is usually best for people that need superior filtration.

Can I use a thinner air filter?

If you measure the filter slot, and it’s large enough to accommodate the thicker filter, then you can use it. However, if the slot is less than 4 inches wide, you’re stuck with using that thickness.

Can an air filter be too thick?

If you get a filter with pleats that are too thick, your filter could get dirty quickly. Thus, making your AC unit work harder than it needs to. A good benchmark to follow when considering MERV ratings is that if it’s more than 13, the pleats are most likely too thick for your filter.

What happens if your air filter is too big?

If you have a filter that is too big for your system, it may seem like an easy enough fix– just fold it over or trim it down, right? … The debris will quickly build up in your AC system, as well as being blown into your home. Heating and cooling systems should always be operated with the proper filter installed.