Can You Use a Different Size Air Filter?

If you can't find a standard size filter within the parameters you need, you'll need to order a custom-sized air filter. Filters only work if air has to pass through them, as the filter has air resistance and a gap does not. If you leave a gap of 1, an excessive amount of air will flow through the hole, worsening the situation.

Air filters

come with many different MERV ratings, with higher ratings indicating that the filter has a finer mesh and is capable of removing smaller particles from the air.

However, you should not use a filter with a higher rating than what your unit is designed for, as the mesh may be too thin for the HVAC system to blow air through it properly. If the filter is too small, there will be a space around the air filter, allowing dirty air to pass through. Most HVAC systems are designed to accommodate 1-thickness filters. You can choose not to use the factory-installed filter racks and have an HVAC professional install an external filter rack for a coarser filter.

Custom-sized air filters can be manufactured from scratch with their exact dimensions. It is possible to cut an air filter if you know what you're doing and if the filters don't get too weak from the cut. When buying an air filter, it's important to note that they are made to measure slightly smaller than their slot or frame so they can easily slide into place without bending or breaking. The equipment you choose will ultimately determine how flexible your system is, how tight it is for your property, and whether you need to cut air filters in the first place.

Getting stuck in a large filter where it doesn't belong can damage the HVAC system and not clean the air properly. They block dust, mold, pollen, and finer dust such as coal or lead, which is useful if you live in an area with poor air quality. An air purifier is a stand-alone unit that can be configured along with the rest of the system. When choosing an air filter for your HVAC system, there are several things you should keep in mind.

Before you can answer these kinds of questions, it is necessary to research the purpose of an air filter, how they work, how it can be cut and whether cutting it would change any property that would allow it to do its job. Oppositely charged plates on the other side of the unit capture charged particles and remove them from the air. Regular replacement of the air filter is an essential task if you want your HVAC system to operate efficiently. The truth is that most households do not need any additional air purifiers in addition to their usual air filters.

Although it may seem exhausting to dive into the world of air filters right after researching your HVAC system or oven, it is extremely important to make sure you have the right one. MERV 9-12 are usually the highest quality air filters you'll find in normal residential buildings. Another caveat is that suppliers could be encouraged to sell more than certain types or brands of air filters. For common brands of HVAC systems such as Goodman, Lennox, Trane, Rheem York, Coleman and Carrier, most standard air filter sizes will work.

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