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Air Filters: The Biggest Small Part Of Your HVAC System

HVAC, what is it?

The letters HVAC stand for heating, ventilation, and air conditioning. This is the system that controls the temperature of your home in any season. It is your best friend in the heat of summer and on the coldest winter day. You would not neglect a valued friendship, so do not neglect your system. Regular servicing is necessary to ensure proper functioning and energy efficiency. An HVAC tech will inspect your entire system, including duct-work. If any problems arise such as the presence of moisture or mold, you will be alerted. Regular maintenance will keep your energy bills low and prevent many health issues that could arise.

Air filters 101.

The air filters commonly used in homes are made of either a fiberglass material, open weave cloth, or paper and usually framed with cardboard. They live in the intake vents in your home and trap dust and other pollutants circulating through your house. Replacing them on a regular basis is essential. As an air filter traps these particles, air is no longer able to pass through it as easily. This could lead to your system overworking, or worse, particles being forced back into your home. Assuring you have the proper size and MERV for your home, and replacing regularly, will extend the life of your system. To take the guesswork out of when to replace, try a delivery schedule. ClearAirClub will set you up with correct sizes and a delivery schedule that works for you. Who wouldn’t appreciate one less thing to worry about?

Who is MERV?

MERV is not a who. It is a what. To be more precise, it is the minimum efficiency reporting value. MERV ratings run a range from 1-16, 1 being the least dense of the filters, and 16 the densest. Logically speaking, a denser filter will allow the least amount of pollution to pass. That bigger is better way of thinking is flawed in this case though. Consider how the air passes through the filter and how hard the system would need to work to pull it through. The thicker the filter, the harder it is for air to pass, and this could cause damage to your system or even overheat it. The MERV rating should be determined by your home and factors like traffic, pets pollution, and health of the family.
The only places a higher MERV rating would be preferable are areas where sterility is a must such as doctor offices and hospitals. These places will have industrial style units that can handle the heavier load. For homes and most businesses, an 8-11 rating is sufficient. To see a more detailed chart, go to, https://en.wikipedia.org/wiki/Minimum_efficiency_reporting_value

As you can see, although small, air filters play a big role in your heating and air conditioning system. There is more to consider than simply which aisle they are in at the local box store. To truly reap the most benefits from your unit, quality, size and density take precedence over color or popular scent.

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