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Choosing Replacement Air Filters

Choosing Replacement Air Filters
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There are many different tasks involved in HVAC maintenance and one of them is the changing of the air filters, also known as furnace or AC filters. It is interesting to note that main purpose of the filters is to protect the components, but technological advancement has made it possible for them to capture air polluting particles and improve home indoor air quality. How do you choose the right model? Here is some important advice to help you with this.

Always Check the Rating

Choosing Replacement Air FiltersAll HVAC air filters receive a MERV rating. MERV stands for minimum efficiency reporting value. Basically, it shows how well the respective model captures particles which contaminate the indoor air. The higher the MERV rating of a filter is, the better it will work to protect your family. With it, you may need air duct cleaning less often too.

Checking the rating is a very easy way to spot reliable products and to compare them. Each air filter can receive a MERV rating from 1 to 20, with 1 being the lowest. It is important to note that the models for home use rarely have a rating above 14 or 15 and the majority has a rating below 10. There is no room for disappointment, however, since the models with the highest minimum efficiency reporting value are made to be used in public buildings like hospitals, for instance.

Disposable or Permanent?

This is one of the major questions when it comes to air filter replacement. The most widely used disposable filters, the pleated ones, should be changed every three months on average. You have to follow a strict schedule if you want to maintain a healthy indoor environment.

Permanent filters have to be washed on a regular basis. Hand-washing is typically required. With proper maintenance, you can keep them for a long time to come. The permanent electrostatic filters, for example can work well for as many as eight years, if they receive cleaning regularly. Hence, air filter cleaning can help you save money.

Other Important Considerations

You should check if and how the new filter may affect the performance of your HVAC system. You wouldn’t want to use a product which would slow it down and boost your energy bills.

Last, but not least, size always matters. Make sure that the new filter will fit properly. 

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Air Duct Cleaning Palo Alto, 650-653-7760, Cesano Court, Palo Alto, California, 94306, http://www.airductcleaning-paloalto.com/