However, the downside of high-efficiency air filters and HEPA filters is the cost of them. They are extremely effective at removing airborne pollutants from indoor air. High-efficiency air filters, including HEPA filters, are some of the best filters available on the market. These types of filters tend to be a good alternative for homeowners who wish to help improve their indoor air quality. These filters have a MERV rating of 8 to 13. They also have an added advantage in trapping these particles without significantly restricting the airflow from your HVAC system. These types of filters can remove up to 45 percent of the indoor air irritants in your home. Polyester air filters, also known as pleated air filters, are quite effective at capturing dust and other small particles that fiberglass air filters cannot catch. The MERV rating for these filters ranges between 1 and 4. If you are looking to improve indoor air quality in your home then it is not recommended to use fiberglass filters. These types of filters do not cost that much but they do need to be replaced quite often. However, fiberglass filters do not assist in the improvement of indoor air quality. Fiberglass Air Filtersįiberglass filters tend to be highly effective at catching large particles that could potentially damage your heating and cooling system. The MERV rating for these filters typically ranges between 1 and 4. These types of filters require additional maintenance and are more prone to catching fungus, bacteria, and other microorganisms that can escape from the washable air filter. Washable air filters are not that very effective or efficient and are not recommended for most heating and cooling systems. These three types are washable, fiberglass, and polyester air filters. There are three main types of heating and cooling air filters that are most commonly used in systems. Extremely inefficient air filters have the lower rating and high-efficiency air filters receive the highest ratings. MERV uses a rating scale that ranges between 1 and 16. In regards to indoor air quality, the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) established energy efficiency standards using a rating system that is better known as MERV, or minimum efficiency reporting value. There are different types of air filters available in the market that you can choose from for your Dallas, TX home heating and air system.
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