Types of air conditioner filtersYou should change your air conditioner filters every 2 or 3 months, but this depends on how often you use your system. You should wait for dust to accumulate because then, you’ll be breathing a polluted air. In addition, an air conditioner system will use more energy if the filters are full of dust.
Mechanical air filters
This is the most common filter used in homes. It uses synthetic fibers to retain any debris and dust from the air. Charcoal filters also use mechanical methods to get rid of debris in the air.
Disposable fiberglass air filters come in 2 sizes: 1 and 2 inches. This usually refers to the thickness of the filter. This is the more economical filter out there, but it’s also the less effective.
Pleated air filters
This type of filters remove about 35-40% of the air pollutants at home. They are more effective than mechanical filters because of the thickness of the filter. The more fibers the more effective.
Electronic air filters
This is the most expensive air filter for air conditioner systems. It is also the most effective. Electricity is used to trap any debris, dust or odors from outside.
Electronic air filters can last up to 6 months. It is usually packed with a pre-filter, to attract larger debris. Although it’s very effective, it is said to produce dangerous ozone substances.
Electronic air filters are the best for those who suffer from allergies.
These filters can be classified by their MERV ratings. A MERV 7 filter traps large particles and is less effective. MERV 8 filters are for those with pet animals and with dust and pollen allergies. The best one is MERV 11.
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