Every technician you talk to or read about will undoubtedly recommend that you change your filter in your HVAC system as a form of preventative maintenance. What technicians from a Heating Repair Los Angeles company can not come to agreement on is the type of filter to use. The newer model HVAC, Heating, Ventilation and Air Conditioning, units available on the market have the power to work efficiently even under the worst of circumstances but that does not mean you can skip this important step of changing the filter.
At one time there was only one choice in the type of filter that came with your HVAC system. That was a one inch thick fiberglass pad that was relatively so thin that you could see straight through it. The only time it started catching the smaller particles through the air was when it was time to be changed. Now there are choices from panel, electrostatic, pleated, washable and HEPA filters.
A simple panel filter is flat and can protect a simple motor from dust buildup or collecting too much dust and debris that floats through the air. They are not designed to improve the air quality in the home. An electrostatic filter is a great way to not only filter dirt, debris and dust but it also attracts it and sucks it into the filter. The electrons are positively attracted in and the negative attraction sucks them into the rear of the filter to keep it there.
A pleated filter is as thick as a piece of felt and folded back and forth along the panel so as to be able to attract and retain more of the dust floating through the air. They are as efficient as the electrostatic filters. A washable filter is only recommended in smaller HVAC systems like a window or other type of portable unit. As the name implies, you can save money on buying new filters because when it comes time to replace, you simply take out the foam filter and wash it.
At the top of the line for Heating Repair Los Angeles, a technician will recommend a HEPA filter. These filters are capable of removing nearly 100% of the debris that goes through the air. At one time they were only used in hospitals but they are an option for residential uses now as well.
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