Consider Whole-House Air Cleaning for Truly Healthy Air Quality

dirty hvac filter

If your home has special air-quality concerns, don’t make the mistake of concluding that changing your air filter on a regular basis will be enough to clean the indoor air. The standard air filter in your forced-air, central cooling or heating system likely is only sifting out the largest airborne particulates, unless you’re using a high-efficiency air filter.

Smaller contaminants, including some bacteria, viruses and mold spores, probably are blowing through the filter into the ducts and eventually into the rooms of your home.

In homes with family members or other occupants who suffer from respiratory ailments and allergies, this can be a serious health hazard.

More and more, homeowners worried about their indoor air quality are using whole-house air cleaning to supplement the basic filtration accomplished by a furnace, AC or heat pump filter.

Standard Air Filtration May Need Some Help

In a common residential HVAC system, a flat-panel air filter fits into a slot between the furnace (or other main equipment) and the “return” ductwork. A powerful fan draws air through the filter into the appliance, where it gets heated or cooled, then blown out into the home through ductwork and registers.

The density of the filtration media in the filter will determine what percentage of airborne particulates it will capture, but if the filter is too dense, it will reduce airflow.

While high-efficiency filters will remove the vast majority of contaminants, they suffer from a negative side-effect: They impede the flow of air into your HVAC system, which can result in negative outcomes.

For example, if air isn’t flowing smoothly through your forced-air system, the equipment will have to work harder to achieve the desire temperature. This wastes energy, stresses the equipment, and may result in an imbalance in heating or cooling from one room to another.

A Whole-House Air-Cleaning System May Be the Answer

While a home’s central heating and air conditioning system can be modified to accommodate a high-efficiency air filter, many homeowners instead are deciding to install a whole-house air cleaning system.

The best air-purifying systems work hand-in-hand with the HVAC system to clean indoor air, employing several different technologies. They include but are not limited to

  1. high-efficiency (HEPA) filtration,
  2. ionizing purification and
  3. ultraviolet light radiation.

An effective whole-house air cleaner can neutralize or remove up to 99 percent of airborne particulates.

Your trusted HVAC contractor can help you decide which strategy will work the best in your home, at a cost you can afford.

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