The Most Common Air Filtration Myth in Des Peres, MO

Many well-meaning homeowners in Des Peres, MO fall for a common air filtration trap. The most expensive, highest-rated air filters are not necessarily right for your home. In fact, some high-end filters are detrimental to your HVAC system. Here’s a look at why boosted filtration is not always best.

The Function of Air Filters
One or more air filters are likely connected to an indoor air handling device in your Des Peres, MO basement. The air filter removes dust and debris from the return air before it is conditioned, blown, and recirculated back to your supply ductwork. Removing airborne contaminants protects the mechanical components and surfaces of your blower, evaporator coil, and heat exchanger. It also reduces the amount dust in the interior air you breathe and lessens the amount that settles on your household surfaces. To learn more about what is best for your Des Peres home call Hoffmann Brothers at (314) 664-3011

An Air Filtration Warning
Before you invest in the ultimate air filter with the highest minimum efficiency reporting value (MERV), remember two important facts in your efforts to achieve the cleanest air. First, indoor air quality has several contributors. Second, your HVAC system is designed for a given filtration level.

Allergy sufferers know dust mites, pollen, pet dander, and mold spores aggravate their symptoms. But these contaminants lurk in upholstery, carpets, and bedding in addition to the air. Changing the sheets, regular vacuuming, cleaning the carpets, and removing footwear inside your Des Peres home often provides relief.

Your HVAC manual or installer can provide details on the recommended filtration level for your heating and cooling system. If Hoffmann Brothers installed your equipment, contact us for more information on your air filters. Exceeding the rating only taxes your equipment. A large pressure drop occurs across highly-rated filters. Their small pores restrict airflow and reduce system efficiency. Your blower needs to work hard to overcome the resistance and still supply maximum airflow. Reduced airflow makes your home less comfortable and can actually make your air quality worse. To learn more about air filters and what is best for your Des Peres home, call Hoffmann Brothers at 314-664-311

Bottom Line in Air Filtration
Now, the myth is busted. An expensive high MERV filter is undesirable if it exceeds the rating of your HVAC system and reduces airflow. Replacing your compatible air filter at regular intervals is a much better strategy. It’s one of several ways to improve your indoor air quality. Call (314) 664-3011 for an indoor air quality audit. Hoffmann experts know the healthiest air filtration approach for your HVAC system and your family in Des Peres.

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