UV Lights in Your Ductwork Improve Indoor Air Quality

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Homeowners concerned about indoor air quality, namely bioaerosols like bacteria or mold, should consider using ultraviolet (UV) lights in their ductwork.

UV lights target bioaerosols, a specific class of contaminants that include microorganisms, and some odors. Learn how these lights work to improve air quality and give your HVAC system’s efficiency a boost.

The two primary benefits UV lights offer include driving indoor air quality up while protecting the heating and cooling system from contaminants. Ultraviolet lights installed in the ducts work with the HVAC system to purify the air. As the heating or cooling system conditions the air, the air flowing out the return-duct system moves through the lights. The cells of the microorganisms are exposed to the powerful UV rays, which essentially sterilize the cells, rendering them incapable of reproducing. Cleaner air then circulates through the home and the HVAC system.

Air circulation in the average home depends on the furnace blower or air handler running. The more often it runs, the more often the air will move through the system and be exposed to the UV lights. On average, in most homes, air circulates through the HVAC system 75 times each day. With every pass through the lights, more and more viruses, mold spores, bacteria and odors will be destroyed. Homeowners who run a ventilation system throughout the day can ensure 7 Days a week air circulation without having to also run the furnace or air conditioner to purify the air, as the ultraviolet lights are active at all times.

Isn’t the air filter installed in my HVAC system enough? Not necessarily. Air filters are designed to trap particles, not microorganisms. With ultraviolet lights installed in the ducts, you can also target mold and pollen, pet odors, viruses and bacteria.

For more information about UV lights and whether they might improve your home’s indoor air quality, contact the pros at Apollo Home Heating, Cooling and Plumbing. We’ve been serving homeowners in greater Cincinnati since 1910.

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"Ernie & Mike did a superb job on my new furnace and A/C installation. Despite having more than a day’s work to do, they came in and stayed until the job was done. They were organized, efficient, and protected the rest of the house well. Got both furnace and A/C installed the same day. Ernie was courteous, informative, and clearly knew his job better than anyone I’ve encountered before. The units look so good guests now get The Tour of our new system. Apollo is clearly not a fly-by-night company. I would recommend them to anyone in need of a new furnace and/or A/C."
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- Randy B.
"We scheduled an estimate AND a tune-up. We knew something was wrong with our furnace, but hoped we could make it through the rest of the season. Upon telling Bill what our furnace was doing, he warned us immediately what the possible outcome was going to be; a cracked heat exchanger. He watched the flames roll backward, tested carbon monoxide levels, which were so high they meter’s last reading was 5,600 before saying “high”. He immediately shut it down, tagged it, and explained that with levels that high and children in our home he wanted off right away. He continued his inspection and showed us via a camera that not only was it cracked in multiple places, but had holes all over it. He gave us a few options for repairing it; his knowledge as well as genuine concern was beneficial and refreshing. Luckily we also scheduled an estimator, Micah, to come too and we were able to get costs between repairing and replacing (with several options). We decided to replace with a much higher efficiency furnace and one sized properly to our home. Hands down, not only did they both provide us great service and knowledge, but without sounding dramatic, they may have saved our lives. This was our first time calling Apollo, but it won’t be our last."
- Sarah B.
"Apollo is an excellent company. I always receive great service. Alex A. was professional and friendly. He kept me informed during the process of checking my furnace and heat pump to make sure they were working properly. The company makes sure you are notified who is coming and when they are on the way. All my interactions with the company have been wonderful."
- Beverly S.



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