UV Lights: When Do You Change the Bulb?

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Your home is your private sanctuary where you relax after a long day, enjoying time with family and friends. It’s that place where you should always feel safe and secure. But what you may not expect is the often unseen dangers that could be lurking throughout your home. Fungus, mold, bacteria, germs and viruses can cause numerous health issues that threaten to destroy your indoor air quality. Otherwise healthy people can fall ill when exposed, but such pollutants are especially harmful for those who have allergies or respiratory problems like COPD. Luckily, you can fight back and stop these insidious contaminants in their tracks with the aid of UV lights.

How Do UV Lights Work?

Harmful microorganisms tend to collect within the HVAC system, particularly in the moist environment where the coil is. When your HVAC system is in use, these contaminants can be distributed throughout your home. Additionally, the buildup of microorganisms hinders airflow, putting added strain on the heating and cooling system.

Though a UV light’s wavelength is unseen by the human eye, it seeks to kill the contaminants in its path. UV systems are installed within your HVAC system. The type you choose depends on your needs. HVAC components are kept safe with a single-lamp system, while airstream disinfection is optimized with a two-lamp system.

UV Light Bulb Care Tips

  • You should replace your bulbs annually if anyone in your home has respiratory problems or other acute sensitivities.
  • If your UV light system is only used to keep your HVAC system clean, then you can wait up to two years to replace the bulbs.
  • A UV light system loses all of its effectiveness at three years. If you haven’t replaced the bulbs before then, the system should be turned off to avoid energy waste and system failure.

For more advice on UV lights and other related topics, please contact us at Apollo Home Heating, Cooling and Plumbing. We’re proud to say that we’ve been serving the greater Cincinnati area since 1910.

"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."
- Jerry A.
"I called Apollo because of a water leak I thought I had in our upstairs shower going into the kitchen. Robbie came and assured me everything was fine & looked at all the other plumbing. He ended up changing a few pipes for our washer & clearing a drain. He was very nice & knowledgeable with all my questions. I ended up signing up for the care plan & was very happy with my service."
- Cassandra B.
"The team at Apollo exceeded my expectations. As a business owner, my attention to the details and commitment to providing excellent service is high. From the sales rep. to the installation team, everyone’s performance was outstanding. For example, the installation team went to great lengths to protect our floors, placing floor runners and across the wood floors and up the stairs. They even were spot washing walls upon their departure. I highly recommend this company."
- 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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