As indoor air quality becomes a growing concern, Utah homeowners are looking for effective ways to clean the indoor air. UV lights in HVAC systems have risen in popularity over the last decade, thanks to the effectiveness UV lights have at killing microbial buildup on air filters, drain pans, cooling coils, and duct surfaces in the home.

At Authority Heating and Cooling, we want to be sure our customers have the right information. We have attended additional training and seminars on UV lights and indoor air quality. Drawing on scientific studies and expert opinions, we’ll examine the benefits, challenges, and practical implications of UV lights in HVAC systems and if they are effective or not. 

UV lights in HVAC system

Understanding the Role of UV Lights in HVAC Systems

How do UV lights work in HVAC systems?

UV lights emit a specific wavelength, invisible to the human eye, eliminating harmful microorganisms such as bacteria, viruses, and mold spores in the air. When installed correctly within HVAC applications, these lights treat the air passing through the system, significantly improving indoor air quality.

The UV light’s germicidal properties ensure cleaner, healthier air and prevent the buildup of organic material on the HVAC components. This buildup can decrease system efficiency and shorten its lifespan. By eliminating this issue, UV lights help maintain optimal HVAC performance while reducing the need for frequent maintenance and repairs.

Effectiveness and Efficiency of UV Lights in HVAC Systems

We have found that UV lights improve air quality, reduce energy consumption, and improve system longevity. Keeping the coils clean facilitates better airflow and reduces the system’s strain, lowering energy use and cost savings.

The Science Behind UV Lights in HVAC Systems

Ultraviolet radiation, a potent germicidal agent, and the HVAC system’s airflow dynamics work together to sterilize the air within a home or business. UV light technology utilizes the germicidal properties of UV-C light to inhibit microbial growth and significantly improve indoor air quality.

UV-C light emitted at a wavelength of 253.7nm is lethal to most microorganisms. When the microorganisms in the air pass through the HVAC system, they are exposed to this UV-C light. The light penetrates their cell walls and disrupts their DNA, rendering them incapable of reproducing and ultimately leading to their death.

Reducing microbial growth prevents biofilm buildup on the HVAC components, which can decrease system efficiency. It also helps maintain a healthier indoor environment by reducing the concentration of airborne pathogens.

Maintenance and Safety Tips for UV Lights in HVAC Systems

UV lights should be installed correctly to maximize their effectiveness. Hire our team of professional HVAC installers to handle the UV light installation process. We follow a strict protocol to ensure the system is functioning correctly and will effectively kill mold, bacteria, and other pathogens.

UV lights are typically installed near the HVAC system’s evaporator coil, where bacteria and mold are most likely to grow.

Over time, UV lights lose their intensity and require replacement in the future. At Authority Heating and Cooling, we check the UV light system to test its intensity and will replace it as necessary.

We recommend professional installation of UV lights in HVAC systems as direct exposure to UV light can cause skin burns and eye injuries.

Frequently Asked Questions

How Does the Installation of UV Lights in HVAC Systems Affect Its Overall Cost?

There is an installation cost for the UV lights as we will need to cut a portion of the air duct and place the UV light in the system, then we will seal it up to prevent air leaks from occurring. We do run several promotions throughout the year to keep the installation of UV lights in HVAC systems lower. Consider enrolling in the Authority Club to reduce overall costs for your HVAC maintenance needs.

Can UV Lights in HVAC Systems Help in Reducing Utility Bills?

UV lights in HVAC systems can contribute to energy savings. Annual maintenance is the best way to ensure the UV light is emitting the right intensity and will destroy any mold, bacteria, and pathogens.

What Is the Lifespan of UV Lights in HVAC Systems and When Should They Be Replaced?

The lifespan of UV lights in HVAC systems is influenced by factors such as UV maintenance, light intensity, UV positioning, lamp quality, and installation challenges. Typically, manufacturers recommend replacing UV-C lights every 9,000 hours or about every 12-24 months.

Are There Any Health Implications Associated With the Use of UV Lights in HVAC Systems?

While effective in improving air quality, UV lights in HVAC systems may pose UV exposure risks, potentially triggering allergenic reactions and skin sensitivity in some people. Eye protection is necessary during maintenance to prevent long-term health effects.

Can UV Lights Be Installed in Any Type of HVAC System or Are There Specific Models They Are Compatible With?

UV lights can be installed in most HVAC systems. However, UV compatibility, installation challenges, and system adjustments can vary. Regular UV maintenance is crucial, and different UV brands may offer varying levels of effectiveness.

Improve Utah Air Quality with UV Lights

If you are tired of sneezing, worried about mold, or concerned about the overall quality of the air you are breathing, contact Authority Heating and Cooling today for proper UV light installation.