Do HVAC UV lights really work?
Do HVAC UV lights really work?
Germicidal or UV lights for HVAC systems are used to kill the DNA of germs, viruses, mold spores, bacteria and fungi as they pass through the air handler system. A strategically placed UV light is very effective at killing close to one hundred percent of these harmful pollutants.
Does UV light damage HVAC?
The lamp only affects whatever is directly in its line of sight. However, it is worth noting that UV lamps can impact the actual HVAC system. When you install a UV lamp, you need to stabilize plastics and make them resistant to ultraviolet light, or the lamp can destroy those plastics.
Do you need UV light for HVAC?
Having UV lights installed in your HVAC system may seem at first unnecessary. UV lights cannot only help keep germs, bacteria, mold, mildew, and viruses out of your ducts, they allow your system to perform at its best and keep energy bills low too.
Where is the best place to install a UV light in HVAC?
The air handler is usually the best location to install a UV Light. While usually mounted in the air handler they can also be mounted at other locations. All the air in an HVAC system will flow through the air handler making an ideal location.
Are UV systems worth it?
If you or someone in your home has respiratory issues, then investing in a top-notch UV filtration system for your HVAC system is absolutely worth it. UV filtration systems can inactivate a variety of viruses, bacteria and other harmful microbes like mold.
How long do UV lights for AC last?
5,000 to 9,000 hours
It is imperative that UV-C lamps are replaced on a regular basis. The germicidal UV-C lamps have a useful average life of 5,000 to 9,000 hours. Useful life means that during this time the lamp is operating at an optimal output level for neutralizing mold, fungus, bacteria and viruses.
What is the disadvantage of using UV light?
The downsides of UV light. Spending a lot of time in the sun means intense radiation. This can damage your skin and eyes if you don’t protect them from the sun and wear good sunglasses with UV protection. Chronic eye damage caused by UV radiation cannot be treated.
What size UV light do I need for my HVAC system?
If the lamp wattage is divided by the square footage of the coil surface (80/10.76) = 7.43, it’s seen that about 7.5 lamp watts per square foot of coil surface area will meet the recommendations. This then provides a simplified way to properly size future UV installs for most any coil, large or small.
Can you install UV light in return duct?
Lamps can be installed either in the main supply or return duct of a central heating or air system. UV lamp systems can also be placed in the return air ductwork to clean the air as it passes through the system.
Can I install a UV light in HVAC?
Homeowners can purchase standalone, portable UV light units for installation anywhere in a home or office. They also can install UV lights in HVAC systems. Such UV lights come in two basic types: Air sterilizers.
What are the benefits to humans of UV light?
Benefits. Beneficial effects of UV radiation include the production of vitamin D, a vitamin essential to human health. Vitamin D helps the body absorb calcium and phosphorus from food and assists bone development. The World Health Organization (WHO) recommends 5 to 15 minutes of sun exposure 2 to 3 times a week.
How do UV germicidal lights help my home?
Is UV Germicidal Light Safe? Reduced germs in your house. The germicidal UV light produces a high light intensity. Boosts the performance of HVAC. Killing germs in your ductwork helps remove harmful components from the air ensuring that you don’t inhale them. It’s flexible which makes it easy to install. There don’t discharge ozone emissions. Low priced requirements.
How do UV lights for HVAC units work?
In most residential cases, an HVAC company will install the UV light near the coils to prevent mold or bacteria growth as air passes through. Since all of the air passes through the coils, this also kills growths in the air. UV lights are particularly effective in humid climates, where evaporator coils can easily get wet.
Are HVAC UV lights safe?
There are several benefits to installing UV lights in your HVAC system: UV germicidal lights can be a safe, effective way to improve your indoor air quality in Columbia, TN.
What is germicidal ultraviolet light?
What is germicidal ultraviolet? UV-C light is germicidal – i.e., it deactivates the DNA of bacteria, virus and other pathogens and thus destroys their ability to multiply and cause disease. Specifically, UV-C light causes damage to the nucleic acid of microorganisms by forming covalent bonds between certain adjacent bases in the DNA.
