Are UV Lights Worth It?

Do humans need UV light?

Some UV radiation is essential to the body as it stimulates the production of vitamin D.

Vitamin D has an important function in increasing calcium and phosphorus absorption from food and plays a crucial role in skeletal development, immune function and blood cell formation..

How often should UV lights be replaced?

every 9000 hoursTypically, a UV lamp being used primarily to disinfect the air circulating through a home or small office should be replaced every 9000 hours or approximately every 12 months.

Are UV lights harmful to humans?

In addition to skin cancer, exposure to UV rays can cause other health problems: … Exposure to UV rays can cause premature aging of the skin and signs of sun damage such as wrinkles, leathery skin, liver spots, actinic keratosis, and solar elastosis. UV rays can also cause eye problems.

How much do UV lights cost?

The cost of UV lights depends on the type of system that you choose. On average, the most common types for air ducts and coils UV lights can cost anywhere from $80-$125. The lower- cost ones use one lamp, and the higher, two. The air sterilizing UV lights usually include an additional air filter.

What is the most dangerous UV radiation?

Short-wavelength UVC is the most damaging type of UV radiation. However, it is completely filtered by the atmosphere and does not reach the earth’s surface. Medium-wavelength UVB is very biologically active but cannot penetrate beyond the superficial skin layers.

What is the best UV light sanitizer?

Steri Wand Sanitizing Light.Munchkin Portable Electric UV Sanitizer.Homedics UV-Clean Phone Sanitizer.HomeSoap.Larq Self-Cleaning 17 oz Water Bottle.SteriPen American Red Cross UV Water Purifier.Dazzlepro Electric Toothbrush with UV Sanitizing Base.Uncommon Goods Self-Sanitizing Water Bottle.More items…•

Where is the best place to install a UV light in HVAC?

The best location to install a UV light if in the A-shape is above, center, and downstream of the coil. This allows the A/C ultraviolet light to shine the most amount of light on the coil, while killing some of the airborne microbes. The second best location is below the evaporator coil (if there is room).

Are UV lights safe to look at?

UV lamps produce light radiation from ultraviolet through visible to infrared radiation. The biggest hazard comes from the UVR. UVR cannot be seen and is not felt immediately, but it is harmful to both the eyes and skin. The user may not realize the danger until after the exposure has caused damage.

Does UV kill mold?

The short wavelengths of UV light allow for mold to be destroyed as well. UV light has proven to be highly effective at killing mold because the entirety of the environment where the lamp is being used is blanketed by the light, which allows for the whole area to be disinfected.

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.

Are UV sanitizers safe for phones?

“These kill microbes quickly,” Schmidt says of UV sanitizers. “But when your device comes out, it’s only as safe as its last encounter.” In other words, using the UV light sanitizer doesn’t license you to get dirty and ignore possible new germs on the phone.

What does a UV light do for HVAC?

UV lights reduce the contaminants that build up in your ductwork, which causes your system to work harder. When you install UV lights in your HVAC system, they clear the buildup and improve airflow. In addition to improving your airflow, maintenance costs will also go down.

Does UV light stay on all the time?

Depending on which model you went with your UV light bulb will be running constantly. For example, UV lights fitted in the air handler will be on all the time. In contrast, those placed inside the ductwork will only need to be on when the AC is running.

How much is a UV light for HVAC?

Well, the cost to install a UV light for an HVAC system can cost anywhere from $450 to $700+ in the Denver area. The main factors that will affect your overall cost include: The specific wavelength the UV light emits.