Do UV Lights Consume a Lot of Electricity?

UV lights are often thought to be power-hungry, but the reality is that they don't consume as much electricity as you might expect. In fact, UV lamps are quite dim, so there is no high-powered draw. On average, it costs around 7 cents a day to operate a germicidal UV lamp inside your HVAC system. So, do UV lights use a lot of electricity? The answer is no. The amount of electricity consumed by a UV light depends on the wattage of the bulb.

A 100 W UV bulb typically uses about 0.5 kWh of electricity per year. This is a small amount, making it an economical investment. To get the most out of your UV bulb, look for one that is an “Energy Star” product. The CIE 1931 xy and CIE 1976 u'v' coordinates for both the blackbody locus and the daylight locus can be found by 10K increments. The xy coordinates of CIE 1931 can be approximated using color temperature (CCT).

Simply enter the CCT value into an online calculator to get the coordinates. The color rendering index (CRI) is a metric used to measure color accuracy and fidelity. It is calculated as an average score of 8 cm. To learn more about lighting applications and color science, explore our collection of articles, instructions, and guides. Our chandelier-style LED bulbs offer a soft, warm light output in a decorative bulb style that fits E12 lamps. BR30 lamps are ceiling lamps that fit residential and commercial luminaires with openings of 4 inches or wider.

Replace 4-foot fluorescent lamps directly with our T8 LED tube lights, compatible with and without ballasts. Pre-wired LED tube luminaires compatible with our T8 LED lamps are also available in 2 and 4 foot lengths. We offer several types of LED lights for various applications. Connects to standard wall outlets and is mounted with screws or magnets. Ceiling lights with hanging chains are also available.

We offer 365 nm and 395 nm LED lights for fluorescence and curing applications, as well as 270 nm UV-C LED lights for germicidal applications. Bright LED emitters mounted on a flexible circuit board can be cut to size and installed in a variety of locations. Dimmers and controllers are available for adjusting the brightness and color of the LED strip lighting system. Power supplies are needed to convert line voltage to low voltage direct current for LED strip light systems. Extruded aluminum channel profiles are used for mounting LED light strips. The photons in different types of light have different energy concentrations.

The photons in infrared light don't have enough energy to remove electrons and create an electrical flow, while the photons in UV light have too much energy; they can still create an electrical flow but a lot of energy is wasted in the form of heat. This heat heats the panels, which decreases their efficiency.UV bulbs emit wavelengths between 290-315 nm (UVC or UVB). Visible light makes up ten times more of the light that reaches Earth than ultraviolet light, so it's not reasonable to use panels that transform UV light into energy when visible light will always be an option. In fact, because of its higher wavelength, UV light contains even more energy per photon than visible light. Infrared light has a shorter wavelength than visible light and therefore contains less energy per capita.

Solar panels that transform UV light into energy could be used on the bright side of the Moon, but this isn't very efficient due to its lower concentration of photons (4% compared to 43%). UVA bulbs emit wavelengths between 315 and 400 nm, while visible light bulbs emit wavelengths between 400 and 700 nm. Visible light makes up most of the light that reaches Earth and has a higher concentration of energy than infrared (which also makes up an important part of the light that reaches Earth). But because it makes up such a small percentage of the light that reaches Earth, it's still not as efficient an option as visible light. UV panels have an efficiency rate of 16% when converting UV light to energy; this is about the same as that of an average visible-light solar panel. In conclusion, while UV lights may seem like they would consume a lot of electricity due to their high-energy photons, they actually don't use much electricity at all.

The wattage determines how much electricity they use; typically 100 W bulbs use about 0.5 kWh per year. This makes them cost-effective investments for many applications.

Jared Whitesinger
Jared Whitesinger

Infuriatingly humble music evangelist. Incurable tv scholar. Hipster-friendly food buff. Subtly charming twitter scholar. Wannabe zombie evangelist.