Uv Light In Hvac Effectiveness

But only certain uv lights can be used in air purification.

Uv light in hvac effectiveness.

Uv lights are in the news because of the pandemic but the technology is over 100 years old. When properly installed and maintained within an hvac system uv lights increase the quality of air in buildings. The uvgi light operates within the uv c spectrum which is the effective wavelength spectrum for germicidal efficiency. Ultraviolet lights specifically germicidal uvc.

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 light penetrates at 254 nanometers wavelength penetrates the nucleus and destroys the nuclei of the mold and bacteria rendering it unable to reproduce and useless. Uv lights for your hvac will not alleviate your symptoms caused by allergens since dust as well as dead fungi will still be present.

Uv lights are particularly effective in humid climates where evaporator coils can easily get wet. Experts believe that improvements to hvac units and the addition of uv lights at the office or at the home can help in the fight against covid 19. There are a couple different set ups for the uv lights in the hvac system. Shortwave radiation uv c is emitted from these systems and is most effective at killing mold bacteria and viruses.