What Kind of UV Light is Used in HVAC Systems?

The UV lights installed in HVAC systems are Ultraviolet germicidal irradiation lights, the kind being used to kill COVID-19 in tests being conducted. The CDC warns that lights are more or less effective based on their UV intensity and the amount of time the contaminated surface is exposed to the light. Since HVAC UV germicidal irradiation lights are on full-time in most cases, the dose is considered extremely high.

UVC Lighting

WARNING:  Only install UVC lights in metal air ducts and replace all non metal hardware items within the range of the UVC light”

  • UVC deteriorates non ferrous materials, plastic ties, plastic screws etc.

     Therefore replace exposed items with stainless steel products.

  • UVC light accelerates metal corrosion, periodically inspect all metal parts.

DANGER: Turn OFF UVC power before all inspections!!

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