UV Light Air Purification Systems

How does a UV light system work in HVAC?

UV-C light at 254 nanometers disrupts the DNA of mold, bacteria, and viruses, preventing them from reproducing. Installed in your air handler, a coil lamp treats the evaporator coil surface — where mold thrives in NC's humid climate — continuously. An airstream lamp treats the air as it moves through the system.

Are UV lights safe for my family?

Yes. The UV-C light is fully enclosed inside your air handler — you're never directly exposed to it. UV-C light at those wavelengths is harmful to eyes and skin with direct exposure, but the housing of the air handler provides complete shielding during normal operation.

How often do UV bulbs need to be replaced?

Every 12 months. UV-C bulbs lose 40%+ of their germicidal effectiveness after a year of operation even if they're still visibly glowing. We can include UV bulb replacement in your annual fall maintenance visit so it never gets overlooked.

Will a UV light work with my current HVAC system?

UV systems can be installed in virtually any air handler that has an accessible coil section. We verify equipment access and recommend the right unit and positioning during a service visit. Most installations take 1–2 hours.

Is a UV light system worth the cost?

For NC homes — where summer humidity creates persistent mold growth conditions — a UV coil light is one of the most effective IAQ investments available. It works continuously without any ongoing effort beyond an annual bulb change. The installed cost ($300–$600) is usually recovered in reduced coil cleaning requirements and improved respiratory comfort within a year or two.

What's the difference between a coil UV lamp and an airstream UV lamp?

A coil lamp shines continuously on the evaporator coil surface, preventing mold from growing there — this is the most important location in most NC homes. An airstream lamp is positioned in the air duct where it treats moving air — it kills organisms that pass through but has limited contact time. For most homes, starting with a coil lamp delivers the most impact.