How much does it cost to install UV light in an HVAC system?

Sierra Air Conditioning & Plumbing prices UV light installation for HVAC systems after an in-home air quality assessment, and final cost is confirmed on site. The biggest cost driver is the UV application—coil irradiation vs in-duct air treatment—because equipment, mounting, and output differ. Other variables include system size, how easily we can access the coil or duct, and whether electrical power is already available at the unit. We install and service UV lights across the Las Vegas Valley, including homes in Winchester. We also offer a free indoor air quality assessment with same-day service.

Key factors that affect your quote:

• UV type and lamp count (coil-only vs whole-duct, single vs dual lamp)
• Access needs for mounting (clearance, sheet metal modifications)
• Electrical provisions at the air handler (outlet, switch, interlock)
• Replacement interval for bulbs and any add-on IAQ upgrades you choose

Schedule testing so a technician can size the UV system correctly and provide a precise written quote. <br/> Updated: 2026-03-10 <br/> Need help in Winchester, NV? Call (702) 710-9106 or book online.