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

The cost to install a UV light in an HVAC system is confirmed after an in-home assessment because price depends on lamp type, placement, and how your equipment is built. The biggest driver is whether the goal is coil disinfection (single or dual lamp at the evaporator) or whole-duct air treatment, since that changes parts and labor.

We routinely install UV solutions in the Fenton area and begin with a thorough IAQ assessment to size, locate, and integrate the lamp with your existing system. Many IAQ installs we perform include multi-year labor warranty coverage, and we offer free installation estimates for UV upgrades.

What affects final price:

• Coil-only vs. whole-duct UV, and single vs. dual lamps
• Need for an access panel, safe mounting, and a service switch
• Electrical availability, ballast/controller type, and UV bulb lifespan
• Add-ons like filtration upgrades or coil cleaning before install

A tech insight: on older air handlers, fabricating a clean, serviceable access point can take more time than wiring. If you see active mold on the coil or pan, treat sooner rather than later to prevent spread. Schedule an IAQ assessment to receive a firm quote and confirm the right UV setup for your system.

Updated: 2026-03-10

Need help in Morrice, MI? Call (810) 750-8100 or book online. "Great service. Super friendly!" — Jennifer R.