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

The cost to install a UV light in an HVAC system varies by home and equipment, and Parrish Services provides final pricing after an on-site evaluation. The biggest driver is the UV setup itself (single-lamp coil sterilization vs dual-lamp or whole-home air treatment), followed by how the lamp mounts in your air handler and whether a new power tap is needed. Our Northern Virginia technicians often see price differences based on access to the air handler in homes around The Plains, and tight attic or crawl spaces can add labor. A well-placed coil UV usually targets mold where it starts; whole-home options pair with filtration for broader air treatment.

Main cost drivers include:

• UV type and lamp count
• Mounting location and system size
• Electrical access or added transformer
• Add-ons like filters or air cleaners

Ask for a brief in-home assessment so the UV is sized correctly and placed for real coil coverage.

Updated: 2026-03-13

Need help in The Plains, VA? Call (571)-650-1016 or book online.