UV Light Installation for HVAC | Cal Duct Cleaning

What's Included

Complete HVAC system assessment
UV-C germicidal light unit
Professional installation by licensed technician
Optimal placement for maximum effectiveness
System testing and calibration
1-year warranty on parts and installation
Maintenance instructions and support

Why UV Light Installation Matters

Your HVAC system's evaporator coil is a breeding ground for mold and bacteria. The dark, damp environment inside the air handler is perfect for biological growth that gets circulated throughout your home every time the system runs. UV-C germicidal lights destroy these organisms on contact.

UV lights also keep the evaporator coil clean, which improves HVAC efficiency by up to 35% and extends equipment lifespan. For families with allergies, asthma, or respiratory concerns, UV lights provide an extra layer of protection that air filters alone cannot match.

Our 5-Step Installation Process

1

HVAC Assessment

We inspect your HVAC system to determine the best UV light type and optimal placement for maximum germicidal effectiveness.

2

Select Optimal Position

Based on the assessment, we identify the ideal installation point — typically near the evaporator coil or in the return air duct for full coverage.

3

Install UV Unit

The UV light unit is securely mounted and wired into the HVAC system. Installation is clean and non-invasive — typically completed in under an hour.

4

Test & Calibrate

We power on the system, verify the UV light is operating at the correct wavelength, and confirm proper positioning for full coverage.

5

Explain Maintenance

We walk you through how the UV light works, when to replace the bulb (typically annually), and answer any questions about your new system.

Our Work

Service Area

We install UV lights in HVAC systems throughout the San Francisco Bay Area, including:

San Jose Campbell Sunnyvale Cupertino Mountain View Palo Alto Redwood City Santa Clara Belmont San Mateo Milpitas Fremont Oakland San Francisco San Rafael Santa Cruz Gilroy Morgan Hill

Frequently Asked Questions

How do UV lights work in HVAC systems?

UV-C germicidal lights emit ultraviolet radiation at a wavelength of 254 nanometers, which destroys the DNA of microorganisms like mold, bacteria, and viruses. Installed inside your HVAC system near the evaporator coil or in the return duct, the UV light sterilizes air as it passes through, preventing biological growth and improving air quality.

What are the health benefits of UV lights in HVAC?

UV lights reduce airborne mold spores, bacteria, and viruses circulating through your home. This can help reduce allergy symptoms, asthma triggers, respiratory infections, and musty odors. They are especially beneficial for households with allergy sufferers, elderly family members, young children, or anyone with respiratory conditions.

How long do HVAC UV lights last?

UV-C bulbs typically last 9,000 to 14,000 hours, which translates to about 1 to 2 years of continuous use. We recommend annual bulb replacement to maintain optimal germicidal effectiveness. The housing unit itself lasts 10+ years.

Will UV lights work with my existing HVAC system?

Yes. UV germicidal lights are compatible with virtually all residential HVAC systems — central air, heat pumps, and forced air furnaces. During our assessment, we determine the best placement for your specific system to maximize effectiveness.

Do UV lights increase energy costs?

UV lights use very little electricity — about the same as a standard light bulb (15-40 watts). The energy cost is minimal, and they actually save money by keeping the evaporator coil clean, which improves HVAC efficiency and reduces strain on the system.

UV Light Installation — Cleaner Air for Your Home