Taunton, MA UV Air Sanitizer Services
HVAC, Electrical & Plumbing Services Serving Taunton and Surrounding Areas Since 1948
Choose Boston’s Home Team! Keeping Your Business Comfortable Is Our Priority
Over 75 Years In Business We Have The Experience You Can Trust.
If you suffer from health issues caused by germs and viruses, you may want to consider a UV air sanitizer. Cotti-Johnson HVAC, Inc. is the go-to indoor air quality company in Taunton and Raynham, MA. We have over 75 years of experience, and our team is dedicated to providing high-quality work at honest prices.
Germicidal UV Lamp vs. Coil UV Light Applications In Taunton & Raynham, MA
UV air sanitizers typically use one of two main types of applications: germicidal lamps or coil UV lights, each designed for different purposes.
Germicidal UV Lamps are installed in the ductwork and focus on sanitizing the air as it passes through the HVAC system. Their main job is to kill airborne pathogens like bacteria, viruses, and mold spores before the air circulates through your home.
Coil UV Lights, on the other hand, are installed near the evaporator coils of your HVAC system. These lights continuously shine on the coil surface to prevent mold and biofilm buildup, which can reduce airflow, efficiency, and air quality.
In short, germicidal lamps treat the air, while coil lights keep HVAC components clean—and many systems benefit from using both for complete protection.
Our duct cleaning service can improve your indoor air quality and reduce strain on your HVAC system. Call us for more information.
Benefits of Installing an HVAC UV Light for Ultraviolet Disinfection in Bristol & Plymouth Counties
Installing an HVAC UV light offers many benefits for health and your HVAC system. Here’s what you need to know.
- Kills Airborne Pathogens: UV light neutralizes bacteria, viruses, and mold spores, reducing the spread of illnesses and allergens through your home’s air.
- Improves Indoor Air Quality: With fewer microbes and contaminants in the air, you and your family breathe cleaner, healthier air.
- Prevents Mold and Mildew in HVAC System: Coil-mounted UV lights stop mold from forming on the evaporator coils and drain pan, where moisture tends to collect.
- Reduces Allergens and Asthma Triggers: By targeting airborne mold and other allergens, UV lights can help reduce respiratory irritation and allergy symptoms.
- Increases HVAC Efficiency: Keeping the coils clean from microbial buildup improves airflow and system efficiency, which can lower energy costs.
If your air ducts have seen better days, call Cotti-Johnson HVAC, Inc. and ask about our expert duct repair services.
UV Air Purifier Bulb Replacement Schedule
UV light bulbs in HVAC systems are essential for maintaining indoor air quality, but they don’t last forever. Over time, their effectiveness at neutralizing airborne germs and mold diminishes—even if the bulb still appears to be glowing. Here’s a typical UV bulb replacement schedule to ensure your system performs at its peak.
Standard UV-C bulbs should be replaced once every 12 months.
High-output or commercial-grade bulbs may last up to 18–24 months, but it’s still recommended to inspect them annually.
Manufacturers often provide specific lifespan estimates, so always check your system’s manual or labeling to see whether it’s time for UV air sanitizer replacement from Cotti-Johnson HVAC, Inc.
Here are some of our current limited time offers, call for additional details. All specials are subject to availability, some terms apply, some terms based on credit approval. Offers cannot be combined.
- FAQ's
- What is the difference between a germicidal UV lamp and a coil UV light?
- A germicidal UV lamp is installed in the ductwork to treat air passing through the system, while a coil UV light shines on the evaporator coil to prevent mold and biofilm buildup. Cotti-Johnson HVAC installs both types in Taunton, Massachusetts. Many systems benefit from using 2 lights for air and coil protection.
- Should an HVAC UV light always be on?
- Coil UV lights are usually designed to stay on continuously so they keep the coil surface clean, while some air-treatment lamps run only with the blower. Cotti-Johnson HVAC sets up UV systems in Taunton homes according to the manufacturer's design. Constant operation is common because coils stay damp for hours after cooling cycles.
- Is UV light in HVAC systems harmful?
- UV light inside a properly installed HVAC system is enclosed and shouldn't reach people, but direct exposure can harm eyes and skin. Cotti-Johnson HVAC installs UV air sanitizers in Taunton, Massachusetts with the lamps sealed inside ducts or the air handler. Never look at a lit UV bulb, and turn off power before opening any access panel.
- Why is my HVAC UV lamp not working?
- A UV lamp may stop working because the bulb has reached the end of its life, the ballast failed, a power connection loosened or a safety switch is open. Cotti-Johnson HVAC services UV air sanitizers in Taunton homes. Many systems have a view port or indicator light that lets you check operation without opening the unit.
- How often should HVAC UV bulbs be replaced?
- Many HVAC UV bulbs need replacement about every 9 to 14 months, even if they still glow, because their germicidal output weakens over time. Cotti-Johnson HVAC follows a UV bulb replacement schedule for Taunton, Massachusetts customers. Check the manufacturer's rating, since some lamps are rated for longer service intervals.
- Can a UV light keep mold off my AC coil?
- Yes, coil-mounted UV lights help prevent mold and biofilm from forming on the evaporator coil and drain pan, where moisture collects. Cotti-Johnson HVAC installs coil UV lights in Taunton homes to help maintain airflow and efficiency. Existing heavy buildup should be cleaned first, since UV works best at keeping 1 clean surface clean.
- Can I install a UV air sanitizer myself?
- UV air sanitizers are best installed by HVAC professionals because they require correct placement, a power connection and protection from UV exposure. Cotti-Johnson HVAC installs germicidal lamps and coil lights in Taunton and Raynham, Massachusetts. Some plastic components can degrade under UV light, so placement within the air handler matters.
- Is a UV air sanitizer a substitute for duct cleaning or filtration?
- No, a UV sanitizer targets microbial growth but does not remove dust or debris, so filters and duct cleaning still matter. Cotti-Johnson HVAC offers duct cleaning and filtration alongside UV systems in Taunton, Massachusetts. Pairing a UV light with a filter changed every 1 to 3 months gives broader air quality coverage.
Take your home’s indoor air quality to the next level with a UV air sanitizers installation from Cotti-Johnson HVAC, Inc. Call us in Taunton, MA, at 508-301-1831.
