Germicidal UV light systems eliminate bacteria, mold, and viruses inside your HVAC system, and Bienvenu Brothers has been the Metairie area’s trusted installer since 1937. Our BBB A+ Rated, 4th generation family-owned team provides UV light installation, lamp replacement, UV air purifier service, coil sterilization UV systems, duct-mounted UV light service, maintenance, ballast replacement, and indoor air quality UV treatment. We are 100% recommended on Facebook, Loved Locally on Nextdoor, and an Angi Super Service Award winner. Fully licensed (LMP#7214WSPS) with flexible same-day and 24/7 emergency service. Protect your family with UV air purification. Contact Bienvenu Brothers or call (504) 835-7783.

Germicidal UV Light Systems in Metairie and New Orleans LA

Germicidal UV Light Systems New Orleans

Despite how wonderful and effective air filtration units installed within office buildings can be, these units are still capable of growing airborne fungi that fester and spread in the unit when not treated correctly. With the introduction of germicidal UV lights, however, most buildings will notice significantly reduced levels of fungi growing in the air system after a few months of operation. The germicidal UV light systems control the fungi population, reducing the spread of contaminants or pollutants within the air.

I highly recommend Bienvenu for ALL your plumbing needs

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“We were in a pinch when our kitchen sink stopped up on a Saturday evening of a HOLIDAY WEEKEND with several out of town guests staying with us. We needed to get the kitchen sink unclogged as soon as possible so I called Bienvenu Brothers Plumbing and they went above and beyond what I expected. They arrived on time, were professional and courteous, answered all of our questions, and most importantly got our sink working again! I highly recommend Bienvenu for ALL your plumbing needs!”
- Rozane Keppner
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Air Sterilization

An entire germicidal UV light system installed within your home or office structure will sterilize the moving air flowing through the entire building. The UV light unit is installed within the return-air duct and will cycle on as soon as the unit’s air handler blower begins to activate. This sterilization process helps to significantly reduce airborne contaminants and fungi from growing in the ducts, which is entirely possible after long periods of use without cleaning or maintenance.

Expert Tips
- Vint Bienvenu Jr.
When it comes to maintaining a clean and healthy environment, consider investing in Germicidal UV Light Systems. These innovative systems use ultraviolet light to effectively eliminate harmful bacteria, viruses, and other pathogens. Just like washing your hands regularly, incorporating UV light systems into your space can significantly reduce the risk of infections and promote overall well-being. Whether it's your home or workplace in Metairie, LA, prioritize the health and safety of your loved ones or employees by harnessing the power of Germicidal UV Light Systems.
- Vint Bienvenu Jr.

Energy Costs

For the majority of germicidal UV light systems installed, most are rated at just around 1.1 amps. This means that, running 24 hours per day at 26.4 watts, a UV light system will cost just $2 per month, or $24 per year, in order to effectively run and purify your indoor air. A replacement bulb will cost around $70, so for under $100 you can have high quality air without worry.

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If you’re interested in learning more about germicidal UV light systems or want a system of your own installed, Bienvenu Brothers are the professionals you are seeking. We’d be happy to help, if you just call (504) 835-7783 today.

Frequently Asked Questions

A germicidal UV light system installs inside your HVAC air handler to expose the evaporator coil and surrounding surfaces to ultraviolet light at a wavelength of 254 nanometers. This wavelength is proven to neutralize mold, bacteria, viruses, and other biological contaminants by disrupting their DNA, preventing reproduction and eliminating the biological contamination that accumulates inside HVAC systems.
Louisiana's high humidity creates ideal conditions for mold and bacteria growth on HVAC evaporator coils and inside air handlers. In summer, the evaporator coil is continuously wet with condensation, providing a moist surface where mold colonies establish and release spores into circulated air. A UV light system prevents this biological growth continuously, protecting both the HVAC system and indoor air quality year-round.
UV light at 254 nanometers penetrates the cell walls of microorganisms and disrupts the molecular bonds in their DNA, preventing the cell from reproducing. Without the ability to reproduce, the microorganism dies. Continuous UV exposure maintains a sterile surface on the evaporator coil and surrounding air handler components, preventing the biological buildup that would otherwise occur.
Yes. Bienvenu Brothers installs, services, and replaces germicidal UV light systems throughout Metairie, Kenner, River Ridge, Jefferson, New Orleans, and the greater New Orleans metro area. Call [phone] to schedule installation.
UV light system installation cost depends on the unit type and your existing air handler configuration. Bienvenu Brothers provides a transparent estimate before any work begins. New customers receive 15% off their first service call. UV system installation is one of the more affordable indoor air quality upgrades available.
Bienvenu Brothers mounts the UV lamp inside the air handler, positioned to illuminate the evaporator coil surface continuously. The lamp is connected to a low-voltage power supply that plugs into a standard outlet or connects to the air handler wiring. Installation typically takes one to two hours and is non-disruptive to the rest of the HVAC system.
Yes. A properly positioned UV light system prevents new mold from establishing on the evaporator coil surface and gradually neutralizes existing biological contamination. For coils with heavy existing mold growth, a professional coil cleaning before UV installation accelerates the process. Bienvenu Brothers recommends coil cleaning at the time of UV installation when significant biological contamination is present.
Two types of UV systems exist. Coil sterilization lamps are positioned to illuminate the coil surface and are not optimized for treating passing air. Air sterilization lamps are positioned in the airflow path to treat circulating air as it passes. Bienvenu Brothers advises on which type or combination is most effective for your specific air quality goals.
Germicidal UV lamps should be replaced every 12 to 24 months depending on the manufacturer's specification. UV lamps lose germicidal effectiveness gradually even when they still appear to be lit. Bienvenu Brothers includes UV lamp inspection and timely replacement in annual HVAC maintenance visits so performance is never compromised by an aged lamp.
Yes. UV light systems install inside the sealed air handler cabinet where occupants are not exposed to direct UV light. The safety of properly installed HVAC UV systems for occupants is well established. Bienvenu Brothers follows all installation guidelines to ensure UV light is fully contained within the air handler enclosure.
UV-C lamps at 254 nanometers do not produce ozone in significant quantities. Some UV systems use different wavelengths specifically to generate ozone as an additional disinfectant. Bienvenu Brothers installs standard UV-C coil and air sterilization systems that do not produce ozone, avoiding potential irritation concerns.
Yes. Musty HVAC odors are caused by mold and bacteria growing on the evaporator coil and in the drain pan. A UV system neutralizes the biological source of these odors. Most homeowners notice elimination of musty air conditioning odors within days to weeks of UV system installation.
Germicidal UV systems can be installed in most forced-air HVAC systems with an accessible air handler. Bienvenu Brothers assesses your specific air handler configuration during an estimate visit to confirm the optimal lamp positioning for full coil coverage.
Most homeowners notice reduced musty odors and improved air freshness within a few days to two weeks of UV system installation. Full biological sterilization of the coil surface develops over the first few weeks as the lamp continuously neutralizes existing contamination and prevents new growth.
Yes. The drain pan beneath the evaporator coil is a common location for mold and algae growth that can block the condensate drain line. Positioning the UV lamp to illuminate the drain pan in addition to the coil prevents biological growth in both locations, reducing drain pan cleaning frequency and preventing condensate drain blockage.
Yes. By preventing mold growth on the evaporator coil, UV systems reduce the concentration of airborne mold spores that the HVAC system distributes through the home. For allergy sufferers who react to mold, a UV system combined with a whole-home air filtration system provides comprehensive protection against both existing and circulating mold spores.
Yes. Bienvenu Brothers installs commercial germicidal UV systems for office buildings, restaurants, healthcare facilities, and multi-unit residential properties throughout the Metairie and New Orleans area. Commercial systems use higher-output lamps appropriate for larger air handler volumes.
UV-C light at 254 nanometers is the germicidal wavelength used in HVAC applications. UV-A and UV-B wavelengths do not provide significant germicidal effectiveness for HVAC biological contamination control. Bienvenu Brothers installs UV-C germicidal systems specifically selected for HVAC coil and air sterilization applications.
A UV system significantly slows biological fouling of the evaporator coil, reducing the frequency of professional coil cleaning needed. However, it does not prevent dust and particle accumulation on the coil, which still requires periodic cleaning. Annual HVAC maintenance by Bienvenu Brothers includes coil inspection and cleaning as needed regardless of UV system presence.
Yes. Louisiana's high humidity makes HVAC coil mold growth nearly inevitable without active prevention. The cost of UV system installation and annual lamp replacement is modest compared to the cost of recurring professional coil cleaning, the health impact of mold exposure, and the efficiency loss from biologically fouled coil surfaces.
UV-C light at the correct intensity is proven to neutralize many viruses. HVAC UV systems treat air passing through the air handler rather than providing whole-room air disinfection. While HVAC UV systems should not be marketed as specific disease prevention measures, reducing biological contamination in circulated air is consistent with general indoor air quality improvement principles.
Yes. UV light and air filtration address complementary aspects of indoor air quality. Filtration captures particles including spores. UV light neutralizes biological contaminants on the coil surface and in the passing air. Bienvenu Brothers recommends combined filtration-plus-UV installation for comprehensive indoor air quality improvement in Louisiana's challenging climate.
Yes. Bienvenu Brothers services and maintains germicidal UV systems regardless of who performed the original installation. We replace lamps on the correct schedule, inspect lamp positioning, and verify power supply function during service visits.
Within the first few days, musty HVAC odors typically begin to reduce as the lamp neutralizes surface biological contamination. Over the following weeks, the coil surface progressively becomes biologically cleaner. At the next annual maintenance visit, Bienvenu Brothers verifies the coil is significantly cleaner than before UV installation, confirming the system is working as intended.
A UV lamp that has passed its rated service life may still appear to emit light but produces insufficient UV-C output for effective germicidal action. Bienvenu Brothers checks UV lamp age and output during annual maintenance and replaces lamps on the manufacturer's recommended schedule rather than waiting for visible failure.
Annual lamp replacement is the primary ongoing maintenance item. Bienvenu Brothers also cleans the lamp quartz sleeve at each annual service visit, as dust accumulation on the sleeve reduces UV output even in a new lamp. The power supply and wiring connections are also inspected annually.
Bienvenu Brothers installs germicidal UV light systems throughout Metairie, Kenner, River Ridge, Jefferson, Harahan, New Orleans, Gretna, Harvey, Marrero, and all surrounding communities in the greater New Orleans metro area. Call [phone] to schedule.
We are a BBB A+ rated, 4th generation family-owned HVAC company serving Louisiana since 1937. We position UV lamps correctly for maximum coil coverage, use professional-grade UV-C systems with verified germicidal output, replace lamps on schedule during annual maintenance, and integrate UV installation with comprehensive indoor air quality assessments tailored to Louisiana's specific biological contamination challenges. Our licensed (LMP#7214WSPS) team backs every installation with 89 years of regional expertise.
Yes. A properly positioned UV lamp prevents biological fouling of the evaporator coil, which is the primary reason coils require cleaning beyond normal dust accumulation. Homes without UV systems typically need coil cleaning every two to three years due to mold and algae growth on the wet coil surface. With a UV system maintaining a biologically clean coil, cleaning intervals extend significantly while maintaining the coil's heat transfer efficiency. Bienvenu Brothers includes coil condition assessment in annual maintenance visits for homes with UV systems to monitor the difference.
UV light systems can be installed at any time of year since they operate year-round inside the air handler. However, spring, before the peak cooling season begins, is a practical time to install since the air handler is running and accessible during the Bienvenu Brothers pre-season maintenance visit. Installing ahead of the humid summer months ensures the system is protecting the coil during the period of heaviest condensation and highest mold risk. Call [phone] to combine UV system installation with your spring AC maintenance visit.

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