Kills up to 99% Viruses,
Bacteria & Mold

Such as infectious airborne pathogens similar to Novel Coronavirus.

Blue Tube

Kills Over 99% of Germs

Blue-Tube UV is the single most popular germicidal UV light product for HVAC systems in the world.

Home owners breathe easy knowing that the air their family breathes is protected by this proven technology. Blue-Tube UV is the simple, safe, and effective way to keep your air system clean and improve indoor air quality.

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Of Installing a Blue-Tube UV®

Healthier air

In modern, well-insulated homes, Blue-Tube UV can reduce indoor-air pollution levels significantly, ensuring a healthy environment for you and your family.

Continuous operation

Blue-Tube UV operate even if the HVAC system is offline, ensuring that your home remains toxin-free 24/7.

Improved efficiency

Blue-Tube UV can even extend the life of your home’s heating and cooling systems because the HVAC system’s components work less hard if the air is cleaner.

✅ Sterilizes airborne microbes including viruses, bacteria, mold
✅ Improves indoor air quality
✅ Inhibits HVAC mold growth
✅ Inhibits mold growth on coils and HVAC system interior
✅ Saves energy/reduces maintenance costs

Kill Germs With Light

Because the frequency of UV-C light is filtered out by the Earth’s atmosphere microorganisms have no defense against it. It works by crambling their DNA which prevents them from reproducing.

What is UV-C Light?

Ultraviolet (UV) light is a range of light frequencies that are mostly invisible to the human eye.

The UV-C band is most effective at killing germs because its short wavelength is able to penetrate the cell walls of microorganisms and scramble their DNA. Also, UV-C is filtered out by the earth’s atmosphere so microbes have no defense against it.

Features – Blue-Tube UV

  • Patented Design
  • 18-32 or 110-277 VAC power supply
  • Z-Magnet for easy install
  • 254 NM UV-C light
  • 1 or 2 year quartz lamp
  • Lifetime warranty

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Safe & Effective Disinfection

For over a century scientists have known that certain frequencies of light have a devastating ef_fect on microbial life. We now know that
exposure to ultraviolet light in the range of 254 NM (UV-C band) disrupts the DNA of micro-organisms thus preventing them from reproducing, thereby ef_fectively killing them.

Indoor Air Quality

According to the EPA indoor air pollution is often f_ive times worse than outdoor and represents a signif_icant health risk. UV-C improves indoor air quality by sterilizing mold, bacteria, viruses, and allergens from the air as it cycles through the central air system.

Germicidal UV Light

The unique germ-killing properties of UV-C light have been know for over a century. UV-C in sunlight is filtered by the Earth’s atmosphere so microbes have no defense against it.

Today this technology is used for hospital disinfection, food safety, and water purification.

Blue-Tube UV is a patented device for air system disinfection and is the best-selling product of it’s type in the world.

Blue-Tube UV Specs

UV Lamp254 nm germicidal UV-C, quartz hot filament
DimensionsLamp: 15”L x 0.74” Dia.
ER Power Supply: 4.1”W x 1.7” H x 1.8”D
ST Power Supply: 5.0”W x 1.1” H x 2.4”D
ER models
18-32 VAC, 60 Hz,
0.68 Amps, 16 VA
SI DI models
SI DI models
Kit IncludesPower Supply, 6′ Lamp Cable, UV Lamp, Magnetic
‘Z’ Bracket, Mounting Hardware, Panel Indicator,
Installation Sticker
WarrantyLifetime for all parts except lamp
US Patent #7,704,463

Part Numbers

18-32 VACReplacement Lamp
TUV-BTER 1 Year LampTUVL-115P
TUV-BTER2 2 Year LampTUVL-215P
120-277 VAC
TUV-BTST 1 Year LampTUVL-115P
TUV-BTST2 2 Year LampTUVL-215P

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How Blue-Tube UV® Works

How Blue-Tube UV® Works

Blue-Tube UV is installed in the central air system where it works continuously to fight mold and other biological contaminants in the air and on HVAC system interior surfaces, particularly the cooling coil. For over a century scientists have known that certain frequencies of light have a devastating effect on microbial life.

We now know that exposure to ultraviolet light in the range of 254 NM (UV-C band) disrupts the DNA of micro-organisms thus preventing them from reproducing, thereby effectively killing them.

Where can you Install Blue-Tube UV ® ?

Residential & Commercial Installation

We all need clean air to be healthy and thrive. According to the EPA indoor air pollution is often five times worse than outside air.

Fresh-Aire UV products protect your family or business, extend the life of your air system, and reduce energy and maintenance costs.

Single family homes, apartments, condos

In hospitals, nursing homes, assisted living facilities.

Fitness centers, locker rooms, athletic facilities

Hotels, motels, & resorts

Veterinary clinics, animal hospitals, kennels

Office buildings

Sars-cov-2 Test Results


Fresh-Aire UV, a world-leader in HVAC ultraviolet disinfection systems, has successfully completed phase-1 third-party testing of their residential, commercial, and healthcare products for effectiveness
against SARS-CoV-2 (the virus that causes COVID-19 disease).

In the test report titled “SARS-CoV-2 Neutralization by Germicidal UV Light System from FreshAire UV” the systems delivered greater than 4-log inactivation (>99.99%) on the SARS-CoV-2 virus within 0-2 seconds of exposure to Fresh-Aire UV UVC 254nm light systems.

The testing was conducted by Innovative Bioanalysis a CAP, CLIA, and AABB certified laboratory (CA, USA). The test was designed to model exposure time comparative to inactivating the SARS-CoV-2 virus in the moving airstream within the HVAC or ventilation system. Products tested were the Fresh-Aire UV ADS™ (duct-mounted airborne disinfection) for commercial and healthcare applications, Blue-Tube XL™ (HVAC coil and airborne disinfection) for commercial and healthcare applications, and APCO-X™ (HVAC coil and airborne disinfection with VOC/odor reduction) for both residential and commercial applications. Phase-2 testing is currently underway.


According to Aaron Engel, Vice-President of Business Development at Fresh-Aire UV:

“Fresh-Aire UV has been manufacturing proprietary germicidal UV systems for 20 years, and with everything we know about the SARS-CoV-2 virus combined with our testing experience, we were confident our systems would be very effective at inactivating the virus. We now have independent verification of the successful inactivation of the SARS COVID-19 virus and an even better understanding of how well our disinfection systems perform within the HVAC system, duct work and on surfaces. We are thrilled.”

Fresh-Aire UV is recognized the world over as a leader in the areas of UV light disinfection and indoor air quality. Our products reduce indoor air pollution, sterilize viruses, bacteria, and mold, neutralize odors and VOCs, and provide chemical-free air and surface disinfection. Fresh-Aire UV is the innovation leader with numerous patents and industry awards, including the AHR Innovation Award for Indoor Air Quality for 2011 and 2020.

Fresh-Aire UV systems are not intended to diagnose, treat, prevent, or cure any disease. Fresh-Aire UV systems have been tested on SARS-CoV-2, isolate USA-WA1/2020.

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