I purchased the Honeywell UV light system from a major home supply company as I was having a mold smell in my HVAC system in the summertime. We had the vents cleaned and sprayed with anti mold/fungal spray and two weeks later it was back. We had our HVAC company come out and tell us the coils were dirty and covered with some mold on the downstream side. They would have to remove the entire coil box from our crawlspace (cut the refrigriant lines!!!), break it open, clean it out and then replace the entire unit for the low, low price of $500. Forget it. I bought a can of coil cleaner, put on my rubber gloves and safety goggles and got into the unit from the upstream and downstream sides, cleaned it and installed this unit to keep the mold from growing.
The unit itself comes with the bulb and socket with a plug and good instructions on how to install. You will need to have an outlet near by which I didn't. (Needed to run a new outlet near the install site)You will also need a hole saw that can cut through metal or a saw and a very steady hand. It can be done, just be carefull to cut the hole correctly and clean up the shavings.
Installed, plugged in and working fine. No more mold smell. It's a quartely check of the bulb to wipe it down and make sure it's still on. There is no on-off switch, just plug it in and it's on.
JUST A NOTE: DO NOT PLUG THE BULB IN UNTIL IT'S IN THE DUCTWORK!! DO NOT LOOK AT THE BULB WHEN IT'S ON. It can damage your eyesight.Install the bulb in the system and then plug it in. There is a little blue light on the face of the unit that lets you know it's on.
It's an easy install and does work.
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Honeywell RUVLAMP1/C UV Air Treatment SystemProduct Description: "HONEYWELL" UV AIR TREATMENT SYSTEM *Easy installation in forced air-heating and cooling systems *Kills up to 70% of certain airborne bacteria passing by the system *Exclusive safety features *Sealed design prevents contact with voltage and UV rays *Boxed REASON ADDED New UV air treatment system reduces certain viruses and bacteria.
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I originally bought the Ozium spray made by Waterbury Company which was great. I decided to go with the Medo spray this time which can't compete. It doesn't seem to work as well - it only sprays about 1 foot in front of the nozzle, smells worse than the Waterbury version, and even the cap doesn't want to stay on the canister. It may actually be better intended for an automobile, but for the home, I'm going back to the Waterbury version.