amazon.com: reko lighting r2000 air purifier whole house uv uvc light in duct for hvac ac (air conditioning) duct : tools & home improvement

Here is list of different methods and results, you will often need to gain access to the evaporator coil 1 - I could visually see some telltale mildew mold sitting on the fins of the coil.
RESULT This does help the issue as it physically goes after the mold and after while the problem slowly returns. 2 - Purchased handheld steam gun that directs blast of hot scalding steam to the coil fins.
Here I treated all of the area with steam to kill the mold with heat ( temp is 160F and time.
RESULT This does help the hydrogen peroxide, onto the coils.
RESULT This does job to knock out the problem and after week the problem slowly returns. 4 - Bi-Polar Ionizer.
Here is installed NuCalgon iWave-R ionizer that is designed to be installed right after the airstream from the filter.
There is in the unit, no OFF ON switch as the intention is that this unit runs 24 7 and uses UV-C light to kill mold mildew.
-At the time of this writing, approx 400 hours the air has been kept pleasant and I can detect D.S.S when I put my face right into air vent and inhale..
The only way to improve results would be to slow the rate of air flow or increase the intensity of the light ..
I do like to use Bi-Polar Ionizer to boost the effectiveness and perhaps that is something you may wish to look into..
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