The Freon Cowboy wrote:
you can clean it all you want , but once you get dss , you'll have it
forever without replacing the coil ,
problem is , heatpumps , never get hot enough to kill the microbes
that exist on the coil , as regular furnaces do,
ultimate solution , is ultraviolet , like sanuvox , or aprilaire
contact your local hvac dealer for more info and pricing


"JB" wrote:
For those who would understand the subject line should say it all.
In North

But beware using UV lights will / can destroy some plastic drain pans. Be
sure your not the owner of a plastic drain pan before installing UV lights.

--
Zyp