My Aprilaire 700 flow through with ac powered fan has been bullet proof for many years. Simple in concept and install, and clean. No real servicing required other than changing the water panel annually. I also check to make sure the orifice isn't clogged but other than that there is nothing to do.
I had one of those drum POS's for about 6 or 7 years once upon a time. Nothing but trouble and a real mess. Didn't damage my HVAC system though.
Originally Posted by COLDIRON
Buy a portable one like a piece of furniture that will do the whole house.
I have seen humidifiers ruin good HVAC systems, seem them clogged solid with mineral and dirt, seen them not operate at all, nothing but trouble.
I have been in the HVAC business over 40 years and seen more humidifiers doing nothing but costing money.
If you do buy one and install it make sure you service it according to the instructions and some.
I do have to ask about minerals in the water. We have a high mineral content up here. Have to use Lime Away quite a bit. Hi iron in the soil. I have 3 of the portable units in the house now, but leaves a film on the windows and everyting else. I just thought that maybe it might be better having one on the furnace.. Thanks for all of your help though.. Al