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VERY heavy frost - coils and innards complete covered. Not a solid block of ice like I've seen on inside A/C evaporators but enough that I think pretty much all of the heat is coming from the...

Unfortunately, we aren't usually there long enough to figure out exactly what's going on (weekends only). It usually corrects itself because the temperatures fluctuate below and above freezin (i's...

Hard to tell if it's heating as the auxilliary heat is coming on automatically. Maybe the heatpump is heating but can't keep up and the aux heat is coming on; or maybe the heatpump isn't heating...

Hi all:

I'm having a strange problem with my upstairs and downstairs heatpumps. The house is on Smith Mountain Lake in SW Virginia (humidity?) and when the weather gets cold (freezing or just...

Birds have made nests in the bathroom vent outlet of our recently purchased house. I took off the external vent cover and found the ductwork (4” uninsulated plastic accordion dryer duct) all torn to...

Where can this be found?

In general, the coil is supported by (attached to) the furnace. Some installations even have a flexible coupling between the coil and the supply ductwork, which wouldn't support any weight. The...

When you know what the OPs system consists of, you can offer a definitive recommendation. Until then, your opinion is as worthwhile (or worthless) as anyone else's.

Hmmmmm............. well, I guess we all know whose glass is half empty!

Presumably your insurance paid for the repairs and remediation. You should speak to your insurance company first. But if you don't get an immediate commitment from them at this stage, seek legal...

Well, it depends on the indoor unit. Many air handlers are compatible with either.

What about it?

Not sure what your question is?

Well, so it water. A spraying with bleach would get rid of the mold, drain off pretty quickly and be further washed off with condensate.

I'm not saying you should spray the coil every day but I...

A heatpump should work fine 80% of the time (+/- seeing as we don't know where you live). A relatively simple swap of your outdoor condenser and thermostat shouldn't be too expensive. I can't see...

Hmmm....... What is "vapor rise"?

Not if the tech knows what he's doing. Your first post said "They measured the output at the nearest vent and it was 46 degrees on a 65 degree day". 65 degrees inside the house, or 65 degrees...

I've seen this admonition many times on this site. Why not?

And yet another angle - older funaces were designed for higher heat differentials and didn't need the higer airflow of modern high efficiency furnaces. Thus the ductwork could be smaller for a given...

+1. Do a little more digging to see which model furnace you have. Most furnaces under 90,000 BTU can deliver 1200CFM (which your 3 ton AC needs, nominally).

Sounds like your system has never worked satisfactorily. You may have an issue with the ductwork, airflow balancing, or a system problem/malfunction. I'd get a couple more estimates on both...

Look into duct liners for your original ducts.

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Get a proper heatload analysis done before getting bids on a new system. I doubt very much adding insulation cut your heating requirements in half, but the proper analysis will give you the exact...

I think they are referring to the Rheem 412 thermostat. If you're not using a modulating furnace (which you aren't) I believe you can use the White Rogers comparable heatpump thermostat - the...