"Interesting observation. It sounds like your a good Home inspector.
It seems to me like the air movement is the from the latter. The air is moving through the wall assembly caused by the Delta-P, and it is showing up where the…"
"If the attic is vented to treat it as an exterior wall, if not vented then its adjacent to an unconditioned space. Just determine the sf and U-valve. As far as infiltration, if you can't do a blower door that's fine, if not try to…"
The mini-split systems now have options for the on-wall units. Its the major issue with clients. They have several options, including ducted ones, and even one that looks like a steam radiator.
Check them out.
As for the duct leakage, you…"
"Yes, its a Hydro-air system. It uses one boiler to supply hot water to the coil in the supply side like you mentioned. The reason for this system is to allow multiple A/C zoned systems without adding a whole Heating/cooling system.
One boiler can…"
"Are you going to use this for a 150sf bathroom? If so 5MBTU seems quit high.
Wouldn't it be much simpler to just install a small electric wall heater. that can be controlled easier and only when needed?
Why go to that much trouble? The…"
"I would just like to say, don't believe everything you hear or read without evaluating the counter arguments.
I am not disagreeing with the hypothesis, I would just need other conclusions before I can make any decision."
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