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4 tons seems high, unless this is a converted leaky barn! I think you need to seek another contractor with a Builder grade American Standard system.

Where is the ductwork located?

My experience with First Company is with a botched hydronic design by the homeowner. Run!

Expect a 5% or less temperature drop from a power vent. What a waste of money! Spend electricity to do nothing, except make money for the power vent company and installer.

Ridge vent, if you...

No load calc? No solution.

Jerold

Dear Mr. Bill,

I'm glad Nordyne works for you. All of the 13 SEER AC's and parts did very well. The heat pump side was a total failure for my company, especially the 16 SEER HP systems, of which...

If 100,000 BTU won't heat, then there is an air flow and/or duct problem

eee

AC guy doesn't get paid because he hasn't passed inspection. With no electricity being the problem, GC get pressure from the AC guy and others wanting to get paid. If it's the GC's fault, like he's...

Is headaches or cleaner air the problem?

Or better yet, scrap the decision and go American Standard

100k BTU seems kinda high, but I don't know the heat loss number. Yes, put in a heat pump with a Vision Pro t-stat and outside temperature sensor. It will work great. If you go all electric, then...

Sounds like you need to change out the defrost board

eee

I agree with getting someone to look at it.

eee

I liked the variable speed, 2-stage option.

eee

As a contractor, I won't get paid or even ask for payment until the unit is running and I've had time to check it out. Hold back payment and watch what happens. It's called movement. You have to...

I like my unit. At first I wasn't sure about it, since the media section was full of dust and so were the rest of the filters in the building. But the second month, I noticed the same amount of...

4x4,

I suspect 30%+ duct leakage with possible return air pulling air from the attic. In addition, you could have refrigerant leve, non-condensibles, and air flow issues.

Can you provide...