The heating and cooling system is something a new homeowner should never have to worry about, unless, of course, your construction company is Americas Home Place from Asheville.
Because our house was finished at the beginning of summer, the air conditioning was fixed on the first return visit as the air conditioner was never properly charged so it blew warm, rather than cold air. All the heating and cooling company had to do was recharge the system, and it was good for the summer.
The real test of a heat exchanger is how it warms the house during the winter months. As owners of a new home, with two separate air conditioner and heating systems, we found the vents blew cold air through them in unisin with the wind (both upstairs and downstairs).
A year later, when it was necessary to remove the vents in the crawl space because of a mold issue (see the mold blog), the heating and air conditioning company found out that the vents had never been screwed into main trunk lines, and they were just hanging loosely against the main trunks—causing our heating and air conditioning bills to be abnormally high.
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