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Old 01-21-2008, 05:07 PM
563 posts, read 3,596,662 times
Reputation: 321


We are new to Texas and the home we are buying, I am happy to say, has a cracked heat exchanger on the furnace and will need a new furnace. Why happy? Because now we can get an energy efficient furnace as opposed to the 30yr old clunker the house came with. We also found out this morning that the house has a 4 ton AC when it should be a 5 Ton and the AC unit is also 30 years old. I'm fully expecting it to pass away in a year or two.

So now Im stumped. Changing both units will cost us around 6K and the solution still seems an enviromental disaster. What would make more sense than the traditional heat and air?

Are heat pumps as lame as some people say? Is it possible to switch over to a heat pump unit and survive? This is a 2700 sq ft one story brick home with minimal shade ( foundation issues are rampant in the area so no big trees near the house). I know tile flooring and ceiling fans make a big difference as do awnings, etc. But what technology is out there to take the place of the usual furnace/AC system? Has anyone used the all-in-one units where both units are in one package and installed outside the home? Thanks
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Old 01-21-2008, 05:23 PM
Location: Johns Creek, GA
15,758 posts, read 58,726,004 times
Reputation: 19828
I'm assuming by your other posts that this house is in the Dallas area(?)
Well, considering that Dallas has two seasons- Frigin' HOT and winter you'd probably be O.K. with a pump. And since it's a 70's house- check all the insulation- I can assure you it doesn't meet today's code (and if its on a crawl space I bet there's no insulation in the floor- unless added later). And make sure there is adequate attic ventilation.
The (all-in-one) split units you referred to are really for individual rooms- not for a whole house.
I remember when my G.Parents lived in Lancaster- they had an evaporative cooler for the whole house- these are starting to make a come-back of sorts.
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