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annejk

05:11AM | 03/06/07
Member Since: 01/20/05
11 lifetime posts
Bvhvac
I'm having my whole heating system replaced, and need to decide which type of compressor I should go with.

I've had 2 quotes and my dilemma is one quote is recommending a 16 SEER 2 stage compressor while the other recommends a 14 SEER scoll (single) compressor, and warns against a 2 stage compressor in my application - i.e. a small 3 level townhome (~1300 sq ft). He thinks a 2 stage system isn't going to work, as I don't have zoning/thermostats on different levels. I think I understand - that with the thermostat on the main ground level that the unit will unwittingly think it should stay in stage 1 (1 ton) usage and my upstairs will get too hot and my basement will stay cold.

Both are reputable companies with long established histories and good references. I'm clueless about this stuff, and trying to understand it enough to make a decision.

Anyone care to chime in with their opinion?

annejk

08:04AM | 03/06/07
Member Since: 01/20/05
11 lifetime posts
Thanks Hkestenholz for your opinion!

LOL, no Humvee in the driveway here so I guess a single stage compressor is fine for us. The guy recommending the 2 stage compressor did seem more of a salesman than the other guy - nothing I asked for was too much trouble for him. The one recommending the single compressor seemed to be more realistic, and was the owner so probably has more hands on experience.

Good point about the maintenance difficulties - no one has mentioned that to me yet!

Yes, we're not redoing the ducts - just the heat pump, air handler, thermostat stuff.

Now I can have an air cleaner and humidifier with the money saved. Off to look into split system ACs now. Thanks! Much appreciated.
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