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Does this design make sense?

3K views 3 replies 2 participants last post by  bigMikeB 
#1 ·
I have a design question but first a little background.

I've never been happy with the cooling ability of my first floor unit (Rheem 2-ton, 10 seer for ~1500 sqft). I just replaced the coil of the second floor unit (same specs). In addition, I'd like to finish my basement which is ~900 sqft- daylight, walkout to the rear. It is dry. No moisture problems.

Since my first floor system may need repairs and the basement has no system at all, I'd like to kill 2 birds with one stone. Does it make sense to get a 3-4 ton system and use thermostatically controlled dampers to service both areas? It seems like I could save a few thousand dollars by doing that instead of purchasing 2 separate units.

Thoughts? Comments? Am I missing something?

Any help is greatly appreciated.
 
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