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Crayx4,

I admit to having very little experience with this, but if the contractor isn't willing to do a Manual J, I'd look for someone else.

In my case, I felt that the two contractors were...

I went with Option 2, and think I'm going to be quite happy with this. However, the change from vertical upflow furnace installation to horizontal furnace installation did turn out to be more hassle...

You must have been in my house, or maybe just friends with the builder? : )

Seriously, thanks very much for the feedback. And it's comforting to know that there may not be much (or any?)...

Aaahhh... thank you! I thought I was probably missing something important, and this was it (and it's clearly a big one).



We do keep both floors at the same temp, and the atrium is about...

I'm replacing the upstairs and downstairs systems in my 16yr old house in Houston. My existing systems are 3ton (down) and 3.5ton (up). We have always had adequate cooling with these units (can...

Wow... great information TB. I had no idea it was THAT bad. Thanks for the education!

As I found out recently from one of my contractors, there are also a number ASX16 (16 SEER) matchups using Aspen coils that will qualify for the credit. See here...

Thanks Teddy for the factual feedback. I know that some will disagree with my choice, but let me just say right now that we will have a whole house dehumidifier installed. Chalk it up to a...

Thanks Dash and Classical for the feedback. Al, I may give you a shout to discuss your approach a little further. As far as equipment selection goes, I'm still wondering... what is there, good or...

Thanks for the feedback Classical. I'm not sure I understand what you mean by "those comfort ranges are pretty low". Is that to say "you're not going to be comfortable with any of these systems",...

Dash, I think I missed your more important point the first time around. You're suggesting that the Carrier Option has superior performance / benefits / features when compared with the Amana Option? ...

Thanks Dash.

Contractor #2 actually did give me a quote for Carrier 24AAC Comfort Series single-stage condensers plus the same two-stage VS furnace as above, and CSP slab coils (still with...

I'm replacing two systems in my 16 yr old house in in Houston. Existing systems are 3.5 tons upstairs, and 3 tons downstairs, with furnaces installed vertically (upflow) in an unconditioned attic. ...

Thanks everyone.

Shophound - For what it's worth, I do plan to try and reduce the amount of damp outside air we're bringing in... duct sealing in the attic, supply ceiling penetrations, and can...

Hello all.

I live in Houston, and am looking to replace both upstairs and downstairs systems in my 16yr old house. I tend to be very humidity-sensitive... 50% RH at 73F the other night, and I was...

Is anybody familiar with this (add-on) dumidifier device/control??

http://www.dry-air.com/veriDry.htm

I don't know whether to think it's some great new invention, snake oil, or something...

BaldLoonie, P. Student, shophound, bornriding, travisfl - much thanks. Learned a lot more than I bargained for just "listening" to you guys kick ideas around.

P. Student - I've got a humidity...

I want to replacing both (old mercury type) thermostats in my house with Visionpro or similar programmable stats. The house has a large atrium connecting the upstairs/downstairs, so I want to have a...

Assuming there's nothing that will intelligently control these two separate systems, and make sure they both switch from heat to cool at the same time...

Could a thermostat with adjustable...

Thanks everyone for the good advice. I agree that the locations of the exising thermostats isn't the best... at least as far as u/s d/s temperature control goes. BUT, the rooms that are open to the...

This may be a stupid question, for which I'll apologize right up front.

I live in Houston, and recently bought a 2-story home with separate upstairs and downstairs systems. The equipment is all...