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From my GREENSPEED furnace blower, the supply goes into that transition box I described, and then hits a "T" whereby it takes a 90 degree turn each way - left and right. Installing HVAC contractor...

Basement is 100% finished. Have no idea if there is a vapor barrier between the ground and concrete, but I would suspect NOT since that was probably not code back in 1972 when the house was built. ...

Last Spring, I spent a considerable sum of $$ to insulate attic to R70, apply 1/4" foam board around whole house under new Hardy Board exterior, New Roof, and also sealed attic professionally...

BEENTHERE - Excellent observation from a distance. The Sunroom was an add-on about 10 years ago, and the previous owner had construction crew pull from existing ductwork to cool & heat that extra...

Teddy Bear - Glad you arrived. :) Understand the statement to tie it in to supply before zone dampers. However, why have adjustable (supply) damper to the basement at all? Why not have it pull...

HELPMEHVAC: Your answer is a bit confusing to me. Do you mean DEhumidifier or humidifier like you said? I already have a humidifier tied into system (whole house). For the DEHUMIDIFIER on...

With GREENSPEED set at 72-75 degrees, this house would be FREEZING because of the low relative humidity. What I want is 78 degrees w/45% humidity at most. This GREENSPEED can't do it because its...

AC is set at 76 or 77 degrees when we're home. Wife likes it at 78. :)

I have a properly installed GREENSPEED system which is able to pull down the humidity in the house to ~ 52% in Summer. Not bad, but I'd like to get it 10 points less - to ~ 42%-45% max (or whatever...

Frustrating, but I understand the rule. You can see from my 963+ posts I'm not a newby yet I'm not a professional either. What the website loses in this rule is the end-user experience of real...

Anyone have any new info on the availability of this "new" control? Links, pictures, date of availability? TIA!

Any word as to how much "better" this fully modulating furnace is compared to the 3-stage MVC?

That's the question - what is Carrier's definition of "Fall"? October?

I'm about to install a 25VNA and I am interested in the timing of the new Infinity controller. I understand it might be a color LCD, possibly touch-screen. If it comes out in October, I can wait on...

Nearly a year later, I'm wondering if this new Infinity controller is coming out shortly and, if so, when? Anyone have pics or links for it?

TB, what is the cost to operate a "typical" dehumidifier year-round? Are they designed for 24x7x365 operation, or is there a brand which is built more rugged than the others for this type of purpose?

VERY interesting, Teddy Bear. I'll research this option! Thank you. For winter months, how would the Ultra-Aire/Santa Fe w/duct kit operate? I wouldn't want to dehumidify in Winter. Can I...

Dan, no doubt this is a sweet system. Since I already have my 6 month old gas HW heater, I was trying to save it if I could. I'd consider this if I had to get rid of it as a last choice. Thanks...

Genduct, thanks much for this info. I'll call the company and see if they have a product which might fix my issue. Certainly looks like they can guide me to where I need to go.

What product is this? Link??

http://www.aprilaire.com/index.php?znfAction=ProductDetails&category=16&item=8126 If this is the product you're talking about, I don't think it world work for me. What I need is controls to open up...

Hmmm. I'll check this out right now. Thanks!

The tester gave me the 3 choices I listed. Not totally happy with solution as the first one would introduce cold air into basement in Winter, I presume, with no air/energy exchange. 2nd solution is...

Hello all, I just sealed up my attic and super-insulated. 4400 sq' home on 2 floors - Rancher style. CFM50=3540 after sealing and insulating. Before work was done, it was >6600.

When hot water...

Hehehe