HVAC Discussions (33)

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Historic Home Radiant Hot Water

I am modeling a home this week that was built in 1927. Heated (CZ 4) with a 1927 coal fired boiler that was converted to NG in the mid 1960…

Started by John Nicholas

2 Jul 10, 2011
Reply by Bill Bradbury

Is this ductwork legal?

This furnace was installed two years ago in a conditioned basement.  The ductwork is a thin flexible plastic like that of a clothes dryer (…

Started by Jeff Mounts

2 Jul 10, 2011
Reply by Bill Bradbury

Sizing Heat Pumps In Southwest Ohio

I am participating in a DOE Better Buildings  program in southwest Ohio that is in its infancy stages. During discussions while setting the…

Started by Jeremy Begley

2 May 12, 2011
Reply by Kyle Brown

Multifamily HVAC is of course a whole different animal

We'd like to hear from you on how the topic of this group applies in the context of multifamily buildings---> here

Started by Evan Mills

0 Feb 1, 2011
Reply by Kyle Brown

BPI vs HERS

Allison, what are the major differences between the two, and what are the pros and cons of each?

Started by Bob Pietrangelo

1 Jan 8, 2011
Reply by Allison A. Bailes III

Looking For Good HVAC Data

I'm looking for good reference data for modeling HVAC equipment using make and model number.  Preston's doesn't work so well, few Mfr. site…

Started by Stan Kuhn

3 Dec 20, 2010
Reply by Allison A. Bailes III

what are the pros and cons of a hydronic system

and what has to be done to change out the current HVAC system? Please keep in mind building science, being green and sustainablity. Judi Sh…

Started by Judi Lyall

3 Dec 17, 2010
Reply by David Eggleton

Looking for an HVAC contractor

Hi Folks,    What a better place than here to find a HVAC contractor who knows how to do their stuff. My mom needs to replace her package u…

Started by Judi Lyall

1 Dec 16, 2010
Reply by Diane Chojnowski

Pitched Furnace

I have an 90VX Trane furnace.  I have had off and on problems almost since day one.  They have replaced in inducer motor 3 times, the blowe…

Started by Bruce Gold

4 Dec 14, 2010
Reply by Bruce Gold

What they're doing in the UK

Blog post to share... Click here to learn about the search for the oldest boiler in the UK

Started by John Barba

0 Nov 27, 2010

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Discussion Forum

HVAC integration – the past, the present, and the future

Started by Igor Mitbarg. Last reply by Lucifer Prescott Apr 11. 1 Reply

Target superheat formula

Started by Miguel Orduno. Last reply by John Proctor Feb 18, 2015. 6 Replies

Now for Something Different

Started by John Porterfield. Last reply by John Porterfield Jan 12, 2015. 2 Replies

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