HVAC (49)

Discussions Replies Latest Activity

Are Zoned Heating/Cooling Systems a Good Idea or a Bad Idea?

For starters, I live in Atlanta, Ga and I am not an HVAC pro so this is a serious question that I would like answered for one of my clients…

Started by Jon LaMonte

23 Jan 17, 2012
Reply by George W. Reynolds

AHR show in Chicago

If anyone is interested in attending the show on January 23,24,26, at Mccormick place go to the AHR website (HVACR) and register for free a…

Started by randy tolowski

0 Jan 15, 2012

Dense pack cellulose in rafters

Just looking for thoughts about sealing an attic that has HVAC equipment in it by using a netting product and dense packing cellulose in th…

Started by Brad Brinke

19 Dec 22, 2011
Reply by Joseph Miuccio

Needed: Tips and tricks for duct testing

  I am building a new page on our website www.retrotec.com, to help those looking for information on duct testing and adhering to duct test…

Started by Silvie Votrubova

12 Nov 3, 2011
Reply by Andre D.

Duct Sealing Spray From the Inside

I had a call from a customer asking me if we sealed ducts.  He was watching This Old House on TV and the contractors were using equipment t…

Started by Jon LaMonte

11 Feb 28, 2011
Reply by Evan Mills

Hvac techs

We are looking for ambitious hvac journeyman in central MD.  If you are interested email me timkenny@housewarmers.org

Started by Tim Kenny

1 Feb 6, 2011
Reply by Diane Chojnowski

Got Data? How much leaking electricity is there in HVAC systems?

I poked around when shopping for fuel-firedboilers and couldn't find anything official.  Ran across estimates ranging from a few watts to 3…

Started by Evan Mills

11 Jan 2, 2011
Reply by Bradford E. White

ENERGY STAR Version 3 white paper

If you thought getting Manual J reports and correct sizing have been difficult in ENERGY STAR Version 2, just wait till Version 3 kicks in.…

Started by Allison A. Bailes III

2 Dec 5, 2010
Reply by Allison A. Bailes III

Combustion Appliance Testing Can Be Easy if You Understand What and Why You Are Testing

Lots of energy auditors, inspectors, HVAC folks, and air sealers are confused about how, when, and why it is important to test combustion a…

Started by A. Tamasin Sterner

10 Dec 2, 2010
Reply by Tim Phillips

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Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler yesterday. 15 Replies

Psychrometric Chart Training

Started by John Krochmalny in Training. Last reply by Mahendra Shah yesterday. 1 Reply

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco on Monday. 1 Reply

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tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
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Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
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David Butler replied to David Butler's discussion How would you insulate this roof?
"Stuart, I wasn't considering the copula windows... yes, those would indeed need to be…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"Well, @David Butler, you have seen the property more accurately than I have, but my impression of…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"@ Stuart,I don't think there's any concern about impact of 4" build-up on elevation…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"So this building has a few issues with air leaks and air leaks have so much to do with discomfort…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"John Hatfield has the right idea here for a new roof deck. Polyiso boards always need a good stout…"
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