Dennis Heidner's Discussions (203)

Discussions Replied To (174) Replies Latest Activity

"There are a several of issues with using the roof as solar collector.  If carefully…"

Dennis Heidner replied Jul 11, 2014 to Solar Heat Air

11 Jul 17, 2014
Reply by Bradley Wiesneth

"If it is an A-19 type screw base,  the fixture and wiring should be compatible.  The…"

Dennis Heidner replied Jul 8, 2014 to Flickering LED lights

22 Feb 5, 2015
Reply by nakeme

"For raw data about solar insolation: https://www.eol.ucar.edu/projects/hydrometnet/m…"

Dennis Heidner replied Jul 4, 2014 to Solar Heat Air

11 Jul 17, 2014
Reply by Bradley Wiesneth

"There is a great deal of data, engineering, white papers, and published work on sola…"

Dennis Heidner replied Jul 4, 2014 to Solar Heat Air

11 Jul 17, 2014
Reply by Bradley Wiesneth

"It probably is the dimmer.   Dimmers generally operate by turning on X amount of tim…"

Dennis Heidner replied Jul 4, 2014 to Flickering LED lights

22 Feb 5, 2015
Reply by nakeme

"Ugh,  hopefully she doesn't advocate the air filtering fiberglass insulation. I supp…"

Dennis Heidner replied Jun 19, 2014 to On the Question of Airtightness and Energy Performance

28 Jun 20, 2014
Reply by Brennan Less

"Thanks, Brennan. That was the point I was trying to make.  And the Berkley building…"

Dennis Heidner replied Jun 19, 2014 to On the Question of Airtightness and Energy Performance

28 Jun 20, 2014
Reply by Brennan Less

"The LBNL studies pretty much demonstrate that you have savings by tightening up a bu…"

Dennis Heidner replied Jun 5, 2014 to On the Question of Airtightness and Energy Performance

28 Jun 20, 2014
Reply by Brennan Less

"I think if you read my comments and the articles - there are many caveats that go al…"

Dennis Heidner replied Jun 5, 2014 to On the Question of Airtightness and Energy Performance

28 Jun 20, 2014
Reply by Brennan Less

"Yeah,  and he should also suggest logging the relative humidity in the house...  wro…"

Dennis Heidner replied Jun 5, 2014 to On the Question of Airtightness and Energy Performance

28 Jun 20, 2014
Reply by Brennan Less

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Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler 13 hours ago. 15 Replies

Psychrometric Chart Training

Started by John Krochmalny in Training. Last reply by Mahendra Shah 16 hours ago. 1 Reply

Dirty solar panels

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

Latest Activity

tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"Yeah. Gas water…"
5 hours ago
Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"With super cheap natural gas prices now, still worth going all electric?  Tankless needs a lot…"
7 hours ago
Stuart Langley liked Chris Clay's photo
11 hours ago
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…"
13 hours ago
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…"
13 hours ago
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…"
14 hours ago
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…"
15 hours ago
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…"
15 hours ago

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