Dennis Heidner's Discussions (200)

Discussions Replied To (172) Replies Latest Activity

""building science specialist in charge of energy efficiency in Berkeley " The specia…"

Dennis Heidner replied May 31, 2014 to On the Question of Airtightness and Energy Performance

28 Jun 20, 2014
Reply by Brennan Less

"That is probably what I was seeing also.  I  spent time in mid seventies, late 80's…"

Dennis Heidner replied May 28, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"Steven, last time I was in Germany,  nearly every residential house (older than 10 y…"

Dennis Heidner replied May 28, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"Yes, I do... re-read my comments in the whole blog.  It was pro's and con's, plus th…"

Dennis Heidner replied May 27, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"I am an engineer.  And yes I do understand latent and sensible heat.  And I do have…"

Dennis Heidner replied May 27, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"The small heat loss from the heater and keeping the area warm is exactly something t…"

Dennis Heidner replied May 27, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"Absolutely!   I sometimes cringe when I've seen some of the DIY tankless installatio…"

Dennis Heidner replied May 25, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"And that really is a very good point.    I have friend/relative that really seem to…"

Dennis Heidner replied May 25, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"That really depends on your location.  Northern climates yes,  but Hawaii,  or clima…"

Dennis Heidner replied May 25, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"Yes,  and the authors unit (Marey) is probably okay,  until you look at what else mi…"

Dennis Heidner replied May 23, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

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