Dennis Heidner's Discussions (173)

Discussions Replied To (148) Replies Latest Activity

"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

"AO Smith Vertex is about $1600, 90% efficient, 78,000 BTU,  which means you might be…"

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

32 May 28, 2014
Reply by Dennis Heidner

"Nearly all the manufacturers also offer tanked condensing gas hotwater heaters with…"

Dennis Heidner replied May 22, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

"First,  always check with your utility.  Sometimes the utilities have made arrangeme…"

Dennis Heidner replied May 15, 2014 to Where did you buy your LED lights?

23 Nov 14, 2014
Reply by Dennis Heidner

"Several things to consider: 1) The hot water usage. The first unit (Amazon) is only…"

Dennis Heidner replied Apr 29, 2014 to Tankless Water Heaters... has their time finally come?

32 May 28, 2014
Reply by Dennis Heidner

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Mariusz Chorazy posted a blog post

Here are a few tips to keep your air conditioning bill low

TAKE GOOD CARE OF YOUR AIR CONDITIONER – Like any major appliance, your AC requires regular…See More
3 hours ago
Dale Pickard replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"Morgan, I got this below from the Knight installation manual. I note a few things, -These…"
6 hours ago
Dale Pickard replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"Hans, The car manufacturer's are doing it with mass flow sensors and oxygen sensors…"
19 hours ago
Dale Pickard replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"I was trying to avoid naming manufacturers, but I was going by the published information for the…"
20 hours ago
Eric Kjelshus replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"I look at this not about AFUE,  but flue gas dewpoint.  If your burn rate is rotting the…"
22 hours ago
Bob Blanchette replied to Kirsten Richnavsky's discussion Crawl spaces and attics: OSHA to implement new rule on confined spaces
"Keeping HVAC equipment out of attics should be part of the new code. "
23 hours ago
Linda Wigington replied to Linda Wigington's discussion Weigh in - Honorable Mention? 2nd Base? Half-Way There? 50% Better? On the Path? in the group 1000 Home Challenge
"Nickie -  Good points. I think it is easy enough to flag or designate projects that achieve…"
yesterday
Morgan M Audetat replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"Though Viessmann is relatively unique in the application of Lambda technology to condensing…"
yesterday

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