Dennis Heidner
  • Kirkland, WA
  • United States
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Dennis Heidner replied to Patrick Michaelyan's discussion Hot Upper Stories
"Could you have them make a simple two line graph of the outside temperature, noting sun/clouds,  their comfort in the rooms, vs the time of day.  Home much of this is heat soak from the ceiling, or through the walls.  Give them a…"
yesterday
Dennis Heidner replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"The press report really doesn't give enough information to clearly answer why  they are seeing those numbers.  However for four of the six bullets I can suggest reasonable possibilities. 1. Replacing incandescent lightbulbs with…"
yesterday
Dennis Heidner replied to J.C. Martel's discussion Disasters & sustainable energy
"Such as Greensburg KS? http://www.greensburggreentown.org/ http://en.wikipedia.org/wiki/Greensburg,_Kansas The new Bullitt Center building is designed to last 200+ years, survive magnitude 9 earthquake, meet the living building challenge - and it…"
yesterday
Dennis Heidner commented on Tom Delconte's blog post Robert Shiller Says Retrofits Are Never Worth It!
"R Higgins,  I agree.  That is why I am becoming more convinced that all buildings (including residences) should have energy benchmarks that are included when listed (by someone certified).  It does add cost to the transaction, it may…"
May 12
Dennis Heidner commented on Tom Delconte's blog post Robert Shiller Says Retrofits Are Never Worth It!
"This is also interesting reading...  Why banks are reluctant to finance energy…"
May 3
Dennis Heidner commented on Tom Delconte's blog post Robert Shiller Says Retrofits Are Never Worth It!
""The never" and "always" words frequently come back to haunt the writer (as does "frequently"). "
May 3
Dennis Heidner replied to randy tolowski's discussion Why is this picture important in understanding moisture in buildings?
"I recognize this is an OLD OLD post,  but there are additional reasons for using cisterns -- even in the rainy Seattle area. 1.  Landscape watering - during the dry summer season... seems real crazy but we've had water rationing…"
May 3
Dennis Heidner replied to Danny S. Parker's discussion Phased Deep Retrofit Project in Florida
"I can think of multiple cases that would fail Robert Shillers example. 1) The owners like the property and intend to stay a  there a long time.  The house is old and uncomfortable so they want to fix it. 2) They place a value on…"
May 3
Dennis Heidner replied to Dennis McCarthy's discussion LEDs Magazine's comparision of some A-19 LED choices
"Tom,  the LED lightbulb replacements for the automobiles have progress significantly also.  They are pretty much plug and play.  Except for the really really old 6V cars...  There are options now for CAN and non-CAN bulbs. CAN…"
Apr 29
Dennis Heidner replied to Danny S. Parker's discussion Phased Deep Retrofit Project in Florida
"Some of the houses have a high energy use for dryers when compared to the water heater (house #33) and others are just the opposite -- large water heater load for low dryer (#19).  Have you broken out which houses use solar hot water and…"
Apr 28
Dennis Heidner replied to Jason Raddenbach's discussion New PV system. What is your experience with different panel manufacturers?
"I should add, since the thread was about solar PV.  I have both Sharp and Solarworld panels on my roof top.  AC output peak is around 9kW.  Spring/Summer I can produce 60kWhr a day.  Washington has net-metering - so I use that to…"
Apr 22
Dennis Heidner replied to Jason Raddenbach's discussion New PV system. What is your experience with different panel manufacturers?
"I am a relatively newby (really concentrating on efficiency),  perhaps seven or eight years now.  I spent years reading papers by Danny... :-) My early, early, introduction into renewables and the world of energy go back to nearly the…"
Apr 22
Dennis Heidner replied to Jason Raddenbach's discussion New PV system. What is your experience with different panel manufacturers?
"We have ours going back during that time also.  Quicken, scanners and document organizers.  We might be a little bit obsessive we track things down in under one minute intervals...  but if you are doing a science/research project --…"
Apr 20
Dennis Heidner commented on Chris Laumer-Giddens's blog post Installing Ducted Mini-Splits and ERV in Modern High Performance Home
"About the 13th picture down -- the duct runs through the floor joists.  The joists are engineered I beams - with some pretty huge holes cut in them for the duct work.  Did the structural people agree to that? Or is it just a lense/camera…"
Apr 11
Dennis Heidner replied to Paul Raymer's discussion Looking for a cure for a warping hardwood floor not caused by a leak
"David,  your suggestion is really very good.  Since so many dishwashers are hooked up into the sink,  it's obvious to check only the sink.  But if the dishwasher motor seals are failing,  water will drip out onto the…"
Apr 11
Dennis Heidner replied to Nick Helmholdt's discussion Backup Power for Pump on Radiant Heat System
"Another blog on homenergypros discussed the problems with the portable temporary generators... too many people running them closed to the house - with the resulting CO poisoning.  I have lots of UPS's for computers including some 1000VA…"
Apr 11

Profile Information

Company
Rextorgroup
Professional Interests
Energy efficiency, building envelop, renewables, building modeling

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At 12:25pm on March 21, 2013, Diane Chojnowski said…

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Bud Poll replied to Bachi Brunato's discussion Boxing and Insulating Around Non-ICAT Cans
"This is a topic I have discussed many times, but unfortunately cost is all too often the deciding…"
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Sean Lintow Sr replied to Bachi Brunato's discussion Boxing and Insulating Around Non-ICAT Cans
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Bachi Brunato posted a discussion

Boxing and Insulating Around Non-ICAT Cans

I have a client with 16) 4" halogen recessed light fixtures in the attic.I'd like to cover the cans…See More
15 hours ago
Dennis Heidner replied to Patrick Michaelyan's discussion Hot Upper Stories
"Could you have them make a simple two line graph of the outside temperature, noting sun/clouds,…"
yesterday
Bob Blanchette replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"You make some valid points, especially with the base rate charges. Increasing the base rate instead…"
yesterday
Bob Blanchette replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"Amen, make energy show it's true cost instead of subsidizing it. We have some of the lowest…"
yesterday
Dennis Heidner replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"The press report really doesn't give enough information to clearly answer why  they are…"
yesterday
Edward Foskey commented on Edward Foskey's blog post Preparing to Update the Heat Pump
"Gustavo, Thanks for the input. I agree with you in that I will be waiting till my system's…"
yesterday
Gustavo Melo commented on Edward Foskey's blog post Preparing to Update the Heat Pump
"Any system that is out of warranty is really a coin toss as to whether it is financially better to…"
yesterday
Dennis Heidner replied to J.C. Martel's discussion Disasters & sustainable energy
"Such as Greensburg…"
yesterday

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