Dennis Heidner's Discussions (138)

Discussions Replied To (113) Replies Latest Activity

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

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

32 May 28
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 to Tankless Water Heaters... has their time finally come?

32 May 28
Reply by Dennis Heidner

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

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

32 May 28
Reply by Dennis Heidner

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

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

23 Nov 14
Reply by Dennis Heidner

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

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

32 May 28
Reply by Dennis Heidner

"I believe PolyISO can absorb moisture if it gets wet... and it would get heavy.  Mak…"

Dennis Heidner replied Mar 18 to Rigid Foam (Polyiso) as a Weather-Resistive Barrier

10 Mar 18
Reply by Dennis Heidner

"Dennis McCarthy,  not sure if you've seen this... "Cree Sheds Light on Development o…"

Dennis Heidner replied Feb 16 to Solid state lighting - saves lives- and it improves life .

4 Nov 26
Reply by reflintorm

"It is okay as long as you remember  both green and red are the colors that can not b…"

Dennis Heidner replied Feb 13 to Solid state lighting - saves lives- and it improves life .

4 Nov 26
Reply by reflintorm

"Good point.   The low cost iPhone cameras are also opportunities for teaching moment…"

Dennis Heidner replied Feb 13 to Smartphone Infrared Thermal Imaging Camera

12 Feb 13
Reply by Dennis Heidner

"The resolution and sensitivity of the kickstarter version -- makes it mostly a novel…"

Dennis Heidner replied Feb 10 to Smartphone Infrared Thermal Imaging Camera

12 Feb 13
Reply by Dennis Heidner

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Friday
Dennis Heidner commented on Dale Stephens's blog post LED Lighting 24-month update 18,240 hours & counting
"Dale, good write up. For the landscaping bulbs,  if they had been T3 12V wedge bulbs,  I…"
Friday
Brett Little commented on Tom White's video
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The Future of Housing - And How Airtightness Can Help

"It's very true! So many people and contractors have tons of insulated attics but no air seal…"
Thursday
Chris Leach replied to Richard Beyer's discussion "The Dangers of Using Spray Foam Insulation"
"The problems will surface soon enough . Why don't we take a second look at this over rated…"
Thursday
Don Fitchett commented on Tom White's video
Thursday
tedkidd replied to Bob Blanchette's discussion How does Cycles Per Hour affect real world AFUE?
"Want to spot a simpleton? It's a guy who thinks EE and comfort are disconnected.  Want…"
Thursday
tedkidd commented on Tom White's blog post Clean Energy Works Oregon: Total Home Performance
"Nice post Tom! I really like how he puts that. Leveraging interests so they can optimize…"
Thursday
Kent Mitchell commented on Tom White's blog post Clean Energy Works Oregon: Total Home Performance
"As a contractor in the region - we frequently wonder how/why you can be a non-profit?  Oregon…"
Thursday

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