Hans Joachim Preiss's Discussions (18)

Discussions Replied To (18) Replies Latest Activity

"Dan, Let me attempt to compare apples with apples: My solar thermal system is locate…"

Hans Joachim Preiss replied Apr 29, 2016 to Net Zero Energy Hot Water

18 May 12, 2016
Reply by Tom Mallard

"I use the combination of solar PV and heatpump water heaters in the vast majority of…"

Hans Joachim Preiss replied Apr 29, 2016 to Net Zero Energy Hot Water

18 May 12, 2016
Reply by Tom Mallard

"I personally don't have an answer for you and would have to research the web myself.…"

Hans Joachim Preiss replied Nov 20, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"Most European hardware engages on all sides pulling the door into the gaskets evenly…"

Hans Joachim Preiss replied Nov 12, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"I don't perform any audits myself, but I came across this relatively new tool that m…"

Hans Joachim Preiss replied Sep 17, 2015 to What is the best energy auditing software?

18 Apr 12, 2016
Reply by Ben Meyer

"A hole dip tube would only play a role when hot water is drawn and cold water enters…"

Hans Joachim Preiss replied Sep 5, 2015 to Does calcification affect electric water heater aquastat temperature sensor performance?

19 Sep 24, 2015
Reply by tedkidd

"Rod, Because the tank is not overheating, the behavior is either normal for this tan…"

Hans Joachim Preiss replied Aug 27, 2015 to Does calcification affect electric water heater aquastat temperature sensor performance?

19 Sep 24, 2015
Reply by tedkidd

"Calcification happens on the heating elements because hardness causing minerals are…"

Hans Joachim Preiss replied Aug 27, 2015 to Does calcification affect electric water heater aquastat temperature sensor performance?

19 Sep 24, 2015
Reply by tedkidd

"Good discussion. I came across this comprehensive presentation by Gas Consultants on…"

Hans Joachim Preiss replied Jul 2, 2015 to Does altitude affect AFUE? or just the input/output BTUs?

25 Jul 15, 2015
Reply by Morgan M Audetat

"Rod, Correct me if I am wrong, but you're saying "AFUE" but really mean "actual effi…"

Hans Joachim Preiss replied Jun 26, 2015 to Does altitude affect AFUE? or just the input/output BTUs?

25 Jul 15, 2015
Reply by Morgan M Audetat

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Seeking Innovation in Roofing Systems

Posted by Sarah OConnell on May 12, 2017 at 9:47am 0 Comments

Oak Ridge National Lab has partnered with GAF to host a technology challenge on roofing systems.  The challenge is part of the online crowdsourcing site, JUMP, and aims to identify innovation solutions for ensuring energy efficient and durable…

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Top tips for maintaining an evaporative cooler

Posted by Kobus Niemand on May 4, 2017 at 3:30am 0 Comments

Evaporative coolers, also known as swamp coolers have become a top choice for anyone looking for an alternative cooling solution from their home or office. In the past, evap cooler technology was limited for use in large operations that have easy…

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Congratulations to the 2017 Race to Zero Winners!

Posted by Home Energy Magazine on May 9, 2017 at 6:56am 0 Comments

The Ryerson University and University of Toronto team topped the …

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Connecting the Dots: Real Estate and Home Performance

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A new type of conversation between REALTORS® and their clients is changing the real estate industry before our eyes. As homebuyers browse Zillow listings and spend…

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Washington State Seeks Weatherization Field Monitor

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Horace Douglas Hunt, Jr. posted a status
"Still looking to purchase a used RetroTec blower door - complete system. Anyone have something available?"
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Sean Lintow Sr replied to Luis Hernandez's discussion Solar panel leasing
"Sorry but no, not that big of a thing up here Biggest issue I see for most is everyone grid ties…"
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