Hans Joachim Preiss's Discussions (10)

Discussions Replied To (10) Replies Latest Activity

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

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

25 Jul 15
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 to Does altitude affect AFUE? or just the input/output BTUs?

25 Jul 15
Reply by Morgan M Audetat

"Many good points made here. As has been said before, low ground water temperatures a…"

Hans Joachim Preiss replied Apr 23 to Can tankless water heaters provide hot water even when the groundwater is fairly cold?

19 May 10
Reply by Morgan M Audetat

"The type and concentration of pollutants very much depends on the people living in t…"

Hans Joachim Preiss replied Jan 7 to Basing air exchange on house volume??

17 Jan 8
Reply by Dennis Heidner

"We should mention that Transformations' homes in MA have 12" Double Studded R-45 Low…"

Hans Joachim Preiss replied Feb 24, 2014 to Ductless Heat Pump vs Radiant

11 Feb 24, 2014
Reply by Hans Joachim Preiss

"Quality of life is very important to me, and I am trying to convince my customers th…"

Hans Joachim Preiss replied Feb 23, 2014 to Ductless Heat Pump vs Radiant

11 Feb 24, 2014
Reply by Hans Joachim Preiss

"James wrote 4800 HDD, which I would not consider a mild climate. Super insulated hom…"

Hans Joachim Preiss replied Feb 23, 2014 to Ductless Heat Pump vs Radiant

11 Feb 24, 2014
Reply by Hans Joachim Preiss

" 100% electric makes it easier to go net zero. A heatpump allows both heating and c…"

Hans Joachim Preiss replied Feb 23, 2014 to Ductless Heat Pump vs Radiant

11 Feb 24, 2014
Reply by Hans Joachim Preiss

"Do you have any need for cooling or dehumidification? If you don't, I don't see that…"

Hans Joachim Preiss replied Feb 20, 2014 to Ductless Heat Pump vs Radiant

11 Feb 24, 2014
Reply by Hans Joachim Preiss

"Could it be that you have a boiler with tankless coil? Boilers are for hydronic heat…"

Hans Joachim Preiss replied Jun 8, 2013 to Selecting a Water Heater

15 Jul 16, 2013
Reply by Joe Romero

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John Nicholas replied to Sean Lintow Sr's discussion Duct Testing - is a change in order? in the group Best Practices (Residential)
"Yes,  I was connected to the AH cabinet.  I find it easier in this area, given the common…"
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Colin Genge replied to Kim Tanner's discussion Blower Door Applications Guide in the group Multifamily Buildings
"This is a great guide that anyone testing with multiple fans should get hold  of. "
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Colin Genge added a discussion to the group Multifamily Buildings
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Just posted a lot of Multi-Family oriented blower door videos.

Just posted a lot of Multi-Family oriented blower door videos. Everything to do with Multi-Fan…See More
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Multifamily Buildings

For too long there has been relatively little EE focus on multifamily, but some new programs have…See More
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Colin Genge replied to Sean Lintow Sr's discussion Duct Testing - is a change in order? in the group Best Practices (Residential)
"I would assume you tested that high air leakage from the equipment cabinet and not on a flex…"
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Colin Genge replied to Sean Lintow Sr's discussion Blower Doors & Methods Used in the group Best Practices (Residential)
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Best Practices (Residential)

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