Hans Joachim Preiss's Discussions (12)

Discussions Replied To (12) Replies Latest Activity

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

Hans Joachim Preiss replied on Thursday to Does calcification affect electric water heater aquastat temperature sensor performance?

13 on Thursday
Reply by Rod Fox

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

Hans Joachim Preiss replied on Thursday to Does calcification affect electric water heater aquastat temperature sensor performance?

13 on Thursday
Reply by Rod Fox

"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

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