peter chang's Discussions (26)

Discussions Replied To (24) Replies Latest Activity

"I am no big fan of PNM. In fact, I have a deep seated hatred of all the giant energy…"

peter chang replied Nov 27, 2015 to Utility Meter Accuracy

78 Nov 29, 2015
Reply by Dennis Heidner

"Ha ha, that's really funny, you've installed a radiant heating system controlled by…"

peter chang replied Dec 12, 2014 to Is there is cost saving for you in having a tankless water heater?

84 Aug 1, 2015
Reply by tedkidd

"Is electricity really the least efficient way to make hot water? I often hear people…"

peter chang replied Dec 12, 2014 to Is there is cost saving for you in having a tankless water heater?

84 Aug 1, 2015
Reply by tedkidd

"If it is of any interest, I haven't really looked at the energy bill aspect of it, b…"

peter chang replied Dec 11, 2014 to Is there is cost saving for you in having a tankless water heater?

84 Aug 1, 2015
Reply by tedkidd

"This interests me. So a purchased unit of energy in NG is approximately 3.5 times mo…"

peter chang replied Dec 10, 2014 to Is there is cost saving for you in having a tankless water heater?

84 Aug 1, 2015
Reply by tedkidd

"I think it is quite possible the greatest savings will be realized by the lowest vol…"

peter chang replied Nov 22, 2014 to Is there is cost saving for you in having a tankless water heater?

84 Aug 1, 2015
Reply by tedkidd

"Good plan, thanks. That looks pretty much like how I used to program mine (when I ha…"

peter chang replied Nov 22, 2014 to Programmable tstat for electric baseboard?

4 Nov 22, 2014
Reply by peter chang

"Yes, in fact I did just that for my kitchen toe-kick heater because the original the…"

peter chang replied Nov 22, 2014 to Programmable tstat for electric baseboard?

4 Nov 22, 2014
Reply by peter chang

"OK, this is my last one. There is no free lunch. You can't fix technology with more…"

peter chang replied Dec 15, 2013 to Vampire load surprise - garage door openers

90 Dec 15, 2013
Reply by Dennis Heidner

"Wow, I'm impressed that this one is still going. I've been thinking about it some mo…"

peter chang replied Dec 15, 2013 to Vampire load surprise - garage door openers

90 Dec 15, 2013
Reply by Dennis Heidner

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Psychrometric Chart Training

Started by John Krochmalny in Training 6 hours ago. 0 Replies

Too many Heat Pump Water Heaters in a basement?

Started by Brad Cook in General Forum. Last reply by Michael Duclos 12 hours ago. 10 Replies

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler on Monday. 2 Replies

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco on Monday. 1 Reply

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John Krochmalny posted a discussion

Psychrometric Chart Training

Looking through the various areas of this site, I didn't see too much information or training on…See More
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Core Heat And Other Concepts

  In some places the use of solar heated liquids from hot water solar panels are used to provide…See More
12 hours ago
Michael Duclos replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"I’ve been looking into Sanden for a multi-family PH near Laconia, NH, ASHRAE 99.6% temp is…"
12 hours ago
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yesterday
David Butler replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"theoretically, let's say you perfectly isolate the HPWH from a heat source. The HPWH's…"
Monday
David Butler replied to David Butler's discussion How would you insulate this roof?
"Interesting idea. Commercial roof on a slope! Typical density for roofing spray foam is 2.5 to 3.0…"
Monday

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