Dennis Heidner's Discussions (131)

Discussions Replied To (106) Replies Latest Activity

"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 .

3 Feb 16
Reply by Dennis Heidner

"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

"Probably closer to $70... I've been buying at about $35/tube in singles... The life…"

Dennis Heidner replied Feb 10 to The growing need for lighting auditors

13 Feb 10
Reply by Dennis Heidner

"Sorry,  I couldn't resist ... (PIX below) the bulbs below were collected in my house…"

Dennis Heidner replied Feb 9 to The growing need for lighting auditors

13 Feb 10
Reply by Dennis Heidner

"There may be less of a job opportunity in light auditing than suggested.  Interior d…"

Dennis Heidner replied Feb 9 to The growing need for lighting auditors

13 Feb 10
Reply by Dennis Heidner

"You can still modify standard cameras to operate in the near infrared range.  I have…"

Dennis Heidner replied Feb 9 to Smartphone Infrared Thermal Imaging Camera

12 Feb 13
Reply by Dennis Heidner

"Some thermostats also allow adding multiple sensors and then averaging them.  Any se…"

Dennis Heidner replied Jan 16 to Remote temperature sensor for wired thermostat

5 Jan 23
Reply by dale conner

"Has utility suggested where water is entering system...I can't imagine it being on t…"

Dennis Heidner replied Jan 10 to Low Gas Pressure

8 Jan 15
Reply by Tom Delconte

"Water in their side of the high pressure line?  Interesting  if so,  I thought they'…"

Dennis Heidner replied Jan 9 to Low Gas Pressure

8 Jan 15
Reply by Tom Delconte

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Michael Dunseith posted photos
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Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"II just remembered seeing a report by a federal adency, many years ago, that basically said …"
6 hours ago
Don Fitchett commented on Tom White's video
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Alliant Energy's PowerHouse TV: Sealing Leaky Ductwork

"Very educational. thanks for sharing Tom."
9 hours ago
Hal Skinner posted a discussion

How much heat energy is lost through the floor of a house?

I am asking this as I do not recall anyone speaking of any study to this end.  Many comments about…See More
9 hours ago

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10 hours ago
Bud Poll replied to Bud Poll's discussion Another benefit from air sealing
"From my work in NY City many years ago, the critters I saw would never have fit through a quarter…"
14 hours ago
Barbara Smith replied to Bud Poll's discussion Another benefit from air sealing
"Eliminating quarter sized holes can impede rats from entering a building, in areas where rats tend…"
15 hours ago
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