Best Practices (29)

Featured Discussions

Fixing a water heater?

I've been doing HP assessments for 12 years, but find myself a little limited in my knowledge of this issue. Here's the scenario: I do an i…

Started by John ShillitoLatest Reply

Best practice recommendations for this vaulted ceiling?

Hello energy pros, Some relatives of mine recently purchased this 1917 house in Northern California and, as the family member who does "th…

Started by Griffin HagleLatest Reply

Is my HVAC Guy correct? 2 systems instead of 1 system with Dampers

I'll soon be working on converting a second floor of a residential building that was never finished and is being used as an attic for the…

Started by scottscontractingLatest Reply

Discussions Replies Latest Activity

Fixing a water heater?

I've been doing HP assessments for 12 years, but find myself a little limited in my knowledge of this issue. Here's the scenario: I do an i…

Started by John Shillito

14 Jul 31
Reply by Larry Nissman

Media Reports Spray Polyurethane Foam Insulation spontaneously combusted a $5M Connecticut Home

Below are the links relating to this issue... http://www.rescue9photography.com/Fires-2014/Middlebury-structure-fire-7-3/   http://wtnh.com

Started by Richard Beyer

6 Jul 12
Reply by Richard Beyer

Best practice recommendations for this vaulted ceiling?

Hello energy pros, Some relatives of mine recently purchased this 1917 house in Northern California and, as the family member who does "th…

Started by Griffin Hagle

12 Apr 14
Reply by Griffin Hagle

Hot roof in a cold climate?

Hey Home Energy Pro's! Tim Reynolds here in Des Moines Iowa, I have been able to work with a group here that is trying out a hot roof syst…

Started by Tim Reynolds

6 Feb 26
Reply by Sean Lintow Sr

what is more efficient a boiler or hw ?

recently a customer asked me what will be more efficient equipment for a hotel. right now its working with 3 hw, two 2000btu input and one…

Started by David martinez

1 Feb 3
Reply by Sean Lintow Sr

Is my HVAC Guy correct? 2 systems instead of 1 system with Dampers

I'll soon be working on converting a second floor of a residential building that was never finished and is being used as an attic for the…

Started by scottscontracting

54 Nov 9, 2013
Reply by Curt Kinder

Sizing A Ground Heat Exchanger for Installation

Ground Heat Exchanger (GHE) is the key to the efficiency of a Ground Source Heat Pump (GSHP). However, GHE is not standardized as other par…

Started by Perry Ning

1 Sep 14, 2013
Reply by Bob Blanchette

2nd Edition! Home Performance Diagnostics: the Guide to Advanced Testing

Now in its 2nd Edition, Home Performance Diagnostics includes over 40 diagnostic tests in 220 pages, with 180 full-color photos walking you…

Started by Corbett Lunsford

0 Jun 7, 2013

Boxing and Insulating Around Non-ICAT Cans

I have a client with 16) 4" halogen recessed light fixtures in the attic. I'd like to cover the cans with air tight, fire rated boxes. The…

Started by Bachi Brunato

9 May 31, 2013
Reply by peter chang

air sealing sprinklers

does anyone have experience air sealing fire sprinklers?   Per California code, all new  homes must have fire sprinklers.... think 30 to 40…

Started by mike keesee

8 May 28, 2013
Reply by Ed Minch

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Latest Activity

Bud Poll replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Hi Hal, Search "Basecalc basement heat loss".  From memory Canada (nrcan) has/had a…"
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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 …"
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Alliant Energy's PowerHouse TV: Sealing Leaky Ductwork

"Very educational. thanks for sharing Tom."
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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
19 hours ago

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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…"
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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…"
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