Best Practices (33)

Discussions Replies Latest Activity

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, 2014
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

Misting Aeroseal in Pressurized Home = Amazing Air Sealing Innovation

As a training program manager for a non-profit, I am often too busy managing my program to catch all of the latest and coolest innovations…

Started by George Kopf

0 May 24, 2013

Backdraft Detectors - Are they reliable?

On a recent Quality Assurance site visit, I found a gas-fired water heater with a "Vent-rite Spill Alarm" installed on the flue. The contr…

Started by Nick Helmholdt

2 May 10, 2013
Reply by Jim Peck

Frozen Pipes on Interior Wall

On a recent quality assurance site inspection I found a situation where pipes froze and burst within an interior wall. Here is the story:…

Started by Nick Helmholdt

7 Mar 14, 2013
Reply by Michael Jensen

Appraisal Institute Updated the Residential Green and Energy Efficient Addendum

The changes made to the Addendum will enhance the reporting of the green and energy features.  It is written for homeowners, builders, appr…

Started by Sandra K. Adomatis, SRA

1 Mar 12, 2013
Reply by Guy DuBois

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BPI Anaylist

Started by Larry R Waters in BPI 2 hours ago. 0 Replies

What causes a temperature plane in a home

Started by Energy Wise Solutions in HVAC. Last reply by Brad Cook 11 hours ago. 6 Replies

Velocity Pressure Testing

Started by Horace Douglas Hunt, Jr. in General Forum. Last reply by Horace Douglas Hunt, Jr. Apr 15. 2 Replies

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BPI Anaylist

Industry leader in the north bay area California. Looking for experienced professionals and…See More
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This group is for posting jobs related to all aspects of the home performance industry including…See More
2 hours ago
John Nicholas replied to Jim Fowler's discussion TREAT modeling of mid-rise apartments low heating load
"So why is tenant behavior significantly different in this building?"
3 hours ago
Jim Fowler replied to Jim Fowler's discussion TREAT modeling of mid-rise apartments low heating load
"Hi John - I'm strictly modeling the entire building, not individual units. I'm looking…"
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John Nicholas replied to Jim Fowler's discussion TREAT modeling of mid-rise apartments low heating load
"Where is this going?  Are you (the housing authority) trying to set the Utility Allowance?…"
8 hours ago
Brad Cook replied to Energy Wise Solutions's discussion What causes a temperature plane in a home
"It is interesting that people respond to questions like this with answers that make some…"
11 hours ago
Ed Minch replied to Energy Wise Solutions's discussion What causes a temperature plane in a home
"We see this in the mid-Atlantic with ceiling feeds on a hot air system, and usually with a…"
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North East Hydronic Radiant Inc posted photos
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