David Berg
  • North Wales, PA
  • United States
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Latest Activity

David Berg replied to Patrick Michaelyan's discussion Insulating the "walls" of a mansard-style roof.
"If the sheathing is being removed, then installing a layer of rigid foam under new sheathing is appropriate.  There should be a non condensing insulation layer adjacent to the "roof" sheathing.  In the DC climate zone this is…"
Dec 5, 2013
David Berg replied to Mike Kandel's discussion BPI's October Stump the Chump! in the group Building Performance Institute (BPI)
"looking at the information provided: 1 - is the system a multistage unit to better match load as well as zoning demands. 2 - is the heating capacity properly matched to to home demand - does the backup heat run? 3 - is the cooling capacity too large…"
Oct 26, 2012
David Berg joined Leslie McDowell, BPI's group
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Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit work.See More
Oct 26, 2012
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity
"Good question. According to the technical documents the humidistat can be wired in and call for cooling operation with the the blower operation profile that is setup on the dip switches. "
Jun 29, 2012
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity
"This unit is a TRANE UY120R9V5V gas furnace installed with a 5 ton Trane coil and 4 ton Trane compressor."
Jun 29, 2012
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity
"My home also has variable speed blower and a special blower setting to maximize system performance and moisture extraction.  I have attached an extraction from the air handler documentation showing how the blower operation can be moderated.…"
Jun 29, 2012
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity
"Some manufacturers have a ramp down and in some cases a ramp up fan behavior (variable speed blowers) that run at lower speeds for a few minutes at the end and beginning of the cooling cycle to extract more moisture from the air stream.  This…"
Jun 28, 2012

David Berg just added their location.
(via Member Map)

Mar 26, 2012
David Berg commented on Ed Voytovich's blog post NOx NOx "Who's There?"
"In my Testo 327-2 analyzer, there is a NO filter that removes the NO before the CO sensor.  It is one of the maintenance items that has to be replaced when the absorbing chemical is consumed.  Are you concerned about the CO readings or the…"
Mar 26, 2012
David Berg updated their profile photo
Dec 16, 2010
David Berg is now a member of Home Energy Pros
Nov 30, 2010

Profile Information

Company
DSB Energy Services
Professional Certification
BPI, RESNET
Website URL
http://www.dsbenergy.com

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Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

Paul Raymer posted a blog post

Rocket Science?

The old expression when something is supposed to be simple is to say that, “This is not rocket…See More
1 hour ago
Sean Lintow Sr replied to Jim Gunshinan's discussion Tax Time Blues
"Well if I had to guess your credit will be 0 as it used to be up to $1500 & wasn't as hard…"
1 hour ago
Hannah Miller commented on Adam Flowers's blog post Comfort as a Selling Point
"Hello Adam! I hope you are still messages from this site. I just was forwarded your post and it…"
10 hours ago
Michael Dunseith replied to robert jones's discussion Should your local weatherization company be required to have someone BPI certified on their staff?
"Why the concern with airflow around heating and domestic pipes? Most are inside the envelope. What…"
12 hours ago
Tom White posted a video

Weatherization to Home Performance -- Tools & Tips for Developing For-profit Services

Are you a low income weatherization contractor looking to add home performance work you your services? The Home Performance Resource Center, Efficiency First, and NCAF present resources developed through expert industry engagement. While many of the…
14 hours ago
Jim Gunshinan posted a discussion

Tax Time Blues

There is a tax credit available to homeowners who have walls insulated. The credits were continued…See More
15 hours ago
Bruce Glanville replied to robert jones's discussion Should your local weatherization company be required to have someone BPI certified on their staff?
"I have been testing homes for my state utility as a baseline residential load data collection…"
15 hours ago
Stan Kuhn replied to Jim Gunshinan's discussion When your shower is in your kitchen...
"I think this is in the wrong Forum, it belongs in Hall of Shame.  One the dumbest ones…"
16 hours ago

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