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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Latest Activity

Todd Collins replied to Patrick Michaelyan's discussion Vinyl Siding with Integral Insulation
"Keeping air from getting into the wall assembly is important - so answer to your question air…"
50 minutes ago
Sean Lintow Sr replied to Patrick Michaelyan's discussion Vinyl Siding with Integral Insulation
"You might want to check out BSC (Joe Lstiburek) perfect wall assembly As for builders & new…"
1 hour ago
Patrick Michaelyan replied to Patrick Michaelyan's discussion Vinyl Siding with Integral Insulation
"Todd, I've heard much said about this over the years. Quite frankly, my understanding of…"
1 hour ago
Todd Collins replied to Patrick Michaelyan's discussion Vinyl Siding with Integral Insulation
"might want to consider vapor permeability.   Need to move the dew point out far enough to…"
8 hours ago
bill lazar replied to robert jones's discussion Should your local weatherization company be required to have someone BPI certified on their staff?
"all this will be clarified soon with the new SWS guidelines mandated by DOE- but just WZ…"
9 hours ago
Glen Gallo replied to Brady Mills's discussion Can someone recommend a whole home water filtration system?
"I was in the business of cleaning up water at one point. We produced spot free pressure washers of…"
11 hours ago
Patrick Michaelyan replied to Casey Gesell's discussion Looking for home improvement companies to join our dealer network!
"Casey I'm in Arlington, VA."
13 hours ago
Patrick Michaelyan replied to Patrick Michaelyan's discussion Vinyl Siding with Integral Insulation
"Thanks for the input Dennis!"
13 hours ago

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