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.
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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

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.  Home Energy Pros is sponsored by the Better Buildings Residential Network.

Latest Activity

Joshua Moore commented on Jim Gunshinan's video
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GoGreen Portland 2014: The Myth of Apathy - Renee Lertzman, Ph.D

"Nice insights.  Engagement defined as a "genuine interest in collaboration, in…"
1 hour ago
Dmitri A Martin replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"The detectors could have been giving false positive readings due to cleaning chemicals as it is…"
1 hour ago
Profile IconDmitri A Martin and Joshua Moore 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…See More
1 hour ago
Joshua Moore replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Great thread - when will you post the solution?"
2 hours ago
scottscontracting replied to scottscontracting's discussion Natural Insulation Poll
"D.Chojnowski, Thanks for the heads up, corrected the links and added that people could comment here…"
2 hours ago
Diane Chojnowski replied to scottscontracting's discussion Natural Insulation Poll
"The link goes to an error message. Would you please repost the correct link? Thanks!"
3 hours ago
Profile IconDavid Lopez, John Doe and Ariston C. Hernandez Jr. joined Home Energy Pros
12 hours ago
David Eggleton commented on David Eggleton's group Considering Permaculture &/or Transition
"Are you on Facebook?  Are we friends there?  If not, please send me a request."
16 hours ago

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