Brad Cook
  • Warren, VT
  • United States
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Brad Cook's Discussions

When is a fuel history confidential and why?

Started this discussion. Last reply by David Meiland Mar 24, 2018. 5 Replies

I always try to get a 3+ year fuel history from clients prior to starting an energy assessment. If the client recently bought the property, the fuel dealer often cites confidentiality rules as to why…Continue

Too many Heat Pump Water Heaters in a basement?

Started this discussion. Last reply by Crista Oct 19, 2017. 12 Replies

I recently met with the owner of a local rural inn to discuss performing a comprehensive energy assessment for him. He has been looking at replacing his existing propane boiler and three 80 gal.…Continue

BDT with vermiculite in hollow CMU walls?

Started this discussion. Last reply by Jan Green May 11, 2017. 20 Replies

We don't have many brick homes around here in central Vermont. I recently visited a one-story ranch home that was built with exterior walls of hollow core CMUs (concrete masonry units), a brick…Continue

 

Brad Cook's Page

Latest Activity

Brad Cook replied to Robert Logston's discussion Mini-Crawl Spaces between City Row-Home's Conditioned Stories
" Now I am really confused. The 2nd photo shows what appears to be a typical 2x10 or 12" joist bay, with what appears to be sheetrock below and plywood subfloor above, with what appears to be mold on some of the surfaces. This is commonly…"
Apr 15
Brad Cook replied to Robert Logston's discussion Mini-Crawl Spaces between City Row-Home's Conditioned Stories
"Do you mean crawl spaces below the lowest floor level? or do you mean a 2-3 ft. space between floors? What do you mean by "opened to the outdoors" and "bypasses"? If you are talking about crawl spaces, then cellulose is not…"
Apr 11
Brad Cook replied to Daniel Baur-McGuire's discussion Need - Measuring and Tracking system for RH and Temps inside wall of New Home
"The Ultra Aire and Hobo monitors measure RH. It appears that the OP wants to measure Moisture Content (MC) in the middle of an insulated wall, where there is little or no air. That calls for a moisture meter. I have done such testing on exterior…"
Apr 5
Brad Cook replied to Jerry Needham's discussion Cathedral ceiling with tongue and groove ceiling. Looking for solutions.
"Adding rigid on the inside would certainly help and would allow for effectively air sealing all of those joints. The down side is the thermal short-circuits at the beams. We have done several roofs where we strip the existing asphalt shingles and…"
Nov 9, 2018
Brad Cook replied to Mark Furst's discussion Bath fan weirdness
"Maybe it is because at the fan, you are measuring negative pressure and at the soffit it is positive pressure. I am guessing that you are using the Energy Conservatory fan flow hood. Check with TEC about that."
Oct 4, 2018
Brad Cook replied to Howard Katzman's discussion UV lights on filters
"Richard, Heat does NOT rise! For heat transfer by conduction or radiation, heat transfers from hot to cold. For thermal transfer by convection, warm AIR rises because it is less dense than colder air- it is all relative. If you have leaks to the…"
Sep 8, 2018
Brad Cook replied to John Carton's discussion Insulation touches underside of roof in home with no soffit or soffit venting.
"Are you are referring to a situation such as a ranch style, where insulation is touching the roof deck at the eaves, where the insulation may be as much as about 18" deep? If so, I would not be at all concerned, as long as there are gable end…"
Aug 23, 2018
Brad Cook replied to John Carton's discussion Insulation touches underside of roof in home with no soffit or soffit venting.
"Adding a vent chute above fiberglass insulation in a roof slope is NOT creating a "cold" roof. If anything, it can accelerate the escaping of heat. The venting of roof slopes with fiberglass has not changed since the 1930s when fiberglass…"
Aug 23, 2018
Brad Cook replied to John Carton's discussion Insulation touches underside of roof in home with no soffit or soffit venting.
"It would be very helpful if posters thought a bit about what other information might be very useful for replies to their post, keeping in mind that most forums are national and include many different climates. In this case, knowing the approximate…"
Aug 23, 2018
Brad Cook replied to Lucyna de Barbaro's discussion Very old boiler, converted to gas from coal
"If the boiler is not also heating domestic water, then do shut it down. Shut off the gas valve as well. It should also be set for a cold start, only firing up when there is a call for heat."
Aug 2, 2018
Brad Cook replied to Bob Reuther's discussion log home roof insulation
"This is like those BPI "Stump the Chump" problems where there is not enough information to answer the problem, so the person with the best guess wins. It is most helpful if posters noted the pertinent information. In this case, that would…"
Jun 14, 2018
Brad Cook replied to Bob Reuther's discussion log home roof insulation
"This is like those BPI "Stump the Chump" problems where there is not enough information to answer the problem, so the person with the best guess wins. It is most helpful if posters noted the pertinent information. In this case, that would…"
Jun 14, 2018
Brad Cook replied to Cameron Home Insulation's discussion Why is Air Sealing Important?
"To save energy. Air leaks allow your heated air to leak out, requiring energy to heat up the cold outside air replacing the leaked air. Up to about half of your fuel bill is to heat the outside air that is replacing the leaked air. If you don't…"
May 3, 2018
Brad Cook replied to Barry L NewDelman's discussion Electro Magnetic Fields (EMF)
"Whoa! EMFs are everywhere, but they are not all equal. The characteristics of EMFs varies very much by their frequency. Even on the most remote place on earth, there are EMFs. EVERYTHING gives off heat by Infrared radiation, a very narrow band just…"
Apr 25, 2018
Brad Cook replied to Steve Eberly's discussion Humidity control in tight home
"I have been using inexpensive digital temp./RH meters from Acurite for 8-10 years. I give them away when to energy clients and in the past few years I have been using dozens of their remote reading meters. I buy 6-10 at a time, put batteries in them…"
Apr 15, 2018
Brad Cook commented on Jerry Needham's blog post Spray foam on attic deck to stop mold
"molds needs oxygen, moisture, food and heat (above roughly 40 degF). The SPF will essentially remove O2. If the SPF was applied to the interior of the roof deck, the 2" would be a vapor barrier. If it was applied to the exterior, you could have…"
Apr 12, 2018

Profile Information

Company
Building Performance Services LLC
Role in Home Performance Marketplace
Contractor: insulation, Energy auditor / assessor / analyst
Professional Certification
BPI, Home Energy Score Qualified Assessor
Twitter ID
@fixitron
Facebook Page
https://www.facebook.com/Building-Performance-Services-137548512935...
LinkedIn Profile
https://www.linkedin.com/in/brad-cook-66aa0018?trk

Comment Wall (1 comment)

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At 2:59pm on October 12, 2016, Diane Chojnowski said…

Hi Brad,

Welcome to Home Energy Pros. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo.

Thanks!
Diane, HEP Moderator

 
 
 

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