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

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 Jim Conlon's discussion Insulation Blower Recommendations?
"Most rental machines will not put out the minimum required pressure for dense-packing. There are some local lumber yards in our area that do have such machines and they are maintained and seals replaced as needed to provide that minimum pressure."
7 hours ago
Brad Cook replied to Jim Conlon's discussion Insulation Blower Recommendations?
"We have been using the Intec Force II for almost 10 years. It only takes about 1 1/2 bags at a time, but we have a good setup in a 16 ft. cargo trailer. We use the wireless remote, augmented with a CB antenna to give us more distance than the 100…"
7 hours ago
Brad Cook replied to Jignesh's discussion Efficiency of furnace
"NO combustion based heating system can ever be 100% efficient, according to the Second Law of Thermodynamics. Energy can neither be created nor destroyed, but only converted from one form to another, The efficiency of a furnace or boiler is a…"
Feb 15
Brad Cook replied to Diane Chojnowski's discussion ROCIS recommendations for Ducted Range Hoods
"Plusaire is not the solution. It only works with a furnace and only when the furnace is running.  In a reasonably tight house you could have the range hood, clothes dryer and bath fan(s) running and depressurizing the house. A wood stove would…"
Feb 12
Brad Cook replied to Diane Chojnowski's discussion ROCIS recommendations for Ducted Range Hoods
"First, contractors need to be educated on how to properly install ventilation equipment. I have seen too many range hoods installed with 4" ducting. I have encountered OTR microwaves vented up through the cabinet, but the fan was not rotated up…"
Feb 10
Brad Cook replied to Dav Camras's discussion Low Leakage home with cathedral ceiling
"It is all about the dewpoint. Think of the roof system as a big box. Air can circulate in, out and around the inside of that box. If you could possibly air seal the entire inside plane, and install a durable, continuous and effective vapor barrier…"
Dec 15, 2017
Brad Cook replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"I believe that there is a plethora of studies to support the dangers of Radon. I was a radiation specialist in the Nuclear Naval Submarine Service and I have a degree in physics. I understand the source and mechanism of Radon. It is a long term…"
Nov 9, 2017
Brad Cook replied to Meni's discussion How About an Energy Efficient Garage?
"The major problem with trying to use a garage for multiple uses, especially in our northern climates, is controlling that indoor environment. The garage will need heating if used for doing work in there in the colder periods of the year. Heating…"
Nov 9, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I do not see the need to be concerned with trying to fill the spaces between ridges of the corrugated roofing, other than to keep the warm humid outside air from getting between the PIC and the original roofing and condensing when the interior is…"
Oct 24, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"Yes, a piece of blue or black tape would have an emissivity value much closer to the ideal number of 1. Be sure that the area is large enough to read. If I recall, those IR thermometers read an area that gets wider as you move away from a surface,…"
Oct 24, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I believe that it would be difficult to screw a 5-6" screw through those layers into a purlin, and those screws would not only have to be the right length, but would need a washer for every screw to keep the roof watertight. The plywood would…"
Oct 24, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I missed where the suggestion for rails came in. The plywood would not need any rails. 4+ inches is a long way way to go to screw the new roof. The plywood would only need a HeadLOC screw about every 2 ft. to secure it to the purlins. Then the new…"
Oct 22, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"It kind of depends on the PIC. Not all insulation is made the same. Here in VT (and all of New England I hear), Dow no longer distributes their PIC. Lumberyards here have been carrying PIC from R-Max, Atlas, IKO, etc. There is a huge difference…"
Oct 22, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"Bill, you just posted a number of responses in different areas of the thread. I will try to respond to all of them here. Any foam based insulation has a lower ignition point and they all give off dense poisonous smoke. The codes in the US usually…"
Oct 22, 2017
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I agree that it would be difficult to insulate from the exterior. It does look like at least a sheet of Polyiso (PIC) could fit between the purlins and over the beams. Additional layers would likely cover the purlins. I cannot tell from the photo…"
Oct 22, 2017
Crista replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
Oct 19, 2017

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

 
 
 

Forum Discussions

Insulation Blower Recommendations?

Started by Jim Conlon in General Forum. Last reply by Brad Cook 7 hours ago. 5 Replies

Best brands for furnace

Started by Jignesh in General Forum. Last reply by Eric Kjelshus 10 hours ago. 2 Replies

Efficiency of furnace

Started by Jignesh in General Forum. Last reply by Eric Kjelshus 10 hours ago. 10 Replies

2005 EPAct tax credit

Started by Mandy Leazenby in General Forum. Last reply by Sean Lintow Sr Feb 15. 3 Replies

Latest Activity

Brad Cook replied to Jim Conlon's discussion Insulation Blower Recommendations?
"Most rental machines will not put out the minimum required pressure for dense-packing. There are…"
7 hours ago
Brad Cook replied to Jim Conlon's discussion Insulation Blower Recommendations?
"We have been using the Intec Force II for almost 10 years. It only takes about 1 1/2 bags at a…"
7 hours ago
Eric Kjelshus replied to Jim Conlon's discussion Insulation Blower Recommendations?
"Most generator are more efficiency at 240 volt.   Its  about the total watts more…"
9 hours ago
Eric Kjelshus replied to Jignesh's discussion Best brands for furnace
"Its more about the install and air flow than the box brand,  Most brands about the same if you…"
10 hours ago
Eric Kjelshus replied to Jignesh's discussion Efficiency of furnace
"OK lets say you have a gravity air system with a 80% burn on heat exchanger with out the 8"…"
10 hours ago
John Nicholas replied to Jignesh's discussion Efficiency of furnace
"System Efficiency is great.  Not much use, if you don't intend to fix the various…"
19 hours ago
John Nicholas replied to Jignesh's discussion Efficiency of furnace
"Furnaces and all HVAC Equipment is rated by AHRI.  You can get the certification as to the…"
19 hours ago
Jacob Corvidae replied to Diane Chojnowski's discussion Support Mike Rogers in the group News & Announcements
"Hey Mike! We're all routing for you! Don't hesitate to ask for help.  Jacob"
19 hours ago
Jacob Corvidae joined Diane Chojnowski's group
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News & Announcements

Share your news and announcements with the community in this group.To post news or an announcement,…See More
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20 hours ago
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21 hours ago
Home Energy Magazine's blog post was featured

How We Turned Our House into a Giant Foam Box, Part I — Wall Insulation By Wen Lee

Chris Stratton and Wen Lee are a husband-and-wife team living in the Los Angeles area who are DIY…See More
yesterday
Home Energy Magazine posted a blog post

How We Turned Our House into a Giant Foam Box, Part I — Wall Insulation By Wen Lee

Chris Stratton and Wen Lee are a husband-and-wife team living in the Los Angeles area who are DIY…See More
yesterday
Chris Stratton replied to Chris Stratton's discussion Technical question about mini split heat pump line set maximum length
"Hi Chris, Thanks again for your help. Update: the system is now up and running. Chris"
yesterday
Home Performance Coalition's blog post was featured

From Philly to DC: Join Us on Capitol Hill

By now you have probably heard – as part of this year’s …See More
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Nominate a visionary leader for the Linda Wigington Leadership Award

The Linda Wigington Leadership Award celebrates visionary leaders doing extraordinary work to…See More
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Home Performance Coalition liked Chris Morin's blog post HVAC: A Fast Growing Career Opportunity
yesterday
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