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

Venting a clothes dryer through an unheated garage
10 Replies

We recently vented a gas clothes dryer through an attached and unheated garage, to an outside wall of the garage. We are located in Central Vermont. We used 30 ga. 4" galvanized duct and taped all…Continue

Started this discussion. Last reply by Eric Kjelshus Jan 25, 2013.

Slow cure foam injected behind fiberglass in walls?
23 Replies

Has anyone heard of injecting slow rise closed-cell polyurethane foam (such as Foamo's HandiFLOW) into wall cavities behind existing fiberglass batts?  or injecting it into empty rafter bays? I have…Continue

Started this discussion. Last reply by Bob Sullivan Sep 2, 2011.


Brad Cook's Page

Latest Activity

Brad Cook replied to John Shillito's discussion Fixing a water heater?
"A common cause that I have seen is undersized gas supply piping, especially when a combustion appliance is added to the line. Undersized gas supply pipe = lower gas pressure => high CO"
Jun 12
Brad Cook replied to Patrick Michaelyan's discussion Closed-Cell Foam & Brick Walls
"Here in central Vermont, we see houses from the 1800s with brick walls as part of the foundation, but the brick is not structural. Large slabs of granite are holding up the typical 8x8 sill beam. If we were to spray SPF (Spray Polyurethane Foam) on…"
Mar 14
Brad Cook replied to Mike Rogers's discussion Where do you fall in the "staged" versus "gotta be all at once" discussion?
"I would argue that ALL projects are "staged", unless it is a NetZero project. There will always be room for improvement. Let's look at projects as degrees of comprehensiveness. On a scale of 1-10, with 1 representing a little air…"
Mar 8
Brad Cook commented on Phil Luther's blog post The Great Water Heater Temperature Setting Debate
"And what, exactly, is the risk of Legionella in your water supply?  How does the Legionella get into your water heater (water supply)? If 140 deg. is a burn hazard and a mixing valve is required (which often fail in HOT position), aren't…"
Feb 28
Brad Cook replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Dennis, you make some very good suggestions. My philosophy is that we should be looking at everything related to energy when we do an audit and that includes lighting. Getting training followed by certification may be daunting, but auditors should…"
Feb 7
Brad Cook replied to Kim Tanner's discussion Long term average
"When the wind is breezy, I use long term averaging. The more the pressure jumps around due to breezes, the longer the term that I use. Even then, I mentally average the readings. This is after I have taken steps to shield the end of the outside hose…"
Jan 13
Brad Cook replied to James Murray's discussion Water Water Everywhere
"Walk away. To be blunt, in my opinion, if you are asking these questions on this project, you should be starting with less complicated jobs. Manufactured homes are not the same as stick built, although there are similarities. The bathroom vent fans…"
Dec 13, 2013
Brad Cook replied to Green Iowa AmeriCorps's discussion French door air sealing
"Learn to take better pictures. Use the flash more often and focus! Without being there and with a couple of out of focus and poorly lit photos, everyone would be taking a guess at a solution. I need to "read" the entire door before making…"
Nov 16, 2013
Brad Cook replied to Bud Poll's discussion Calculating attic ventilation
"Everything that I have read on the subject agrees with what John Nicholas presented. What appears to be a big misconception by many people is that we ventilate a roof to make it "cold" to minimize ice dams. The real reason is that the…"
Oct 25, 2013
Brad Cook replied to Jack Baikoff's discussion Just how much does adding air barrier to a knee wall insulation increase it's performance?
""When we add Vapor-permeable Air Barrier to those knee walls just how much exactly that increases the performance of that insulation?" The original post by Jack is an excellent question, asking if anyone knows of actual testing…"
Oct 19, 2013
Brad Cook replied to Jack Baikoff's discussion Vermiculite in the fireplace
"It wasn't until about 1994 that it was discovered that there asbestos was found in the vermiculite in the Libby-Owen Mine in Montana, which was the source for 70% of the vermiculite sold in the US. Vermiculite is now considered a hazardous…"
Sep 22, 2013
Brad Cook replied to Bachi Brunato's discussion Extraordinarily High CO Reading on a Furnace Vent: 3950 PPM
"You really need a gas certified technician who really knows what they are doing, There are many possible causes of high CO in the flue:  low gas pressure (failed pressure regulator; sticking gas valve not opening all the way; kinked soft copper…"
Aug 22, 2013
Brad Cook replied to Ryan Moore's discussion Instant read thermometers in the group Tools of the Trade
"That depends on what you are measuring. When I am measuring the temperature of the air in a house or outside, I also measure the relative humidity (RH), which will take several minutes to stabilize with a digital Temp/RH meter. If I am measuring the…"
Apr 27, 2013
Brad Cook joined Diane Chojnowski's group

Tools of the Trade

A hammer and a saw used to be the key tools for home contractors. Today, the best-in-breed also use high-tech equipment while performing a professional energy audit or verifying that construction has been done correctly.
Apr 27, 2013
Brad Cook replied to Pat Dundon's discussion Q: Hey Boss, we got 2 waterheaters and one chimney what do we do? A; Vent them together. in the group Hall of Shame
"No drip leg on the gas line, which could impede (stick open) the gas valve"
Mar 21, 2013
Brad Cook joined Diane Chojnowski's group

Hall of Shame

In this group, members share an array of images from the field, showing the kinds of issues encountered by home performance professionals in real homes. Each tells a story of how hidden (but fixable) problems in homes can cause high energy bills.
Mar 21, 2013

Profile Information

Building Performance Services LLC
Professional Certification
BPI Basic, Shell, Heating; Level I IR (Snell)
Professional Interests
Home Performance contracting
LinkedIn Profile

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Comment Wall (1 comment)

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At 6:09am on June 10, 2011, 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. And add your location on our Member Map!

Diane, HEP Moderator


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Latest Activity

Tom Conlon commented on Kurt Shafer's blog post What is your opinion about members promoting products here?
"I just checked the site Guidelines Kurt, and any true "promotions" should be posted in…"
7 hours ago
Tom Conlon posted a discussion

Whole House Fans - Love 'Em or Not?

I just searched this forum for "Whole House Fan", but I didn't find much about them (except …See More
8 hours ago
Richard Beyer replied to Mike Kandel's discussion Our Homes Suck – And That's Why Our Kids Have Sinus Problems
"Don, Thank you for the praise! I only wish that some of these profiteers could answer my questions…"
10 hours ago
Richard Beyer replied to Mike Kandel's discussion Our Homes Suck – And That's Why Our Kids Have Sinus Problems
"Todd, This report (attached link) below on poor people living in subsidized housing show's…"
10 hours ago
Mike Kandel added 4 discussions to the group Building Performance Institute (BPI)
12 hours ago
Mike Kandel posted discussions
12 hours ago
Nate Adams commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, Glad to help! OK, a touch of soap box. So long as we don't tell people EE is free and…"
13 hours ago
Kurt Shafer commented on Kurt Shafer's blog post What is your opinion about members promoting products here?
"Bob, Good idea. I see that you are a window energy reduction expert. You might consider adding…"
13 hours ago
Robert (Bob) Bacon commented on Kurt Shafer's blog post What is your opinion about members promoting products here?
"Kurt, I would explain what energy/efficiency problem this device solves and explain the science the…"
14 hours ago
Ben Jacobs replied to Mike Kandel's discussion Our Homes Suck – And That's Why Our Kids Have Sinus Problems
"I agree that in many homes the indoor air sucks.  However, a lot of this problem is caused…"
16 hours ago
Kurt Shafer commented on Kurt Shafer's blog post What is your opinion about members promoting products here?
"Tom, thank you for your odd reference to a leaky duck. It is a bit off topic since I was not asking…"
16 hours ago
Tom Delconte commented on Kurt Shafer's blog post What is your opinion about members promoting products here?
"Shameless self promotion here sucks like a leaky duck!"
18 hours ago

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