Bob Blanchette's Discussions (518)

Discussions Replied To (26) Replies Latest Activity

"Why use insulated flex if the return duct is in conditioned space? You could have us…"

Bob Blanchette replied Dec 14, 2014 to Floor level return added to attic ductwork.

1 Dec 14, 2014
Reply by Bob Blanchette

"+1 on the typical GROSS oversizing of furnaces. A "2 burner" (typically 50k or small…"

Bob Blanchette replied Nov 6, 2014 to Furnace with ECM: How to Model

5 Nov 13, 2014
Reply by Ryan Schmidt

"There's more to it than that. The blower efficiency gain comes using an ECM for low…"

Bob Blanchette replied Nov 4, 2014 to Furnace with ECM: How to Model

5 Nov 13, 2014
Reply by Ryan Schmidt

"Amen. Limiting size per sqft would be more effective IMHO. It would have to be insta…"

Bob Blanchette replied Aug 15, 2014 to ENERGY STAR Furnaces & Failure of DOE Standard

7 Aug 15, 2014
Reply by Bob Blanchette

"Motor efficiency could be improved 25% by using a single speed PSC motor instead of…"

Bob Blanchette replied Aug 12, 2014 to ENERGY STAR Furnaces & Failure of DOE Standard

7 Aug 15, 2014
Reply by Bob Blanchette

"But it's so much easier to size by the 500sqft per ton rule that's been used for dec…"

Bob Blanchette replied Jul 4, 2014 to Are Zoned Heating/Cooling Systems a Good or Bad Idea?

24 Jul 5, 2014
Reply by John Proctor

"This is exactly why oversizing continues, nobody is willing to stick their neck out.…"

Bob Blanchette replied May 5, 2014 to How to Read Load Calculation Reports

37 May 5, 2014
Reply by Bob Blanchette

"90% of residential installs are done by the WAG or rule of thumb methods. 500sqft pe…"

Bob Blanchette replied May 3, 2014 to How to Read Load Calculation Reports

37 May 5, 2014
Reply by Bob Blanchette

"60k is INPUT of your furnace right? If it's a typical 80% that would give you a 48k…"

Bob Blanchette replied May 3, 2014 to How to Read Load Calculation Reports

37 May 5, 2014
Reply by Bob Blanchette

"He's not going to want to "break the norm" of the 50btu per sqft he's been installin…"

Bob Blanchette replied Apr 27, 2014 to How to Read Load Calculation Reports

37 May 5, 2014
Reply by Bob Blanchette

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George Matthews replied to George Matthews's discussion Shortridge 8400 Flowhood for A/C airflow testing in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Here are the pics of the flowhood and airdata manometer"
yesterday
Sarah Holloway posted a photo
yesterday
Joe Urycki added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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TEC blower door and UEI combustion analyzer for sale

For sale is one used TEC Minneapolis blower door system: Includes model 3 fan with rings A and B,…See More
yesterday
John Nicholas replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"The Nay side is well represented with the links already posted. I presented a neutral side, with…"
yesterday
Ray Lehman replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"Hey John, Thanks for the information.  Very good empirical data. While I agree that running…"
Friday
John Nicholas replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"I have no links, just some anecdotal evidence. I had several Blower Door Tests done on my own home.…"
Friday
Chris Laumer-Giddens commented on Chris Laumer-Giddens's blog post Raising the BARrier in North Carolina Mountain Home, Air Tight Ceiling
"@Joe Nagan, We have found this technique to be WAY simpler and A LOT less labor than making a…"
Thursday
Judy Rachel replied to Blake Shurtz's discussion Testing spillage on induced draft furnace?
"I hope the attached picture is clear enough for you to see.  As the caption on the picture…"
Thursday

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