Ed Minch
  • Chestertown, MD
  • United States
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Cold climate wall

Started this discussion. Last reply by Don Hynek Jul 11, 2014. 2 Replies

I have heard Joe Lstriburek twice say that a wall in this climate (Albany NY, almost 6,000 DD) should have 1/3 of the R-value on the outside of the structure and 2/3 in the cavities to prevent…Continue

Duct testing in a conditioned crawlspace

Started this discussion. Last reply by Ed Minch Nov 25, 2011. 13 Replies

Concerning duct testing in crawlspaces (this is for new houses for Energy Star, but will be the same for existing houses):I have a house on a conditioned crawl with ducts in that crawl.  There is an…Continue

Tags: testing, duct, crawl, conditioned

 

Ed Minch's Page

Latest Activity

Ed Minch replied to Luis Hernandez's discussion Airsealing an old basement ceiling
"Luis Think of it as a part of the house that is not being used, but part of the house none the less.  With proper wall insulation (R-19 is my recommendation for our WZ4) and air sealing, there will not be much heating load from the basement -…"
May 26, 2016
Ed Minch replied to Luis Hernandez's discussion Airsealing an old basement ceiling
"I agree that conditioning the basement is by far the best option.  If you are going to insulate the ceiling you have to understand that the basement is now outside and you will also have to: 1) air seal the ceiling 2) insulate all walls and…"
May 26, 2016
Ed Minch commented on Tom White's video
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Measured Home Performance: Assessment with a Infrared Camera

"I find it best to scan one time before the Blower Door is used to check for insulation and convection problems, then scan a second time a few minutes after the BD has been turned on to look for differences in the scan that wold indicate air leakage…"
Apr 30, 2016
Ed Minch commented on Tom White's video
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Web Exclusive: How a German Home Maximizes Energy Efficiency

"Too much time and import given to type of heat.  Not enough time given to insulation (5" of foam board!) and airtightness, and also the renewables on the roof.  You can see little specs of light through the exterior shutters - are…"
Dec 7, 2015
Ed Minch replied to Jonathan Ballew's discussion lifespan of air sealing materials
"AS I mentioned earlier, when we moved out of a house 26 years after air sealing, the blower door number had hardly gone up.  What I didn't say was that the foam (Dow, pale blue-green, 1982) was still as spongy as when it was new, still…"
Aug 27, 2015
Ed Minch replied to Jonathan Ballew's discussion lifespan of air sealing materials
"It's only one house, but - - - I moved into a 1950, 2 story, 1350 ft frame house in the Mid-Atlantic in 1981, the year I started my blower door/IR/combustion analyses business under the Princeton Researchers.  Shoemaker's kids and…"
Aug 20, 2015
Ed Minch replied to Larry Schaffert's discussion How to correctly insulate exterior wall in a 1900 house?
"You don't say what climate you are in.  We have done perhaps 10 using Al's system in the mid-Atlantic over the past 30 years and things seem to be holding up well - WZ 4 and extreme southern  5. We use 1-1/2' foam board…"
Apr 16, 2015
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Russell -  "Precision Air Sealing seems hopeless in a previously insulated attic, short of peeling most of it back so you're sure you find all the wall tops, lights, abandoned ceiling light JB's, pipe and wiring…"
Dec 6, 2014
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Pat, we have been paid to remove old insulation in perhaps 4-5 attics out of the 10,000+ retrofits that we have completed,and this was always because we couldn't talk the HO out of it.  We have never had an odor complaint.  I would…"
Dec 6, 2014
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Terry Degree of difficulty makes all the difference, and all of our auditors started out in attics so they understand this stuff to prpperly estimate time. A 1000-1200 ft2 attic with no surprises and a soffit or two, 2 men, 2 hours = 4 man hours and…"
Dec 5, 2014
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Bud Not sure I agree with you on this.  The proper way to do this in my book is to brush aside the old insulation or move batts - regardless of what material it is - in the appropriate locations, seal the cracks, then move the insulation back…"
Dec 5, 2014
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"A long time ago in a galaxy far far away we did a bunch of field tests on this, maybe 1983 or 4.  This is what we did: In perhaps 8-10 houses that had blown fiberglass, we did a blower door test, then brushed aside the insulation and sealed the…"
Dec 4, 2014
Ed Minch replied to Matthew P's discussion Expert Eye Needed in the group INFRARED THERMOGRAPHY USERS
"Chad As I said: "The blower door would have caused the cold air to come down the wall/ceiling joint into the wall - but this is not the case, and thermal bridging would have made all the studs show as much as the top plates." There is no…"
Nov 15, 2014
Ed Minch replied to Richard Beyer's discussion Media Reports Spray Polyurethane Foam Insulation spontaneously combusted a $5M Connecticut Home
"Richard  I have to re-learn how to read - that was in an earlier for in 2011.  Thanks Ed"
Nov 13, 2014
Ed Minch replied to Richard Beyer's discussion Media Reports Spray Polyurethane Foam Insulation spontaneously combusted a $5M Connecticut Home
"Interesting to read that there may never be a cause determined for this blaze.  For those of you that install foam - do you spray into a garbage bag as the equipment is firing up to check your mix?  If so, could it have been the thickness…"
Nov 13, 2014
Ed Minch replied to Kurt Shafer's discussion Where can I find the best radiant barrier to install under my roof?
"The important thing here is the surface temperature of the ceiling against the attic as compared to the interior temperature of the house as this is where the money goes.  The OP does not state what the air temp is when he has a 90° ceiling…"
Oct 30, 2014

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Energy Services group
Professional Certification
RESNET QAD, BPI BA, EP
Website URL
http://energysvc.com

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At 7:12am on December 24, 2010, Diane Chojnowski said…

Hi Ed,

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
!

Thanks!
Diane, HEP Moderator

 
 
 

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