Bruce Dichter
  • Santa Rosa, CA
  • United States
Share on Facebook Share on Facebook Share
  • Featured Blogs
  • Discussions (4)
  • Events
  • Groups
  • Photos
  • Photo Albums
  • Videos

Bruce Dichter's Discussions

Measuring moisture intrusion

Started this discussion. Last reply by William H Nickerson Jul 28, 2013. 6 Replies

Hi, All,My normal territory is in Northern California, where it's hot and dry.  Recently, however, I helped with an evaluation in the tropics, where the temperature was regularly in the mid-80s, as…Continue

 

Bruce Dichter's Page

Latest Activity

Bruce Dichter replied to Green Iowa AmeriCorps's discussion French door air sealing
"Another option to consider is adding an astragal.  This is a molding fastened to the outside edge of the passive door, lapping over the active door.  Run weather stripping on the inside face that contacts the active door.  This will…"
Nov 15, 2013
Bruce Dichter replied to Jack Baikoff's discussion Just how much does adding air barrier to a knee wall insulation increase it's performance?
"Is it possible that the perforations in the backing of the batt insulation are intended to allow for water vapor diffusion and not serve as an air barrier?  Generally moisture will move from hot to cool, and if it gets trapped in an assembly…"
Oct 18, 2013
William H Nickerson replied to Bruce Dichter's discussion Measuring moisture intrusion
"From his one email notice I just have spent the last 6 hrs. reading and downloading and printing out all that I can about moister removal. I live in central Virginia and the last 2 two weeks seen more condensation on exposed fiberglass bats than I…"
Jul 28, 2013
Bruce Dichter's discussion was featured

Measuring moisture intrusion

Hi, All,My normal territory is in Northern California, where it's hot and dry.  Recently, however, I helped with an evaluation in the tropics, where the temperature was regularly in the mid-80s, as was the relative humidity.  It was their winter.  One of the chief goals is to reduce electrical usage, which in turn means reducing the use of air conditioning.  Much of the load on the AC is to remove moisture, so it strikes me that one strategy is to limit moisture intrusion.  But how do you…See More
Jul 25, 2013
David Meiland replied to Bruce Dichter's discussion Measuring moisture intrusion
"I think you could do a passable job with a box fan, an anemometer, and a manometer."
Jul 20, 2013
Bud Poll replied to Bruce Dichter's discussion Measuring moisture intrusion
"I have an approach for estimating air leakage using just a manometer.  Only slightly better than a wild guess, but so much of what we do is based upon guessing, a little more can only help.  An option for a blower door might be Australia,…"
Jul 20, 2013
Bruce Dichter replied to Bruce Dichter's discussion Measuring moisture intrusion
"Hi, David and Bud, Thanks for your replies.  Full disclosure: I never performed a blower door test.  The island is in Fiji, and remote even by Fijian standards.  Also, the current is 220V.  So I wasn't able to arrange the…"
Jul 20, 2013
Bud Poll replied to Bruce Dichter's discussion Measuring moisture intrusion
"Hi Bruce ad David, The outside air, temp and humidity, sets a baseline for how low you can go without some form of powered mechanicals to remove moisture and or cool the space.  Even a tight house will need to exchange a lot of air to reduce…"
Jul 20, 2013
David Meiland replied to Bruce Dichter's discussion Measuring moisture intrusion
"Someone smarter than me could calculate the rate of vapor diffusion through the various materials you mention (such as the slab floor), given a few facts. I do think it would be worth exploring how much the slab might be contributing to interior…"
Jul 20, 2013
Bruce Dichter posted a discussion

Measuring moisture intrusion

Hi, All,My normal territory is in Northern California, where it's hot and dry.  Recently, however, I helped with an evaluation in the tropics, where the temperature was regularly in the mid-80s, as was the relative humidity.  It was their winter.  One of the chief goals is to reduce electrical usage, which in turn means reducing the use of air conditioning.  Much of the load on the AC is to remove moisture, so it strikes me that one strategy is to limit moisture intrusion.  But how do you…See More
Jul 19, 2013
Bruce Dichter is now a member of Home Energy Pros
Mar 18, 2011

Profile Information

Company
Living Homes Construction
Professional Certification
licensed general contractor; BPI Building Analyst

Comment Wall (1 comment)

You need to be a member of Home Energy Pros to add comments!

Join Home Energy Pros

At 6:27pm on March 19, 2011, Diane Chojnowski said…

Hi Bruce,

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

 
 
 

Featured Forum Discussions

What's the Most Profitable HVAC Job for Your Company?

Started by Wayne Melancon in HVAC. Last reply by Eric Kjelshus 7 hours ago. 2 Replies

Lighting replacement - 300 watt LED flood light

Started by Mary Sinkler in General Forum. Last reply by Jan E. Graveamker 12 hours ago. 4 Replies

Glass Block Windows

Started by Ken Kalke in Best Practices. Last reply by Sean Lintow Sr on Saturday. 1 Reply

EZ Green Home is Hiring!

Started by Chloe Chapman in General Forum Jan 5. 0 Replies

Videos

  • Add Videos
  • View All

Latest Activity

Eric Kjelshus replied to Wayne Melancon's discussion What's the Most Profitable HVAC Job for Your Company?
"What is your "Key Performance Indicator" dollar per hour? gross dollar per man day? % of…"
7 hours ago
Jan E. Graveamker replied to Mary Sinkler's discussion Lighting replacement - 300 watt LED flood light
"Hi Mary, What is the purpose of lighting the backyard ?  Sense of safety, night time…"
12 hours ago
Chris Laumer-Giddens liked Chris Laumer-Giddens's blog post Rock Wool Insulation for Floor of High Performance Tiny House
13 hours ago
Joe Davis liked Wayne Melancon's discussion What's the Most Profitable HVAC Job for Your Company?
16 hours ago
Joe Davis replied to Mary Sinkler's discussion Lighting replacement - 300 watt LED flood light
"Well said Dennis, try a lighting calculation for the space you need."
16 hours ago
Chris Laumer-Giddens's blog post was featured

Rock Wool Insulation for Floor of High Performance Tiny House

ROCK WOOL INSULATION FOR FLOOR OF HIGH PERFORMANCE TINY HOUSEIn August of 2016, we posted a video…See More
19 hours ago
Horace Douglas Hunt, Jr. joined Tom White's group
Thumbnail

Weatherization

Share your concerns and successes as a weatherization professional, or information for this…See More
21 hours ago
Horace Douglas Hunt, Jr. joined Sean Lintow Sr's group
Thumbnail

Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what…See More
21 hours ago

Home Energy Pros

Welcome to Home Energy Pros – the unique digital community by and for those who work in the home energy performance arena.

Home Energy Pros was founded by the developers of Home Energy Saver Pro (supported by the U.S. Department of Energy) and brought to you in partnership with Home Energy magazine.  Home Energy Pros is sponsored by the Better Buildings Residential Network. Please honor our Guidelines

© 2017   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service