Barry Stephens
  • Male
  • Scarborough, ME
  • United States
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Barry Stephens's Page

Latest Activity

Barry Stephens replied to Bruce Ackerman's discussion Countercurrent heat exchangers
"The counter-flow heat exchanger is part of what sets the Zehnder HRVs and ERVs apart. This is why they achieve up to 90+ percent recovery efficiency, which is much higher than units using cross-flow exchangers."
Jan 14
Barry Stephens replied to Evan Mills's discussion New LBNL Resource: Steps to Improving Ventilation in Existing Homes
"New technology will continue to bend the curve on these models. Vermont Energy Investment Corp (VEIC), Northwest Energy Efficiency Alliance (NEEA)  and others are developing these models, with HRVs/ERVs operating at .3 watts/cfm and with 90%…"
Oct 4, 2012
Barry Stephens replied to Sue Davis's discussion Heat Recovery Ventilator - Iced Up
"I am surprised that you are having this issue in Germany. They are well ahead of North America in both efficiency of units, and proper installation. The HRV should have a defrost mode, either with unbalancing motors to provide more exhaust than…"
Feb 16, 2012
Barry Stephens is now a member of Home Energy Pros
Nov 23, 2011

Profile Information

Company
Ventacity Systems, Inc
Role in Home Performance Marketplace
Manufacturer
Website URL
http://www.ventacity.com
LinkedIn Profile
https://www.linkedin.com/in/barry-stephens-a67701b?trk=nav_responsi...

Comment Wall (1 comment)

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At 8:38am on November 26, 2011, Diane Chojnowski said…

Hi Barry,

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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Judy Rachel replied to Dean Kirkland 's discussion Im looking for a blower door / duct blaster / manometer rental in So Cal
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angela stanzione replied to angela stanzione's discussion Used Weatherization and auditing equipment for sale in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Yes, I do. Pictures are above. I have a newer fan, I have a frame in a case and I have panels."
yesterday
Tom Phillips replied to Bruce Ceniceros's discussion How effective are whole house air cleaners?
"re: costs:  I suspect the added UV & PCO & ESP has a big price tag but no clear…"
Thursday
David Baerg replied to angela stanzione's discussion Used Weatherization and auditing equipment for sale in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Hi Angela, Do you have any fans left?  Frames?  Panels? Thanks, Dave"
Thursday

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