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, 2016
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

 
 
 

Forum Discussions

Origin of guarded blower door testing

Started by Kim Tanner in General Forum. Last reply by Eric Kjelshus 21 hours ago. 9 Replies

Electro Magnetic Fields (EMF)

Started by Barry L NewDelman in General Forum. Last reply by Daniel Cullen Aug 10. 5 Replies

When is it too windy to use blower door?

Started by Brandon Walton in General Forum. Last reply by Iain Walker Aug 10. 17 Replies

Latest Activity

Profile IconArmstrong SMith, Eric Buchalter, Liza Gonzalez and 3 more joined Home Energy Pros
8 minutes ago
Eric Kjelshus replied to Kim Tanner's discussion Origin of guarded blower door testing
"That same house that meet highest sealing rate in early 1980 we went back and super sealed it and…"
21 hours ago
Jill Cliburn posted an event
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National Solar Conference and NZE Decathlon at University of Colorado

October 9, 2017 at 6pm to October 12, 2017 at 7pm
22 hours ago
tedkidd replied to Kim Tanner's discussion Origin of guarded blower door testing
"Brendan, Eric, great stuff!"
23 hours ago

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