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...

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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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Latest Activity

Simon joined Diane Chojnowski's group
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Online Training

Online training coursesIf you provide ongoing online training for home performance or…See More
17 hours ago
Simon added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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Wanted - Blower and door frame kit for Minneapolis system

Hi everyone,I'm new to this line of work and have bought some equipment (Minneapolis blower door…See More
yesterday
Simon replied to Steve Mann's discussion TEC Blower Door Frame in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Hi, I'm interested, but could you send to UK?,I'd pay shipping of course. My email is :-…"
yesterday
Simon replied to Jeffrey Anthony's discussion Blower Door Equipment - 9 shrouds, 10 fans, 5 fan controllers in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Hi, if you able to sell sepereately, I'd be interested in a blower and a frame kit. My only…"
yesterday
Simon joined allen p tanner's group
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
yesterday
Simon is now a member of Home Energy Pros
yesterday
Rob Madden, Solar Home Broker joined Leslie McDowell, BPI's group
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Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization…See More
yesterday
Rob Madden, Solar Home Broker posted a discussion

Indoor Air Quality Monitors and Meters

I'm considering purchasing the AirAdvice for Homes indoor air quality monitor but it seems to have…See More
yesterday

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