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Mechanical Ventilation per ASHRAE 62.2
5 Replies

Tags: ERV, 62.2, ashrae, ventilation

Started this discussion. Last reply by George W. Reynolds Mar 6, 2012.

Vent Cap Systems for Duct Testing
13 Replies

Has anyone had any experience using the Vent Cap Systems product for duct pressure testing vs. conventional perforated register tape? Thanks for any insight on this product,Stefan Peter-ContesseHERS…Continue

Started this discussion. Last reply by Corey Breed Feb 23, 2012.

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Stefan Peter-Contesse added a discussion to the group Hall of Shame

Return Possum

Performing a visual inspection of a house in Nashville TN and came across this gem.Homeowner complains of inability to regulate house temperature, odors, discomfort, and some sinus / health issues.See photo below - the standard non existent vapor barrier, completely disconnected return plenum...within 8" of end of return plenum is a dead, decaying possum.…See More

Apr 25

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Stefan Peter-Contesse joined Diane Chojnowski's group

Hall of Shame

In this group, members share an array of images from the field, showing the kinds of issues encountered by home performance professionals in real homes. Each tells a story of how hidden (but fixable) problems in homes can cause high energy bills.

Apr 25

27 Comments

George W. Reynolds replied to Stefan Peter-Contesse's discussion Mechanical Ventilation per ASHRAE 62.2

"I also work with Habitat and like yours, our houses have oversized units because of the extreme tightness, high UA numbers and limitations on ASHP systems. We use a cycle timer and motorized damper for supply air ventilation. We…"

Mar 6, 2012

Paul Raymer replied to Stefan Peter-Contesse's discussion Mechanical Ventilation per ASHRAE 62.2

"There are a couple of pretty nifty choices from Venmar. The Kubix unit comes in either an HRV or ERV version. It uses 60 watts, 77% Apparent Sensible Effectiveness (ASE). It's like a 16" cube using 4" ducting. …"

Mar 1, 2012

Sean Lintow Sr replied to Stefan Peter-Contesse's discussion Mechanical Ventilation per ASHRAE 62.2

"The humidity inside rises to much & in small houses where the AC unit is oversized because we cant buy a small enough unit..."

Feb 29, 2012

David Meiland replied to Stefan Peter-Contesse's discussion Mechanical Ventilation per ASHRAE 62.2

"Sean, help a cold-climate guy out here... what's the issue with humidity and 24/7 run-time?"

Feb 29, 2012

Sean Lintow Sr replied to Stefan Peter-Contesse's discussion Mechanical Ventilation per ASHRAE 62.2

"Buy a larger one & use a timer - trust me when I say you do not want them running 24x7, especially in a humid enviroment"

Feb 29, 2012

Stefan Peter-Contesse posted a discussion

Mechanical Ventilation per ASHRAE 62.2

Hello All,We are working on a project with Habitat and our trying to provide recommendations for ventilation. We would like to see them install a Spot ERV like Panasonic's Whisper Comfort, but the small (<1,500sf) home (4 bdr) requires just over 50cfm fresh air. The Panasonic can only provide 40cfm continuous and installing two brings the incremental cost over an air cycler strategy or supply ventilation strategy too far off budget.Does anyone have any experience / recommendations for how to…See More

Feb 29, 2012

5 Comments

Corey Breed replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"Did your sample have a black button or a silver button? As you can see from the video above the strength of the "friction hold" is now in excess of what's necessary."

Feb 23, 2012

Glen Gallo replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"Got the upgrade works much better"

Feb 20, 2012

Paul D McGovern replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"hey ed ... the diy was directed toward making your own boot/vent stops ... easy enough to do ... for rough in, ventless and with vent ... I only had one but experienced leakage from that ... the pole mounted had no leakage as you are able to snug…"

Feb 17, 2012

Stefan Peter-Contesse replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"Thanks for the info everyone. I appreciate it."

Feb 16, 2012

Corey Breed replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"For the record, it's a white shirt with a burnt orange polo. Hook 'Em!! CB"

Feb 16, 2012

Ed Minch replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"Paul What do you mean by DIY? Can you put a flow hood over the vent cap during a test to put a number to the leakage? Is it the type of wx strip used? Was it at the corners? All around? Something like this sounds like…"

Feb 16, 2012

Paul D McGovern replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"ordered one freebie to try - used only under negative pressure - smoke stick showed enough leakage to cause concern (couldn't snug tight enough due to friction hold ... believe the best are pole mounted devices .. DIY "

Feb 16, 2012

William H Nickerson replied to Stefan Peter-Contesse's discussion Vent Cap Systems for Duct Testing

"I,m not gonna buy nothing from a guy who wears a pink polo shirt."

Feb 16, 2012

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Company: E3 Innovate, LLC

Professional Certification: BPI Building Analyst

Professional Interests: Residential Energy, Building Science,

Website URL: http://www.e3innovate.com

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At 7:38am on September 16, 2011, Diane Chojnowski said…: Hi Stefan,

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!

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Diane, HEP Moderator

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