Brennan Less
  • Berkeley, CA
  • United States
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Brennan Less's Discussions

Trends in space conditioning systems in high performance homes, looking for your insight

Started this discussion. Last reply by William H Nickerson Jul 1, 2012. 4 Replies

Can anyone comment on the common types of heating and cooling systems installed in their region in high performance homes?  More and more, I see designers and builders turning away from forced air…Continue

 

Brennan Less's Page

Latest Activity

Brennan Less liked Jim Gunshinan's blog post Our First Year with Solar Panels, by Chris Stratton
Jul 19, 2018
Brennan Less replied to Linda Wigington's discussion Good Eating with Reduced Cooking Emissions in the group Kitchen Ventilation
"Cook outside, as much as you can, and close your doors/windows while you do it ;) "
May 24, 2018
Brennan Less joined Bob Krell's group
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Healthy Indoors (IAQ)

The Healthy Indoors group is focused on indoor air quality (IAQ), mold, moisture control, radon, lead, air duct cleaning & HVAC hygiene, and building performance/ building science-related topics that affect the healthiness of our indoor environments, like air leakage.See More
May 17, 2018
Brennan Less replied to Alan Lehman's discussion Zehnder Comfopipe vs. rigid pipe
"Also, if it's exceptionally cold outside, you could have a supply air temp into the living space that is below the dew point. For example, if it were 70F inside and -30F outside and you have a sensible efficiency of 70% (Zehnder is higher, I…"
Apr 26, 2018
Brennan Less replied to Alan Lehman's discussion Zehnder Comfopipe vs. rigid pipe
"Good questions. I would say that on the "house" side, which is connected to the inlets and outlets in the living space, there should be no need for insulated ducting, if the duct runs are in conditioned space. But the ducts connected to…"
Apr 26, 2018

Profile Information

Company
LBNL
Professional Interests
Building science research. Deep energy savings in existing homes. Performance monitoring. Ventilation and indoor air quality.
Twitter ID
@brennanless

Comment Wall (1 comment)

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At 9:55pm on September 11, 2011, Diane Chojnowski said…

Hi Brennan,

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

high rise humidity

Started by Steve Nations in HVAC 10 hours ago. 0 Replies

Ducted mini split vs ceiling cassettes?

Started by Alan Lehman in General Forum. Last reply by Alan Lehman 12 hours ago. 5 Replies

70 unit building rehab

Started by Jerry Needham in Multifamily. Last reply by Jacob Corvidae 16 hours ago. 3 Replies

Indoor Air Quality Monitors and Meters

Started by Rob Madden in General Forum. Last reply by Al Tibbs on Tuesday. 13 Replies

Latest Activity

Steve Nations posted a discussion

high rise humidity

I have a friend/client with dry conditions in his condo. He's on the top floor of a 17-story…See More
10 hours ago
Profile IconAidan Conway and Todd Kistler joined Home Energy Pros Forum
11 hours ago
Alan Lehman replied to Alan Lehman's discussion Ducted mini split vs ceiling cassettes?
"Thanks for that info. I am a novice with Mini Splits so this is great info. I will shop that unit…"
12 hours ago
David R Koons replied to RANDY's discussion starting up audit company in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Shared with you within this forum"
12 hours ago
Michael Dunseith posted photos
13 hours ago
David Butler replied to Alan Lehman's discussion Ducted mini split vs ceiling cassettes?
"@Alan, I'm confused... three comments: a) Why would sound transmission be an issue for the air…"
14 hours ago
Todd Kistler added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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Energy Auditor Equipment For Sale

***Complete Energy Auditor Set Up***Excellent Condition***Minneapolis Blower Door (Complete with…See More
16 hours ago
Jacob Corvidae replied to Jerry Needham's discussion 70 unit building rehab
"With less than $1,000 / unit and comfort as the primary driver, air-sealing and select insulation…"
16 hours ago

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