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
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
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
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
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

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

When can an oversized A/C be a good thing?

Started by David Byrnes in General Forum. Last reply by Daniel Baur-McGuire on Saturday. 6 Replies

Surprise loads

Started by Evan Mills in General Forum. Last reply by Daniel Baur-McGuire on Thursday. 4 Replies

Blower door test for small apartment building

Started by Jerry Needham in General Forum. Last reply by Daniel Baur-McGuire on Thursday. 19 Replies

Learning Thermostat

Started by Classic Residential, Inc. in General Forum. Last reply by Franco Oyuela on Wednesday. 34 Replies

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Building Performance Institute posted a status
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Building Performance Institute posted a status
"BPI is pleased to announce the promotion of Nancy Kaplan to Director of Workforce Development. Read more: https://bit.ly/2G7lrxC"
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Daniel Baur-McGuire replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Thanks for the clarification. I was in PHX last week at a Construction Instruction class (those…"
Saturday
Sean Lintow Sr replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"FYI - APS / SRP basically means Phoenix, AZ with no humidity except for after a monsoon blows…"
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Daniel Baur-McGuire replied to Evan Mills's discussion Surprise loads
"Yeah I was just playing around with it. And my jaw dropped when I took a photo of my PS4 I had been…"
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Paul Holder replied to doug Redburn's discussion Infiltec blower door for sale $500 in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"I'm' interested. Can you send me pictures. paulholder@mrchillac.com"
Thursday

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