Luke Langhals's Discussions (11)

Discussions Replied To (11) Replies Latest Activity

"David, I'm not sure I can agree with the idea that an ERV operating continuously wil…"

Luke Langhals replied Sep 6 to Fresh air vent

14 Oct 29
Reply by Franco Oyuela

"David is absolutely correct that ERV systems independent of the furnace fan will alw…"

Luke Langhals replied Aug 31 to Fresh air vent

14 Oct 29
Reply by Franco Oyuela

"The amount of CFM pulled through that fresh air duct will be completely unconditione…"

Luke Langhals replied Aug 30 to Fresh air vent

14 Oct 29
Reply by Franco Oyuela

"If an E/HRV system is installed in unison with the furnace ducting -- you might cons…"

Luke Langhals replied Aug 20 to HVAC Question about running fan continuously VS setting on Auto so it runs when AC or furnace runs

24 Sep 7
Reply by John White

"Where would the construction be? Are you considering a high performance construction…"

Luke Langhals replied Jul 13, 2017 to Affordable Housing Funding

5 Jul 27, 2017
Reply by John Nicholas

"Very true Brett. Quality 3rd party verification/certification. Paired with homeowner…"

Luke Langhals replied Dec 29, 2016 to How do you define and guarantee quality?

9 Feb 28, 2017
Reply by Joseph Bailey

"Very good reading. Thank you for posting this."

Luke Langhals replied Aug 25, 2016 to ERV Configuration

21 Sep 19, 2016
Reply by Rich Manning

"This poll would change on a day to day basis :) I'm cynical one day and extremely op…"

Luke Langhals replied Aug 25, 2016 to Poll: How confident do you feel about the future of home performance?

8 Aug 25, 2016
Reply by Luke Langhals

"To give my argument for Exhaust Only vs ERV: The exhaust only fans generally install…"

Luke Langhals replied Aug 11, 2016 to ERV Configuration

21 Sep 19, 2016
Reply by Rich Manning

""they are exempt from the efficacy requirement as long as they are equipped with an…"

Luke Langhals replied Aug 9, 2016 to IECC 2012 & 2015 Compliance & HRVs

4 Aug 11, 2016
Reply by Melissa Baldridge

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Forum Discussions

Latest Activity

David Byrnes replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Thanks for the feedback David"
1 hour ago
Claude Waudoit posted a discussion

Ecological faucets: Hot water is available as quickly as using a DHW loop, but without wasting water or energy.

I am looking for partners, supports and funding.I am also looking for reliable information…See More
13 hours ago
Charles Buell replied to David Meiland's discussion Air gap above floor insulation--how big is the impact?
"Exactly  David.  And then there is the fact the energy codes require the insulation be…"
14 hours ago
David Butler replied to David Meiland's discussion Air gap above floor insulation--how big is the impact?
"Adding an airspace changes the temperature gradient, as noted in Joe's doc, thus making the…"
16 hours ago
Ethan Foley replied to David Meiland's discussion Air gap above floor insulation--how big is the impact?
"You want an airspace between the subfloor and the insulation.  It keeps the floor…"
17 hours ago
David Butler replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Keep in mind that for all but the hottest hours, a tightly sized system already has excess…"
17 hours ago
Sean Wiens liked David Meiland's discussion Air gap above floor insulation--how big is the impact?
18 hours ago
Jim Gunshinan posted a blog post

Vermont is Helping its Homeowners Reduce Energy Waste and Save on Energy Bills

(This "EERE Success Story" is one of a series of posts from DOE's Energy Efficiency and Renewable…See More
18 hours ago

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