John C. Semmelhack's Discussions (18)

Discussions Replied To (16) Replies Latest Activity

"Yes...this test should be done at the highest fan speed (without messing with the in…"

John C. Semmelhack replied Oct 1, 2018 to How to measure room pressures

20 Oct 5, 2018
Reply by John Proctor

"Mitsubishi has a refrigerant-to-water heat exchanger in their City-multi VRF lineup,…"

John C. Semmelhack replied Jun 13, 2018 to GSHP for domestic hot water

4 Jun 28, 2018
Reply by Eric Kjelshus

"I agree with David Butler...it really depends on the inputs into the model as well a…"

John C. Semmelhack replied May 19, 2018 to HERS score with HRV

9 Jun 7, 2018
Reply by Nicholas Burger

"From the article: "Lynae Forbes, president and principal broker at Hasson Company Re…"

John C. Semmelhack replied May 10, 2018 to Portland home energy scores not so hot

4 May 10, 2018
Reply by tedkidd

"I agree with David. All of the tightest houses I've tested have used Therma-tru door…"

John C. Semmelhack replied May 2, 2018 to Fire Rated High Performance Doors

3 May 2, 2018
Reply by John C. Semmelhack

"I've tried out most of the available residential energy monitors over the years and…"

John C. Semmelhack replied Jan 9, 2018 to Experience with new energy monitoring tools such as Curb, Sense, Nerio and Smapee

25 Oct 8, 2018
Reply by Dav Camras

"https://retrotec.com/products/flow-finder-mk-2-best-powered-flow-hood "

John C. Semmelhack replied Oct 24, 2017 to Replacement for Energy Conservatory Flow-blaster

1 Oct 24, 2017
Reply by John C. Semmelhack

"For multi-split systems from the quality manufacturers, plan on roughly $2,500-3,000…"

John C. Semmelhack replied Feb 12, 2015 to Whole-house Ductless Mini-split install costs

6 Jun 29, 2015
Reply by Robert Bass

"Graham, The U.S. is catching up to Germany very quickly on solar installs. As of the…"

John C. Semmelhack replied Oct 23, 2014 to How does efficiency factor into a grid parity world?

5 Oct 26, 2014
Reply by Bob Blanchette

"HVAC contractor (ideally) drills the 1" hole, then tapes over afterward.  I investe…"

John C. Semmelhack replied Jan 24, 2013 to Measuring fresh air intake ducted to a return and no way of measuring from outside.

22 Feb 7, 2013
Reply by Dale Sherman

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Forum Discussions

Check out the new Home Diagnosis TV Series on Public TV

Started by Diane Chojnowski in General Forum. Last reply by Daniel Baur-McGuire 8 hours ago. 1 Reply

Energy OutWest 2020

Started by Diane Deyerler in General Forum. Last reply by Diane Chojnowski 10 hours ago. 1 Reply

New(ish) ZNE publications available

Started by Ann Edminster in General Forum. Last reply by Jacob Corvidae yesterday. 1 Reply

ACEEE State Energy Efficiency Score Card

Started by Diane Chojnowski in General Forum on Wednesday. 0 Replies

Latest Activity

Daniel Baur-McGuire replied to Diane Chojnowski's discussion Check out the new Home Diagnosis TV Series on Public TV
"I've been waiting for this show to release! Corbett always is worth a watch. Check out his…"
8 hours ago
Profile IconMaria M Hernandez and Robert Corbyn joined Home Energy Pros Forum
10 hours ago
Diane Chojnowski posted a discussion

Home Diagnosis Episode 2: Environmental Sensitivity and Healthy Homes

Check this out! You can watch Episode 2 of Home Diagnosis on PBS or on YouTube.Episode 2 visits a…See More
10 hours ago
Diane Chojnowski replied to Diane Deyerler's discussion Energy OutWest 2020
"Hi Diane, This looks like a great event! Please post it on our event calendar and we'll share…"
10 hours ago
Robert Corbyn posted photos
11 hours ago
Milli Cater commented on Crosbey Archery's blog post Setting up Your HVAC for Fall Maintenance
"Life means many things, but besides taking care of your family, home and working, you should take…"
14 hours ago
Coby Rudolph commented on Jim Gunshinan's blog post What Are the Nation's Best Utility Energy Efficiency Programs?
"Interesting. Something needs to change when 30% of the exemplary programs (16 out of 53) saw…"
yesterday
Dimitri Mal 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,…See More
yesterday

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