Michael J. Mayhew
  • Boothbay Harbor, ME
  • United States
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Michael J. Mayhew's Page

Latest Activity

Michael J. Mayhew replied to Gary Baggett's discussion Efficiency Maine
"And having worked quite a bit with Evergreen, I must say, They are great!"
Nov 21, 2012
Michael J. Mayhew replied to Gary Baggett's discussion Efficiency Maine
"Heliotropic Technologies has a wealth of experience that will be critical in making your energy management program successful working the Efficiency Maine Trust.  We have existed at our Boothbay Harbor location offering a menu of…"
Nov 21, 2012
Michael J. Mayhew replied to Curt Kinder's discussion Vampire load suprise - garage door openers
"I suspect the garage door openners power could be controlled by an occupancy sensored power controller, similar to that used in Vending/Office Misers, assuming that its stand-by load is next to nothing.  I suspect the most…"
Oct 29, 2012
Michael J. Mayhew shared Tom White's video on Facebook
May 29, 2012
Michael J. Mayhew replied to Cierra Mooney's discussion Evergreen Home Performance named Small Business of the Year
"I've had the pleasure to work with Evergreen Home Performance on several projects, as a customer/project manager, and as a subcontracted team member.  They are wonderful and very deserving of this award.  Yay Richard & crew,…"
May 18, 2012
Michael J. Mayhew replied to Elizabeth Guinn's discussion Sealed Combustion Wood burning stove?
"I don't have the answer to the question that you're looking for, but what I did for my wood stove (which is a half-step), is purchased a Fresh 80 (Swedish air ventilation device), and mounted it very close to the woodstove.  Though…"
Oct 13, 2011
Michael J. Mayhew replied to Elizabeth Guinn's discussion RemRate Water Furnace modeling problem
"One would be tempted to put in 500%, but refrain, the stated COP is just for the unit, not the HP system, which will include pumping power and other distribution losses.  Probably system COP closer to 3."
Aug 4, 2011
Michael J. Mayhew commented on Michael J. Mayhew's video
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Solar Tech - Heliotropic Technologies

"You're welcome.  You'll have to stop by if you're in the area.  The building is still evolving.  (This spring, I removed the top dormer and replaced with an octagonal R-75 hot metal roof.)"
Jul 7, 2011
Cindy Matthews commented on Michael J. Mayhew's video
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Solar Tech - Heliotropic Technologies

"Very impressive! I really enjoyed seeing your home and office. Thanks for sharing. :)"
Jul 7, 2011
Michael J. Mayhew's video was featured

Solar Tech - Heliotropic Technologies

Heliotropic Technologies' HQ a 30 year building science experience that's a fun place to live & work out of.
Jul 7, 2011
Michael J. Mayhew posted a video
Jun 30, 2011
Michael J. Mayhew replied to George Kopf's discussion Concerns about drill-and-fill cellulose insulation in walls without a vapor barrier
"I bought my house in 1981 and filled the walls and ceiling with cellulose, and was concerned for years about the vapor barior issue which flip-flopped a couple of times and long story short, I'm glad I refrained from using anything other than…"
Jun 10, 2011
Michael J. Mayhew replied to George Kopf's discussion Blown fiberglass + blown cellulose
"nope  "
Jun 2, 2011
Michael J. Mayhew is now a member of Home Energy Pros Forum
Nov 17, 2010

Profile Information

Company
Heliotropic Technologies
Professional Certification
PE, CEM, GBE, Cert. Solar Installer
Professional Interests
Solar Energy, Renewable Energy Systems, Building, Project Management, Commercial & Industial Energy Efficiency, Strategic Energy Planning
Website URL
http://www.heliotropictech.com
Facebook Page
www.facebook.com/HeliotropicTech/

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Forum Discussions

Psychrometric Chart Training

Started by John Krochmalny in Training 12 hours ago. 0 Replies

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler on Monday. 2 Replies

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco on Monday. 1 Reply

Latest Activity

David Butler replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"Hi Mike, it's good to get some feedback from the field, and thanks for confirming Gen 3 is now…"
1 hour ago
B Eric Bell liked Bob Krell's group Healthy Indoors (IAQ)
9 hours ago
John Krochmalny posted a discussion

Psychrometric Chart Training

Looking through the various areas of this site, I didn't see too much information or training on…See More
12 hours ago
Profile IconMike Malek, Avery T. Phillips and Sarah Burger joined Home Energy Pros Forum
13 hours ago
Dannie Jackson's blog post was featured

Core Heat And Other Concepts

  In some places the use of solar heated liquids from hot water solar panels are used to provide…See More
17 hours ago
Michael Duclos replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"I’ve been looking into Sanden for a multi-family PH near Laconia, NH, ASHRAE 99.6% temp is…"
17 hours ago
Profile IconTroy Spindler, Mike Berg, Andrew McDowell and 4 more joined Home Energy Pros Forum
yesterday
David Butler replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"theoretically, let's say you perfectly isolate the HPWH from a heat source. The HPWH's…"
Monday

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