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Sizing A Ground Heat Exchanger for Installation

Ground Heat Exchanger (GHE) is the key to the efficiency of a Ground Source Heat Pump (GSHP). However, GHE is not standardized as other par…

Started by Perry Ning in Best Practices

1 Sep 14, 2013
Reply by Bob Blanchette

Cooling His Room With a Big Refrigerator - What is Wrong with That?

       It was very hot this July 4th for Peter when his room AC broke down.  Nothing taste better than a cold beer from the refrigerator.  …

Started by Perry Ning in HVAC

5 Sep 14, 2013
Reply by Perry Ning

What About DIY Geothermal Heat Exchangers for Heat Pumps?

     Many of our pros here are also DIY experts. You may have done or plan to do some geothermal projects. Do you favor a contractor or you…

Started by Perry Ning in General Forum

2 Sep 14, 2013
Reply by Perry Ning

Super Seal and Dry R

Hi, I installed my York system 2 years ago July 2011 and this month I found ice on my coils, I have 3.5 ton system with new refrigerant lin…

Started by George Gereis in HVAC

3 Sep 13, 2013
Reply by James White

Consumer Reports recommends BPI credentialed contractors!

In their latest issue, which hits newsstands this October, Consumer Reports unequivocally recommends BPI certified contractors as the profe…

Started by Mike Kandel in General Forum

0 Sep 10, 2013

Check it out! The video every HVAC contractor should see.

Here’s an inside look at incorporating home performance into your HVAC business from two of the industry's leading contractors. Learn how s…

Started by Mike Kandel in General Forum

0 Sep 3, 2013

Know Your House Facts

Faced with Home Manager retirement, what should a homeowner do? Know your House Facts.  By design, “Variable Air Volume” is the foundation…

Started by Gary LaForge in General Forum

4 Sep 1, 2013
Reply by Bob Blanchette

How Do We Make Energy Efficiency Sexy, or at Least Interesting?

I was reading my local newspaper and a photo showing a man and his electric bill caught my attention. His electric bill was more than $7,00…

Started by Jim Gunshinan in General Forum

2 Aug 29, 2013
Reply by Dennis Heidner

Congratulations to NYSERDA for completing 50,000 projects under Home Performance with ENERGY STAR!

After more than 12 years of hard work and dedication to the Home Performance with ENERGY STAR program, NYSERDA is celebrating the completio…

Started by Mike Kandel in General Forum

1 Aug 29, 2013
Reply by tedkidd

Are Energy Pros the OB-GYNs of the Real Estate Industry?

I was just looking over ACCA's new revised standard out for comment: Existing Homes Evaluation and Performance Improvement - ANSI/ACCA 12 Q…

Started by Tom Conlon in General Forum

4 Aug 26, 2013
Reply by Tom Conlon

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Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler 7 hours ago. 34 Replies

Psychrometric Chart Training

Started by John Krochmalny in Training. Last reply by Mahendra Shah on Friday. 1 Reply

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco Oct 16. 1 Reply

Latest Activity

David Butler replied to David Butler's discussion How would you insulate this roof?
"Sean Lintow proposed rails and clips (re: first comment in this discussion), but in the context of…"
7 hours ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I missed where the suggestion for rails came in. The plywood would not need any rails. 4+ inches is…"
11 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"I'm a little confused about the necessity and purpose of using support rails if working on…"
11 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"If you insulate master bedroom and family room from below, you definitely need more R-value than…"
11 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"Brad, I was only talking about using EPS between the ridges, if necessary, to conform to bolts.…"
12 hours ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"It kind of depends on the PIC. Not all insulation is made the same. Here in VT (and all of New…"
12 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"Filling those shallow valleys with rigid foam not only prevents primary foam panels from…"
12 hours ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"Bill, you just posted a number of responses in different areas of the thread. I will try to respond…"
16 hours ago

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