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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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Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Walter Ahlgrim 1 hour ago. 3 Replies

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy 5 hours ago. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas 11 hours ago. 2 Replies

Strange IR Image

Started by Larry Nissman in General Forum. Last reply by Brad Cook Mar 9. 7 Replies

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Latest Activity

Walter Ahlgrim replied to Steve's discussion Too many BTU's. Too much horsepower?
"The 5 ton system you have is not 500 hp racecar engines they are 500 hp truck engines. The duct…"
1 hour ago
Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"So I wanted to start with a basic who can help then go into more detail later. But yes find…"
5 hours ago
Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"My tutor got back to me and while areas don't quite feel right a little to much assumptions…"
5 hours ago
Brennan Less replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"Daniel, I'm assuming you're trying to predict the airflows through the different openings…"
7 hours ago
Martin Newmark joined allen p tanner's group
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
9 hours ago
John Nicholas replied to Brad Cook's discussion BDT with vermiculite in hollow CMU walls?
"If the drywall is in good shape, you should have little worries about the 50pa depressurization…"
11 hours ago
tedkidd replied to Steve's discussion Too many BTU's. Too much horsepower?
"Does the house ever feel clammy? Do you have to keep the thermostat below 74 to be comfortable? Is…"
14 hours ago
Danielle Sass Byrnett liked Diane Chojnowski's blog post Don MacOdrum receives BPI's 2017 Tony Woods Award!
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