HVAC (49)

Featured Discussions

Commercial duct testing

Hello all, I am a BPI BA, HERS rater and QC inspector. I cant find a ton of information on this topic and I wanted to see what others had t…

Started by Shaun Latest Reply

Oil Fired Boiler Being Used as the Heating Source in Two Air Handlers of a Historic Home

I'm not sure this makes any difference, but I've only run into a system like this here, where I live on the Eastern Shore of Maryland. In f…

Started by Charles Ryan WeitzelLatest Reply

AC exhaust up chimney

We are looking at getting a portable AC unit. Is it possible to vent the heated exhaust air into a fireplace that will exit up and out the…

Started by Bill BoltonLatest Reply

Discussions Replies Latest Activity

What causes a temperature plane in a home

I have a Customer that has a very open floor plan.  2 story opening in the middle of the house.  When you walk up the stairs you feel a dra…

Started by Energy Wise Solutions

11 Jun 8
Reply by Eric Kjelshus

Where to install the vapor barrier for a finished basement?

I have an audit customer that is in the process of finishing his basement. The basement foundation walls are poured concrete. He has instal…

Started by Jim Klebes

11 Mar 9
Reply by David Eakin

Comparing the AirCycler g2 and HRV [Infographic]

AirCycler is excited to share that we have recently launched a new version of our Annual Ventilation Cost Calculator. Now, in addition to c…

Started by Carly Maltais

0 Jan 23

What's the Most Profitable HVAC Job for Your Company?

Simple Question - In your experience, What has been the most profitable HVAC job for your company? If you're not sure, feel free to state y…

Started by Wayne Melancon

3 Jan 18
Reply by Wayne Melancon

Commercial duct testing

Hello all, I am a BPI BA, HERS rater and QC inspector. I cant find a ton of information on this topic and I wanted to see what others had t…

Started by Shaun

11 Jun 24, 2016
Reply by Glen Gallo

Oil Fired Boiler Being Used as the Heating Source in Two Air Handlers of a Historic Home

I'm not sure this makes any difference, but I've only run into a system like this here, where I live on the Eastern Shore of Maryland. In f…

Started by Charles Ryan Weitzel

4 Mar 17, 2016
Reply by Mick Lane

AC exhaust up chimney

We are looking at getting a portable AC unit. Is it possible to vent the heated exhaust air into a fireplace that will exit up and out the…

Started by Bill Bolton

2 Jan 29, 2016
Reply by Thomas Ailstock

VRV or VRF ?

What’s the difference between VRV and VRF? Many people who ask this question, mistakenly interpret it as 2 different HVAC technologies. Ac…

Started by Igor Mitbarg

0 Jan 18, 2016

Does altitude affect AFUE? or just the input/output BTUs?

I searched and searched and searched yesterday for an answer to the question "Does altitude affect AFUE?" but did not come up with any defi…

Started by Rodney Fox

25 Jul 15, 2015
Reply by Morgan M Audetat

ERV in need of backflow preventer.

I installed an ERV on my last job with the intake and exhaust utilizing 6" round hard duct.  I have no problem locating an exhaust vent cov…

Started by Elizabeth Guinn

7 Jun 5, 2015
Reply by Morgan M Audetat

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Forum Discussions

Too many Heat Pump Water Heaters in a basement?

Started by Brad Cook in General Forum. Last reply by David Butler 10 hours ago. 9 Replies

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler 11 hours ago. 2 Replies

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco 17 hours ago. 1 Reply

Fixing a water heater?

Started by John Shillito in Best Practices. Last reply by Eric Kjelshus on Friday. 21 Replies

Latest Activity

Profile IconAndrew McDowell, Randy Kinnison, Breanna Detwiler and 8 more joined Home Energy Pros Forum
8 hours ago
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…"
10 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"Interesting idea. Commercial roof on a slope! Typical density for roofing spray foam is 2.5 to 3.0…"
11 hours ago
Summer Redman added a discussion to the group Job Board
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Hiring 2 Training Specialists in Champaign-Urbana, Illinois

The Applied Research Institute (ARI) at the University of Illinois at Urbana-Champaign is seeking…See More
12 hours ago
Summer Redman joined Diane Chojnowski's group
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Job Board

This group is for posting jobs related to all aspects of the home performance industry including…See More
12 hours ago
Stacie Bagnasco replied to Evan Mills's discussion Dirty solar panels
"This is a great idea. I clicked on your discussion because it made me remember that I forgot to get…"
17 hours ago
Kirsten Richnavsky posted an event
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rCloud - The Future of Testing at Your Office or Home

October 18, 2017 from 2pm to 3pm
Integrating rCloud as an essential part of your RESNET QA process.Retrotec’s rCloud app is here,…See More
17 hours ago
Ed Whitaker replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"Brad,   I agree with the comments and would add a couple of thoughts. 1st,  any time you…"
18 hours ago

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