HVAC (64)

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, 2017
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, 2017
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, 2017

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

Using Two Exhaust Fans with AirCycler g2/FanConnect

A customer of ours recently asked if it was possible to operate two exhaust fans in two different bathrooms with the AirCycler g2 and FanCo…

Started by Carly Maltais

0 Mar 3, 2015

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Forum Discussions

Mini split installation location

Started by Jan Green in HVAC. Last reply by Jan Green 6 hours ago. 12 Replies

Think of the house as a really big duct

Started by Frank Spevak in HVAC. Last reply by John White on Friday. 2 Replies

Mini split air conditioners and ceiling fans

Started by Beverly Lerch in General Forum. Last reply by Beverly Lerch on Thursday. 13 Replies

Condensation on ceiling and walls of master bedroom

Started by Jerry Needham in General Forum. Last reply by John Nicholas on Thursday. 10 Replies

Latest Activity

Profile IconShine Facility Services and Todd Hensel joined Home Energy Pros Forum
1 hour ago
Jim Gunshinan posted a blog post

More "Buzz" from ACEEE Summer Study—Grow Homes

Joe Clark and Martha Wudka of Evergreen Economics did a study in which "getting into the weeds (or…See More
4 hours ago
Jan Green replied to Jan Green's discussion Mini split installation location
"I agre that the south wall would be shaded for the warmer summer months, but it won't look…"
6 hours ago
Jan Green replied to Jan Green's discussion Mini split installation location
"I'll check on electrical.  Good point.  "
6 hours ago
Jan Green replied to Jan Green's discussion Mini split installation location
"Thank you for that.  I wanted to put it on the west wall since there isn't much chance of…"
6 hours ago
David Butler replied to Jan Green's discussion Mini split installation location
"Hi Jan, actually, I said you'd be find putting it on the west wall since you wanted a larger…"
7 hours ago
Brett Little posted an event
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Using Pearl Certification to Bridge the gap between home energy and value - Free CE Webinar at Webinar Online

October 3, 2018 from 12pm to 1:15pm
In this webinar, “The Power of the Pearl Connection”, Pearl Certification’s Cynthia Adams, CEO and…See More
9 hours ago
Walter Ahlgrim replied to Jan Green's discussion Mini split installation location
"Being a Flip you must consider the install cost. At least get a bid for a PTAC unit like the ones…"
10 hours ago
Daniel Baur-McGuire replied to Jan Green's discussion Mini split installation location
"South Wall. It will have the highest load needed for cooling/heating. the shade from the tree could…"
11 hours ago
Glen Gallo replied to Jan Green's discussion Mini split installation location
"I would add where is the power coming from? the south wall proposed might have easier access for…"
11 hours ago
John White replied to John Carton's discussion Insulation touches underside of roof in home with no soffit or soffit venting.
"Soffit vents can be used for intake, but they are not the only means of intake. If you have a…"
18 hours ago
Franco Oyuela commented on David Byrnes's video
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Why One Room Is Hotter Than Others

"If the temperature difference between your bedroom and your living room feels like walking from a…"
Friday
Franco Oyuela replied to Jan Green's discussion Mini split installation location
"First: Mini split are a great option. Second:vI agree with David that installing on the south…"
Friday
Pearl Home Certification's blog post was featured
Friday
John White replied to Frank Spevak's discussion Think of the house as a really big duct
"Thanks for sharing this helpful information. Want to read more on duct cleaning pros and cons.…"
Friday
Jan Green replied to Jan Green's discussion Mini split installation location
"Thank you, thank you!  I appreciate your insights.  I agree with the idea that installing…"
Thursday
David Butler replied to Jan Green's discussion Mini split installation location
"Hi Jan, in a room like that with a relatively balanced aspect ratio, flat ceiling and not much…"
Thursday
Rick Blair joined Kyle Brown's group
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Wrightsoft - Manual J / Manual D

If you use Wrightsoft to calculate loads or design ducts, you likely have questions.  Get answers…See More
Thursday
Jan Green replied to Jan Green's discussion Mini split installation location
"This is a very rough diagram of the detached casita.  There are currently no windows in this…"
Thursday
Sean Wiens liked Jerry Needham's discussion Condensation on ceiling and walls of master bedroom
Thursday

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