HVAC (55)

Discussions Replies Latest Activity

Two-stage furnace, control at furnace or thermostat?

Got called in recently to address thermostat and comfort issues for a local builder we work with. In reconfiguring the thermostat (Ecobee S…

Started by Tray Biasiolli

8 Jan 11
Reply by tedkidd

Technical question about mini split heat pump line set maximum length

Hello! I'm installing a two-zone Mitsubishi mini split (in Pasadena, CA area, 1400 sf, single family detached, one-story home, if context i…

Started by Chris Stratton

2 Jan 2
Reply by Chris Stratton

ASHRAE 62.2 Help

Fine EE folks, I've got to go the ALTERNATIVE COMPLIANCE PATH for ASHRAE 62.2, and I need help with the NATURAL INFILTRATION CREDIT.  Eith…

Started by Melissa Baldridge

5 Dec 1, 2017
Reply by Melissa Baldridge

Manual J (SD) for custom, luxury homes

I am curious on how people who use Manual J for load calculations addresses the quirky issues that arise in high end custom home issues suc…

Started by Dav Camras

3 Nov 10, 2017
Reply by Dav Camras

Quantitative methods for residential zoning

The Manual Zr from ACCA is helpful for offering general guidelines for zoning rooms in a house, but I am wondering if there are any more co…

Started by Brett

1 Nov 9, 2017
Reply by David Butler

Replacement for Energy Conservatory Flow-blaster

It's too bad that the flow-blaster is no longer being produced or technically supported. Does anyone out there have recommendations for the…

Started by Blake Shurtz

1 Oct 24, 2017
Reply by John C. Semmelhack

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

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, 2017
Reply by Wayne Melancon


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