HVAC (41)

Featured Discussions

How does Cycles Per Hour affect real world AFUE?

Some claim that modern furnaces have minimized off cycle losses to the point they no longer matter. Oversizing has become a comfort issue r…

Started by Bob BlanchetteLatest Reply

Underperforming? Energy Efficiency of HVAC Equipment Suffers Due to Poor Installation

Hello all, A search of the site seems to indicate this recently published study from NIST has not made an appearance, so here's a link to…

Started by Steve WacloLatest Reply

Think of the house as a really big duct

There is an article in the June 9 issue of ACHR News magazine that might help a lot people understand why the house is really part of the d…

Started by Frank SpevakLatest Reply

Discussions Replies Latest Activity

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@AirCycler

0 Mar 3

Getting Balanced Ventilation with the AirCycler g2-k

We spoke to a lot of people at RESNET 2015 about balanced ventilation so we wanted to share here how it can be achieved with the AirCycler…

Started by Carly@AirCycler

0 Feb 19

Proper means to "plug" flue pipes after testing gas appliances.

I have seen metal "plugs" (and this may not be the correct term) used for the holes that are drilled in vent pipes, in order to test combus…

Started by Patrick Michaelyan

26 Jan 29
Reply by Andrew Aliferis

How does Cycles Per Hour affect real world AFUE?

Some claim that modern furnaces have minimized off cycle losses to the point they no longer matter. Oversizing has become a comfort issue r…

Started by Bob Blanchette

12 Dec 30, 2014
Reply by Bradford E. White

Underperforming? Energy Efficiency of HVAC Equipment Suffers Due to Poor Installation

Hello all, A search of the site seems to indicate this recently published study from NIST has not made an appearance, so here's a link to…

Started by Steve Waclo

4 Dec 4, 2014
Reply by Robert Zockoff

Dirty Sock Syndrome in high efficiency HVAC units

I was recently told my new HE HVAC unit has the dreaded dirty sock syndrome.  Never had this problem with the old unit.  My research shows…

Started by Ti Mougne

12 Nov 17, 2014
Reply by Hal Skinner

When replacing outdoor unit, is it necessary to also replace the indoor unit?????

When replacing the outdoor unit, should the indoor unit also be replaced? most of the people have this question in their mind....please sh…

Started by Aaren Stewart

7 Oct 16, 2014
Reply by Eric Kjelshus

Let's solve this HVAC quiz!!!

Answer these three simple problems of your HVAC systems, let's see how much you know your system and its reasons of such problems. Problem…

Started by Aaren Stewart

5 Sep 25, 2014
Reply by Robert Cameron

HVAC - Cooling and Heating Load Reduction

Common load reduction strategies include:       Tightening your building covering and adding additional insulation to condense leakage.…

Started by Aaren Stewart

1 Sep 2, 2014
Reply by Hal Skinner

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 Rod Fox

7 Jun 17, 2014
Reply by Rod Fox

RSS

Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

R Higgins replied to William Fisher's discussion Can tankless water heaters provide hot water even when the groundwater is fairly cold?
"I have that problem, 45 to 50 degree ground water, in summer, not that we have much of a…"
7 hours ago
R Higgins replied to Larry Schaffert's discussion How to correctly insulate exterior wall in a 1900 house?
"I'd suggest trying to replicate the existing conditions as much as possible in your rebuild,…"
8 hours ago
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I am getting a lot of "bad idea" push back on this.  I fully understand that…"
19 hours ago
Greg Mitchell commented on Larry Ralph Jr's blog post Top 7 Worst Crawl Space Repairs
"Spray Foam should be used in crawlspaces.   To learn about closed cell foam in crawlspaces…"
20 hours ago
Jerry Lawrence posted events
yesterday
Morgan M Audetat replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Right you are. You have to ask: what will the cellulose contribute.  Here in Minneapolis we…"
yesterday
Morgan M Audetat replied to Tony Hicks's discussion Slab-on-grade Insulation
"All slabs float. We have been installing radiant floors on various slab constructions since the…"
yesterday
Tony Hicks replied to Tony Hicks's discussion Slab-on-grade Insulation
"2" XPS foam. I'd love an R-20. Having foam thick enough to get an R-20 would be…"
yesterday

© 2015   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service