All Discussions Tagged 'heat' (11)

Discussions Replies Latest Activity

Solar Heat Air

Does anyone has and quantifiable data for a solar heat air system?  It seems the state of Minnesota has been investing into this technology…

Started by Luis Hernandez

11 Jul 17, 2014
Reply by Bradley Wiesneth

Heat Loss Calculation

I want to discuss about the heat loss calculation that why we need to calculate heat loss? According to me - The heat loss calculation is…

Started by Anie

0 Jul 2, 2014

Concrete floor insulation details

Greetings everyone!     I was hoping I could get some feedback with a building I am working on. The existing concrete was a 3 inch "homeow…

Started by Luis Hernandez

2 Jun 24, 2014
Reply by Hal Skinner

Heat loss from ducts

Hey there Home Energy Pros, How do you calculate whole home heat loss from the ducts?  To put this in context, I know how to calculate heat…

Started by George Kopf

20 May 12, 2014
Reply by Bob Blanchette

Air Source Heat pump or mini-split efficiency

Greetings everyone!     I have a technical questions I hope I could get some feedback! I understood that air source heat pumps are very ef…

Started by Luis Hernandez

1 Apr 30, 2014
Reply by George J. Nesbitt

Another Window Question

We all know windows are cold in winter and do a poor job of keeping the heat in.  Unfortunately, the calculations that show the potential s…

Started by Bud Poll

1 Jan 9, 2014
Reply by Bud Poll

Student needs help for HVAC research project

Hi, I am a Building Science student, working on a residential HVAC research project. Specifically, I am comparing the following types of sy…

Started by Lena Burkett

7 Nov 22, 2013
Reply by prisco tammaro

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

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

2 Sep 14, 2013
Reply by Perry Ning

Backup Power for Pump on Radiant Heat System

A friend of mine in Traverse City asked about options for powering a pump on his home's radiant heat system. During an extended power outag…

Started by Nick Helmholdt

6 Apr 11, 2013
Reply by Dennis Heidner

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Mariusz Chorazy posted a blog post

Here are a few tips to keep your air conditioning bill low

TAKE GOOD CARE OF YOUR AIR CONDITIONER – Like any major appliance, your AC requires regular…See More
5 hours ago
Dale Pickard replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"Morgan, I got this below from the Knight installation manual. I note a few things, -These…"
8 hours ago
Dale Pickard replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"Hans, The car manufacturer's are doing it with mass flow sensors and oxygen sensors…"
22 hours ago
Dale Pickard replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"I was trying to avoid naming manufacturers, but I was going by the published information for the…"
22 hours ago
Eric Kjelshus replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"I look at this not about AFUE,  but flue gas dewpoint.  If your burn rate is rotting the…"
yesterday
Bob Blanchette replied to Kirsten Richnavsky's discussion Crawl spaces and attics: OSHA to implement new rule on confined spaces
"Keeping HVAC equipment out of attics should be part of the new code. "
yesterday
Linda Wigington replied to Linda Wigington's discussion Weigh in - Honorable Mention? 2nd Base? Half-Way There? 50% Better? On the Path? in the group 1000 Home Challenge
"Nickie -  Good points. I think it is easy enough to flag or designate projects that achieve…"
yesterday
Morgan M Audetat replied to Rod Fox's discussion Does altitude affect AFUE? or just the input/output BTUs?
"Though Viessmann is relatively unique in the application of Lambda technology to condensing…"
yesterday

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