Perry Ning
  • Male
  • Birmingham, AL
  • United States
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Perry Ning's Discussions

Sizing A Ground Heat Exchanger for Installation
1 Reply

Ground Heat Exchanger (GHE) is the key to the efficiency of a Ground Source Heat Pump (GSHP). However, GHE is not standardized as other parts of the GSHP. It is basically a bunch of tubes that need…Continue

Started this discussion. Last reply by Bob Blanchette Sep 14, 2013.

What About DIY Geothermal Heat Exchangers for Heat Pumps?
2 Replies

     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 yourself for the actually installation?     To initiate the…Continue

Tags: Ground, heat, exchanger, GHE, Pumps

Started this discussion. Last reply by Perry Ning Sep 14, 2013.

Cooling His Room With a Big Refrigerator - What is Wrong with That?
5 Replies

       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.         The cool air from the fridge gave Peter a COOL idea.…Continue

Tags: energy, fridge, conversion, waste, heat.

Started this discussion. Last reply by Perry Ning Sep 14, 2013.

 

Perry Ning's Page

Latest Activity

Shankar Subramani commented on Perry Ning's blog post Warnings About Portable Air Conditioners
"Hello Perry, I have a question about portable acs. We are planning to be away from the apartment that we are staying in for about 45 days. It is summer time here in Edmonton, and we feel that it might be a good idea to leave the ac on just to avoid…"
Jun 12
Ricardo commented on Perry Ning's blog post Warnings About Portable Air Conditioners
"Hi Perry, Great post, having worked in the HVAC industry for sometime I feel I need to justify portable aircon units as they are becoming a lot more energy efficient and a lot more eco friendly. As a pre note I will say I've just bought a unit…"
Mar 18
Michael Berg commented on Perry Ning's blog post Warnings About Portable Air Conditioners
"I recently purchased a single hose portable 5000 btu a.c. for a small enclosed 100 sq ft room inside my garage.  I am having a heck of a time controlling the humidity in both "a.c." and "dry" mode.  The…"
Jun 29, 2014
elizabethreilly commented on Perry Ning's blog post Warnings About Portable Air Conditioners
"The information provided is really helpful to understand the concept whereas people mostly miss out simple things like cleaning air ducts which helps to inhale the fresh air. https://plus.google.com/103587002729772197042/about"
Jun 25, 2014
Nancy shirley commented on Perry Ning's blog post Warnings About Portable Air Conditioners
"Portable air conditioners are one off the most usable home appliances. Such type of ac's usually takes a small amount of money to consumed. Noise is the most common problem portable ac's have. But there are several of the excellent…"
May 29, 2014
David Kerrigan commented on Perry Ning's blog post Warnings About Portable Air Conditioners
"I agree with you here, but wanted to add the fact that a portable air conditioner can be utilized very effectively such as cooling your bedroom at night or home office during the day while keeping the rest of the windows in the house open. You would…"
Apr 2, 2014
Perry Ning replied to Andrew Vidal's discussion Looking for a good load calculation software in the group HVAC
"Hi John,     Very good Graphic Method.  With your permit, I would like to download your PDF to my website heatExch.com. Please leave me a reply here if I could do that.     Thanks,     Perry Ning, owner of…"
Sep 23, 2013
Perry Ning joined Allison A. Bailes III's group
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HVAC

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.See More
Sep 23, 2013
Perry Ning's 3 discussions were featured
Sep 17, 2013
Bob Blanchette replied to Perry Ning's discussion Sizing A Ground Heat Exchanger for Installation
"Since the ground loop is the biggest cost of having Geo installed it's critical to get this right for quickest payback time vs. a conventional HVAC system. Too small of a loop and you won't get the rated EER from the unit, too big and you…"
Sep 14, 2013
Perry Ning replied to Perry Ning's discussion Cooling His Room With a Big Refrigerator - What is Wrong with That?
"You are right! Here are some more challenging questions. They may not be challenge enough for you, but your answers may help others. Thanks,  Perry http://homeenergypros.lbl.gov/forum/topics/sizing-a-ground-heat-exchanger-for-installation ???"
Sep 14, 2013
Perry Ning replied to Perry Ning's discussion What About DIY Geothermal Heat Exchangers for Heat Pumps?
"What about sizing?  I have write the basic steps to size a GHE.  It would be great if you can check me out and give some comment. http://homeenergypros.lbl.gov/forum/topics/sizing-a-ground-heat-exchanger-for-installation. Thanks,…"
Sep 14, 2013
Perry Ning posted a discussion

Sizing A Ground Heat Exchanger for Installation

Ground Heat Exchanger (GHE) is the key to the efficiency of a Ground Source Heat Pump (GSHP). However, GHE is not standardized as other parts of the GSHP. It is basically a bunch of tubes that need to be properly sized and burred in the ground. Improperly sized GHE can lead to chocked flow and higher pumping cost or stagnate flow and less heat transfer.Sizing methods and data of GHE are mostly…See More
Sep 14, 2013
Bob Blanchette replied to Perry Ning's discussion What About DIY Geothermal Heat Exchangers for Heat Pumps?
"Ground loop costs are the biggest expense of Geothermal. Doing the digging and installing the loop DIY sounds like a great way to cut installation costs."
Jul 14, 2013
Curt Kinder replied to Perry Ning's discussion Cooling His Room With a Big Refrigerator - What is Wrong with That?
"Oh please - that's a classic college-level thermodynamics question! That might be marginally effective if Peter shoved the fridge into an exterior doorway such that the hot coils were outside the room and airsealed the remaining gaps."
Jul 11, 2013
Perry Ning commented on Anna Jursik's blog post Public Art to Promote Energy Efficiency
"    Yes. Do something. Once people get into the action, they will actually enjoy it. I just had a lesser proposal to see if our expert here would favor a…"
Jul 11, 2013

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heatExch.com
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Heat Exchanger Engineer
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Heat Exchanger
Heat Transfer
Home Energy
Air Conditioning
Heat Transfer Printing
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Blog URL
http://heatExch.com/Latest/
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https://twitter.com/heatexch
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Perry Ning's Blog

Warnings About Portable Air Conditioners

Warnings About Portable Air Conditioners

Warning About Portable Air Conditioners

Here are some warnings about portable air conditioners to help you to be aware of their low energy efficiency rating when purchasing a new air conditioner. If you already have a portable air conditioner or if a portable air conditioners your only option to get some cooling,…

Continue

Posted on July 2, 2013 at 12:20pm — 9 Comments

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FIREPLACE FASHION COVER

A Fireplace Fashion Cover will insulate and isolate your fireplace against drafts and heat loss…
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