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Forum: Geothermal & Heat Pumps

09-09-13, 09:34 AM

Replies: 1,943

The Homemade Heat Pump Manifesto

Views: 4,639,973

Posted By berniebenz

FYI, a cheap power meter, 12 bucks

NEW AC Digital LED power meter monitor Voltage KWh time watt energy Volt Ammeter
New AC Digital LED Power Meter Monitor Voltage kWh Time Watt Energy Volt Ammeter | eBay...

Forum: Geothermal & Heat Pumps

09-02-13, 03:40 PM

Replies: 1,943

The Homemade Heat Pump Manifesto

Views: 4,639,973

Posted By berniebenz

Apparently you ignore the happenings on the other...

Apparently you ignore the happenings on the other side of your heat exchange barrier, the pipe wall, in your desire to reduce the buried pipe length by 50%! The outside of the pipe is exposed to zero...

Forum: Geothermal & Heat Pumps

09-01-13, 04:48 PM

Replies: 1,943

The Homemade Heat Pump Manifesto

Views: 4,639,973

Posted By berniebenz

Not so! Slinky ground loops normally have a D to...

Not so! Slinky ground loops normally have a D to d ratio (slinky D to tube ID) of about 50 to 1. Bend radius caused turbulence occours at ratios <2/1.

Forum: Geothermal & Heat Pumps

10-03-12, 03:14 PM

Replies: 1,943

The Homemade Heat Pump Manifesto

Views: 4,639,973

Posted By berniebenz

Thanks Hack, for the well stated reply. I...

Thanks Hack, for the well stated reply.
I understand that 1 Ton of heat transfer equals 12,000 BTU/hr.

My Q is more specific regarding this rating as a measure of HX performance, i.e. the...

Forum: Geothermal & Heat Pumps

10-03-12, 09:03 AM

Replies: 1,943

The Homemade Heat Pump Manifesto

Views: 4,639,973

Posted By berniebenz

What is the meaning, defining conditions of the...

What is the meaning, defining conditions of the TONage rating of these HXs?

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