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Search: Posts Made By: vann
Forum: Solar Heating 06-23-15, 07:02 AM
Replies: 31
Views: 9,661
Posted By Mikesolar
Sorry guys but lots of odd and old info in this...

Sorry guys but lots of odd and old info in this thread.

First, I have put in lots of all types of solar thermal systems and really the only drawbacks to a drainback system is pumping power and a...
Forum: Geothermal & Heat Pumps 09-15-13, 05:22 AM
Replies: 45
Views: 50,341
Posted By jeff5may
The simplest, most common heat pump is a...

The simplest, most common heat pump is a refrigerator or deep freezer. It moves heat from inside the box to outside the box. A thermostat inside the box maintains a set temperature, so when the box...
Forum: Geothermal & Heat Pumps 09-14-13, 02:01 PM
Replies: 45
Views: 50,341
Posted By AC_Hacker
How do heat pumps work? To explain how heat...

How do heat pumps work?

To explain how heat pumps work, we need to understand a process that is basic in all of nature, but isn't fully understood by most people. That process is called "Change of...
Forum: Geothermal & Heat Pumps 09-13-13, 10:24 AM
Replies: 45
Views: 50,341
Posted By Daox
Heat Pumps for dummies (beginners guide)

This site has accumulated a pretty huge wealth of heat pump information. However, there are many who are completely baffled by how these magical machines work at over 100% efficiency. Now throw in...
Forum: Geothermal & Heat Pumps 01-22-12, 11:46 AM
Replies: 12
Views: 17,817
Posted By AC_Hacker
Hack Your Refrigerator!

http://revelle.net/lakeside/lakeside.new.photos/EnergyUsage.jpg

While searching for something else, I came across a very interesting article about radically reducing the energy consumed by a...
Forum: Geothermal & Heat Pumps 04-29-09, 05:01 PM
Replies: 1,942
Views: 1,640,566
Posted By AC_Hacker
We look under the hood to see what's going on... (conclusion)

Let's take advantage of the fact that the cover is off and watch what the unit does under power...

Make sure that the cover is back on the compressor, and that no screwdrivers or wrenches are in...
Forum: Geothermal & Heat Pumps 04-29-09, 03:07 PM
Replies: 1,942
Views: 1,640,566
Posted By AC_Hacker
We look under the hood to see what's going on... (continue #2)

Lets take a closer look at the flow of refrigerant...

http://ecorenovator.org/forum/attachments/projects-improvements/202d1241029127-homemade-heat-pump-manifesto-compressor-condenser.jpg...
Forum: Geothermal & Heat Pumps 04-29-09, 01:10 PM
Replies: 1,942
Views: 1,640,566
Posted By AC_Hacker
We look under the hood to see what's going on... (continue #1)

Let's take a look at the top of the compressor...

http://ecorenovator.org/forum/attachments/a/196d1244396275-homemade-heat-pump-manifesto-compressor-capped.jpg?stc=1
compressor-capped

There's...
Forum: Geothermal & Heat Pumps 04-28-09, 04:40 PM
Replies: 1,942
Views: 1,640,566
Posted By AC_Hacker
We look under the hood to see what's going on...

OK, sorry to take so long... life is a multi-threaded process.

So now we're going to open up the case, but we are not yet going to open up the refrigerant system.

Safety first, make sure you...
Forum: Geothermal & Heat Pumps 03-30-09, 10:11 AM
Replies: 1,942
Views: 1,640,566
Posted By AC_Hacker
The Homemade Heat Pump Manifesto

Hello all,



(I have been working on this project since 2009, and I am having great success and fun, but have yet to find anyone on the web doing similar work.)

* * *

I live in an older...
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