Recent content by OldHap

Here are some real-world observations. You can use concentrators to ramp up the heat but you run into the problem of flashing your water into steam. Using very basic techniques such as black copper tubing on a dark background sealed under a pane (or two) of glass or acrylic will allow your...

Hi Ed, You are talking about making a horizontal geothermal system. A variation of what you are talking about that has been around for years is called an "earth tube" except that it just uses air instead of water. Though air is a very poor thermal transfer medium approximately 120 feet...