DEEP is one of a handful of companies across the country pursuing geothermal energy, bolstered by government cash injections ...

Open loop systems refer to another type of geothermal system where water is pumped out of the ground, run, through the ...

The findings suggest that the design of the system ... working fluid through a closed loop in the ground to extract heat without directly interacting with the geothermal reservoir.

Although this design is cost-efficient, it doesn't suit homes with small lots that can't fit the loops properly ... 400 feet below ground to work. As you can imagine, this geothermal heat pump ...