Google GSHP

[Temp]

Google starts selling vertical GSHP according to...

 

http://money.cnn.com/2017/07/07/technology/google-dandelion/index.html

 

[SteamyTea]

Bit thin on details about the drill.

[Guest Alphonsox]

But only $20,000 - $25,000 per system That would pay for a lot of insulation.

[ProDave]

I discounted a GSHP purely on the cost of the pipe and antifreeze to go in it, and decided on a much cheaper and easier option, an ASHP. And I had my own digger at the time so I could have laid the ground pipes myself.