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Topgraded Resources
Calculations
- Coefficient of Performance. Note that the Europeans have a more sophisticated Seasonal COP (SCOP) [1]
- Cost - note that the above states $7-11k system cost - large value that the owner-builder can create as the hardware involved is only 1/5 of the cost.
- Ground Source - tubing install cost is $13-24k according to above video. Extraction is 10-30W/meter of tubing.
Sourcing
- 2ton, $1000 [2]