Slinkies

This section provides a ground source heat pump design with schematic drawings, ground source heat pump installation costs compared to LPG, and a real-life case study and ground source heat pump reviews to showcase how a district ground source heat pump system fed by a slinky ground array can provide heating and hot water to multiple buildings on a holiday park.

For more information, call sales on 0845 680 4328.

Schematic drawing*

*For illustrative purposes only

Project example

System architectureMicro District
Total heat pump capacity52kW
Equipment type4x 13kW Evo's
Design conditions0/40°C
Potable DHW temp60°C
Integral immersion heatersNo (DNO friendly)
Ground array typeSlinkies
Slinkies required14
Land area required3500sq/m

Costs, Savings & Returns

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*Costs are for the supply and installation of the Kensa heat pump and ground array only. Costs for supply and installation of internals such as radiators, underfloor and heating controls are not included, please speak to your plumbing contractor. **Based on electric at 15p/kW/hr and COP of 3 ***Ground source heat pumps have no requirement for annual maintenance. However, it is good practice for the heating distribution system to be proactively checked and maintained to ensure optimum performance. ****NDRHI is a 20 year index linked funding stream which assumes inflation at 3%

For an LPG boiler 
LIFETIME EXPECTANCY
LPG boiler lifetime expectancy10 years
LPG BOILER EQUIPMENT COSTS
LPG boiler equipment supply costs*£15K
Total:£15K
RUNNING & SERVICE COSTS
Estimated LPG running costs over 10 years**£87.5-100K
Estimated LPG servicing costs over 10 years£1K
Total:£88.5-101K
CARBON SAVINGS
Projected carbon emissions over 10 yearsTBC
GRANTS & INCENTIVES
20 year NDRHI funding***£0K
NET COST OVER PRODUCT LIFETIME (10 YEARS)£103.5-116K
*Costs are for the supply and installation of the LPG boiler equipment only. Costs for supply and installation of internals such as radiators, underfloor and heating controls are not included, please speak to your plumbing contractor. **Based on LPG at 40p a litre and 85% efficiency ***NDRHI is a 20 year index linked funding stream which assumes inflation at 3%

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