Example: Multiple Buildings
If your development involves more than one building, you can utilise a micro-district ground source heat pump system architecture to provide low cost heating and hot water.
A micro-district ground source heat pump system features individual heat pumps in each dwelling, all fed from the same central ground array. This ground array can be made up of either coiled pipe known as slinkies, boreholes or pond mats, and it is sized to deal with the peak heat demand of all the dwellings combined.
Benefits of a micro district system
As each dwelling features its own individual ground source heat pump, the occupier has complete control of their own heating and hot water system. And because the heat pump is connected to the house electrical distribution board, the occupier receives their own bill, therefore eliminating the need for any cross-billing.
Because heat is produced by the individual heat pump inside each dwelling, there are no external heat losses which makes this system not only versatile but also energy efficient.
Costed example for water source
Water is an excellent conductor of heat and therefore water source ground source heat pump systems are extremely energy efficient.
If your development has access to a stream, river, pond or lake, then you should consider harnessing this freely available energy source. See example costs
Costed example for slinkies
If the plot is rural and surrounded by lots of exposed land area, then slinkies would be a viable option for a ground source installation.
Slinkies are the name given to coiled pipe buried in trenches at a depth of 1-2m where the ground temperature remains constant all year round. See example costs
Costed example for boreholes
If the development is in an urban area for example and has limited exposed land, boreholes would be the best option.
Boreholes can usually be drilled into any type of ground and are a perfect space-saving solution, as the depth of the hole(s) is varied to suit the heat requirement.
Micro district borehole systems are ideally suited to larger projects with a minimum of 20 properties. See example costs
Which RHI is right for me?
- Suited to larger properties;
- Available from 7 to 13kW.
- Suited to flats and apartments and smaller houses;
- Available from 3 to 6kW.
Kensa Contracting provides a complete turnkey service from feasibility study, through to design, full project management as well as installation and commissioning. And of course the heat pumps are manufactured by Kensa Heat Pumps, too. Read more
Kensa’s MCS Umbrella
If you or your own preferred installer will be undertaking the installation, Kensa’s MCS Umbrella Service offers full MCS compliance for those who are not yet MCS accredited, or simply require design support. Read more