This section provides details of an example project featuring a cascaded ground source heat pump system fed by a pond mat ground array.
We have provided schematic drawings, example costs and a real-life case study to showcase how a cascaded ground source heat pump system architecture designed by Kensa can effectively meet a high commercial heating and hot water load.
For more information, call sales on 0845 680 4328.
*For illustrative purposes only
|System architecture||Cascaded central plant|
|Total heat pump capacity||120kW|
|Equipment type||3x 45kW Plantrooms|
|Potable DHW temp||Space heating only|
|Integral immersion heaters||No (DNO friendly)|
|Ground array type||Pond mats|
|Pond mats required||x24 plus header pipework|
|Lake area required - no flow||6000sq/m|
* A cost range is depicted here as every project is different and can contain more design features than shown in this example.
**Installation costs for external kit only (costs to install internals equivalent to a traditional system)
***NDHRI is a 20 year index linked funding stream which assumes inflation at 3%
****Based on electric at 15p/kW/hr and COP of 3
*****Based on oil at 45p litre and 85% efficiency
Case study: The Old Farmhouse
The owners of the Old Farmhouse in Lancashire replaced their old, inefficient LPG boiler with a cascaded ground source heat pump system from Kensa to provide heating and hot water to three separate dwellings, thus benefiting from the Non Domestic Renewable Heat Incentive (RHI).
- Working agricultural farm and c1900 farmhouse;
- Converted barn and stable buildings;
- Cascaded ground source heat pump system;
- 1x 24kW Kensa Twin Compact for heating;
- 1x 21kW Kensa Hybrid for heating and hot water;
- 12x pond mats submerged in pond.