Ground-source heat pumps in sheltered housing – Bromley (CP746)

LEAD AGENCY: Moat Homes
OTHER PARTNERS:
PROJECT SUMMARY: Heating and domestic hot water systems will be replaced within two residential sheltered over-55s blocks of flats and a communal area. Ground source heat pumps and 100 litre unvented hot water cylinders will be installed in 56 households; fed by multiple boreholes across the property.

New radiators will be installed along with a new room thermostat and remote monitoring / control system with web and iPhone access. Each ground source heat pump will have electric pulse meters fitted to give resident and landlord’s feedback on the total running cost of each ground source heat pump.

EVALUATION METHODOLOGY: Interviews will be conducted with a sample of households to capture behaviours and previous electricity expenditure. Previous gas bills for the property will be required from the applicant (divided by the 56 flats).

Household interviews will be supplemented with electricity use and thermal data logging conducted with recognised calibrated standalone devices on radiators and immersion heaters, plus manual energy meter readings from householders. Monitoring will be for 12 months, and must include a full winter heating period.

PROJECT OUTCOMES:
  • NEA is interested in learning more about the performance of Ground Source Heat pump technology in low rise tower blocks and at householder level, the role it can play in tackling fuel poverty.
  • It is projected heating and hot water bills will reduce to just £180 per annum.
  • The remote monitoring and control system applied will provide residents with greater control and information about energy use.
  • The smart system being applied will enable remote monitoring to be carried out providing residents with an improved level of reliability, response and service should any technical issues arise.
REGION IN WHICH PROJECT WILL BE DELIVERED:  London
LOCAL AUTHORITY AREA/KEY LOCATIONS IN WHICH PROJECT WILL BE DELIVERED: Bromley Council
DETAILS OF TECHNOLOGIES TRIALLED:
  • Valliant geoTHERM mini 3kw ground source heat pump
  • 100ltr unvented hot water cylinder
  • Radiators replaced
  • Valliant VCR 470 room thermostat/control system
ELIGIBLE HOUSEHOLDS ASSISTED
NEA GRANT WITH MATCH FUNDING MATCH TOTAL
56 56

 

Extended TIF programme, results due summer 2018
Monitoring and evaluation of this programme will continue during the winter of 2017/2018, doing so will enhance the quality of data and enable a comprehensive evaluation to take place.
Published on 13-10-2016
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