Case Studies

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East Sussex Heat Pump Case Studies

An air-source heat pump typically provides around 3 to 4 kWh of heat energy for every 1 kWh of electricity it consumes. In comparison, for every 1 kWh of electricity used by a resistive electric heater, such as a fan heater or an oil-filled radiator, only 1 kWh of heat is produced.

20151210_112557This efficiency gain is possible because rather than generating heat itself, a heat pump uses the properties of a refrigerant to absorb heat from the air and then moves the refrigerant to release the heat in the place it is required. Working in reverse, most models can also be used to provide cooling.

The Heat Pump Association website provides a more detailed explanation: www.heatpumps.org.uk.

Co-efficient of Performance

20151210_111142Following a free Energy Audit and a £1,000 grant from the Energy Efficient East Sussex programme, Elephant Print & Display in Barcombe installed an air-source heat pump to replace two 3 kW resistance heaters.

The model they selected had a Co-efficient of Performance (COP) of 4, meaning that only 750 kWh of electricity are now required to provide the same annual heating demand that the original heaters needed 3,000 kWh of electricity to produce.

This has saved the company £270 a year and reduced their carbon footprint by just over 1 tonne.20151210_110940

Similarly, Badger Inks in Seaford are expecting worthwhile savings. Having received a grant to fit LED lighting, they have now also installed a heat pump on both the ground and first floor of their premises to replace a large ageing storage heater and several plug-in heaters. They expect to save 5,000 kWh and £500 per year, equating to around a 5 year return on investment.

Timer & Temperature Controls

As with any heating or cooling system ensuring that time and temperature settings are correctly programmed is essential to minimising running costs.

Posturite in Berwick also received free Energy Audit, which identified that by standardising the temperature settings of the numerous heat pumps used throughout the office building and ensuring that heating or cooling did not get left switched on overnight cost savings of over £1,500 per year could be achieved.

They also received a grant, to connect three heat pumps on the busiest floor of the building to a single control unit, so that the individual systems could not be accidentally set at different temperatures and effectively compete against each other.

Energy Efficient East Sussex was funded by East Sussex County Council and delivered by the Sustainable Business Partnership CIC.

Download this case study as a pdf.

 

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Utilise Plus Event Report: Business Networking Breakfast in Haywards Heath

The Sustainable Business Partnership CIC welcomed delegates to Mid Sussex District Council on a sunny morning in April for a Business Networking Breakfast. Delegates from a variety of organisations attended the event to hear from experts about trends in sustainability. SBP CIC’s Jack Dale gave a short introduction and an overview of the Utilise Plus […]
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Utilise Plus Case Study: Lighting Up Lingfield

      Lingfield and Dormansland Community Centre, in Tandridge, benefitted from a grant of £1,770 for their LED lighting project which was issued through our Utilise Plus programme. Utilise Plus supports small and medium sized enterprises that are interested in installing energy saving measures on their premises to reduce their energy bills and greenhouse gas […]
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