Case Study

Dunfermline home makes the switch from oil to a heat pump

Dunfermline home makes the switch from oil to a heat pump
Credit: Greener Energy Group
Happy homeowners pleased with their new Grant renewable heating system

A Grant Aerona³ air source heat pump has been installed at a cottage in Fife, transforming the home’s heating from an oil-fired system to a renewable alternative. The homeowners are now enjoying a warm home while also lowering their carbon footprint.

Earlier this year, a three-bedroom cottage located in the countryside in Dumfermline, Fife, made the transition from a traditional, fossil fuel heating system to renewables. The property was previously heated by an oil boiler which was still operating successfully but the homeowners had concerns about the oil tank and the risk of it either leaking or causing a spill. The remote situation of the house meant that swapping to a gas boiler was not possible due to no supply. Another viable solution was needed and with the property owners interested in heating their home in a more eco-friendly way, attention soon turned to an air source heat pump.

The homeowners approached Greener Energy Group Ltd, a G1 Installer based in Paisley near Glasgow, to discuss whether a heat pump would be suitable for their home. Greener Energy carried out an initial visit followed by a technical survey to fully assess the cottage, its heating requirements and to specify the appropriate sized heat pump model. The EPC showed that the home was well insulated with no additional energy efficiency measures required prior to installation. A Grant Aerona³ 10kW air source heat pump was selected alongside a 250ltr cylinder with integrated buffer tank and eight new radiators which completed the system.

The Aerona³ 10kW inverter driven air source heat pump is highly efficient and uses the more environmentally friendly R32 refrigerant. At 822mm in height and with a depth of just 405mm, this heat pump unit is compact in size with a small footprint which can make siting the appliance easier when outdoor space is limited. With its factory fitted HE circulating pump, flexi hoses, isolation valves, remote controller and cable and interface relay box all supplied as standard, the Aerona³ delivers value as well as exceptional performances.

“Grant heat pumps are very easy to work with,” comments Martin Lobjoie, one of the engineers at Greener Energy Group Ltd. “The Aerona³ is mechanically sound and reliable and Grant as a manufacturer is easy to deal with, providing good quality engineer support which is both informative and helpful.”

The homeowners are very pleased with their new renewable, sustainable heating system. Not only will they see their fuel bills decrease but they also have the peace of mind of a 7 year guarantee that their new Aerona³ heat pump has as result of being installed by a G1 Installer. “From the initial visit, technical survey and office contact prior to installation, Greener Energy Group Ltd were excellent,” writes the homeowner. “Everything was made clear and the installation itself went very smoothly.”

This case study showcases how an existing property has been able to change its heating system from being fossil-fuel reliant to being fueled by renewable energy. The Aerona³ heat pump has allowed the cottage to go green with its home heating, helping the homeowners to significantly reduce their carbon footprint while also enjoying the other benefits renewable energy can deliver.

To read more about air source heat pumps from Grant UK, please visit

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