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A hybrid heating system in Aberdeen pairs an air source heat pump with your existing gas, oil, or LPG boiler. The heat pump handles most of the year and the boiler fires on cold days. It suits granite terraces and rural off-grid homes, subject to a survey.
Aberdeen is known for its granite buildings — solid stone construction that retains character but presents challenges for insulation. The city also has a significant number of off-grid homes in surrounding areas that heat with oil or LPG. A hybrid heating system pairs an air source heat pump with the existing boiler, whether gas, oil, or LPG. The heat pump runs for most of the year and the boiler fires on the coldest days, reducing fuel consumption while maintaining reliability.
Last updated: 28 October 2026
A hybrid heating system in Aberdeen pairs an air source heat pump with your existing gas, oil, or LPG boiler. The heat pump handles most of the year and the boiler fires on cold days. It suits granite terraces and rural off-grid homes, subject to a survey.
Aberdeen's granite tenements and terraces in areas like Rosemount, Ferryhill, and the West End have walls 600mm thick with no cavity. Wall insulation is limited to internal or external systems, which many homeowners are reluctant to apply to granite facades. A hybrid system works well here because the boiler can run existing radiators at higher temperatures on cold days. Aberdeen's winter temperatures typically reach -6 to -10 degrees, with cold easterly winds off the North Sea. The bivalent point is usually set around -2 to -5 degrees. In rural areas around Aberdeen — including Westhill, Blackburn, and Kemnay — many homes are off the gas grid and heated by oil or LPG. For these homes, a hybrid system is particularly valuable because oil and LPG cost more per kWh than mains gas, so the heat pump delivers greater running cost reductions. The outdoor unit needs a sheltered location away from the prevailing wind. The heat loss survey measures each room and accounts for the granite walls' high thermal mass.
Yes. Granite has high thermal mass, meaning it stores heat well but loses it slowly. The survey measures actual heat loss through the stone walls and sizes the heat pump accordingly. The boiler handles peak demand on the coldest days.
Yes. Oil costs more per kWh than mains gas, so the heat pump delivers greater savings. The oil boiler remains as backup for cold days. No changes to the oil tank are needed.
The survey recommends a sheltered location away from prevailing easterly winds. A side or rear wall is usually better than a north-facing exposure. The unit is rated for wind and rain.
We cover the city centre, Rosemount, Ferryhill, Westhill, Blackburn, Kemnay, and surrounding areas. The surveyor confirms coverage when you enquire.
Often yes. The boiler runs them at higher temperatures on cold days. The survey checks each room and flags any radiators that need upgrading for the heat pump to work efficiently.
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