Heating Engineers Aberdeen: Radiators and Systems

One room colder than the rest is the most common complaint in Aberdeen's older homes, and it is often the walls rather than the boiler. Granite holds the cold, and an undersized radiator under a big sash window cannot keep up on a February evening.

A good heating engineer starts by checking the radiator output against the room's heat loss before suggesting anything bigger.

Aberdeen at a glance

Water hardness: Soft. The Drinking Water Quality Regulator says most Scottish tap water is soft. Scottish Water's 2025 results for the Mannofield East zone, which serves central Aberdeen, show a mean conductivity of 106 µS/cm, a low level of dissolved minerals. Source
How homes are heated: 78.4% of Aberdeen City households use mains gas central heating, 9.9% electric and 1.6% a district or communal heat network (1,790 homes). Oil heats 0.6%, about 650 homes. Source
Insulation gaps: Only 44% of walls in Aberdeen City were insulated in 2022 to 2024, one of the lowest rates in Scotland (58% nationally). 12% of dwellings had less than 100mm of loft insulation, against 5% nationally. Source
District heating: Aberdeen Heat & Power, formed in 2002, runs combined heat and power networks built mainly for the city's high-rise social housing. It says it can supply over 2,000 homes and 15 public buildings. Source
Energy ratings: 53% of homes in Aberdeen were rated EPC A, B or C (SAP 2012) in 2022 to 2024, so about 47% were D or below. The Scottish average was 55%. Source

Swapping from electric heating

About one in ten Aberdeen households, 9.9% at the 2022 census, relies on electric central heating such as storage heaters. If your building has a gas supply, a wet system with a boiler is one option. If it does not, a heat pump with radiators may be the better long-term choice, and Home Energy Scotland's grant can help pay for it.

Either way, ask for a heat loss calculation so the radiators are sized for the room, not guessed.

Cleaning and balancing

Cold patches at the bottom of radiators usually mean sludge. A power flush or chemical clean, followed by a magnetic filter, sorts most systems. Cold patches at the top mean trapped air, which you can clear yourself using our guide on how to bleed a radiator.

Once the system is clean, balancing the lockshield valves gets heat evenly to every room, including the ones furthest from the boiler.

Before you call

Write down which rooms are cold, when it happens and whether the boiler pressure has dropped. An engineer can often narrow down the fault from that before they arrive, which keeps the visit shorter.

Heating work by house type

Granite tenement flats

High ceilings and big windows need more radiator output than a modern room. Double-panel radiators with fins, or a second radiator in a bay, are typical upgrades.

Postwar and later suburban semis

Microbore pipework from the 1970s and 1980s blocks easily. If several radiators are lukewarm, ask whether sections need replacing.

Granite villas and larger detached houses

Splitting the house into heating zones with separate thermostats saves heating rooms you rarely use. An engineer can add zone valves to most systems.

Areas covered

Engineers who cover Aberdeen work across areas including Rosemount, Old Aberdeen, Torry, Ferryhill, Cults, Bieldside, Dyce, Bridge of Don, Kincorth and Westhill.

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Questions people in Aberdeen ask

Does soft water mean I do not need inhibitor?

No. Inhibitor protects against corrosion inside the sealed system, which happens whatever the water hardness. Have it checked and topped up at each service.

My flat is on a district heating network. Who fixes it?

The network operator or your landlord looks after the heat supply and the unit in your flat. Contact them before calling an engineer.

Sources

Also nearby: Heating engineers in Dundee, Heating engineers in Edinburgh

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