Heat pump running costs and what affects them
Updated: Oct 21
If your heat pump electricity bill is higher than expected, start by finding out what has changed. A colder month, a different tariff or more hot water use can all affect the bill. The system's setup and condition matter too.
Thermal and Flow offers heat pump servicing and diagnostic visits. We can discuss concerns about your heating and the information needed to investigate them.
Compare the right information
Look at electricity used in kilowatt hours as well as the amount paid. A price rise can increase your bill even when consumption stays similar. If possible, distinguish heat pump use from the rest of the property and compare periods with similar weather and occupancy.
Keep a note of when the problem started. Tell the engineer about recent changes to the controls, heating schedule, tariff or household routine. Those details can be more useful than a single bill total.
Review how the system is controlled
Heat pumps often work well with longer, steadier heating periods and a suitable flow temperature. Flow temperature is the temperature of the water sent to the radiators or underfloor heating. The appropriate setting depends on the system and the building.
Weather compensation adjusts heating water temperature in response to outdoor conditions. Where fitted, its settings need to suit the property. Ask for advice before making large changes, and leave hot water hygiene settings to a competent engineer.
Check the wider heating system
Rooms that struggle to warm up may need investigation of radiator output, circulation or controls. Repeated faults, frequent use of backup heating or a sudden change in performance are also useful details to report. Simply turning everything higher may leave the underlying issue unresolved.
Get help with a performance concern
Send Thermal and Flow your postcode, heat pump make and model, and a description of what you have noticed. Include available consumption records and fault messages. We can discuss whether servicing, a diagnostic visit or a more detailed system review is the sensible next step.
Further information
Thermal and Flow · Part of Forward Group of Companies
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