A heat pump uses electricity to move heat from an external source into a building. It can be an option when reviewing a rental home's heating, but suitability and running costs need to be assessed for the actual property rather than assumed from a general comparison.
Begin with a property assessment
Ask a suitably qualified installer to explain the heat-loss assessment and proposed system design. Discuss the existing radiators, hot-water arrangements, available space and any work needed alongside the installation.
The Energy Saving Trust identifies air-source and ground-source systems as common options. The right choice depends on the site and design, not simply the label on the equipment.
Compare complete quotations
Request an itemised quote showing the equipment, associated works, commissioning and handover. Ask what is excluded and which assumptions underpin the estimated running costs. Check the electricity tariff and proposed control settings used in any comparison.
A grant or a projected saving should not be treated as guaranteed. Confirm current eligibility, property requirements and timing directly before committing to work; support differs across UK nations and schemes can change.
Plan around the residents
Agree how the work will be organised and what disruption to heating or hot water is expected. Arrange a clear demonstration of the controls and provide concise written instructions for everyday use.
Make sure the resident knows whom to contact for faults. Keep the commissioning records, warranties and service information with the property file.
Review performance after installation
Compare actual operation with the design assumptions and investigate problems with the installer. Avoid promising a fixed percentage bill reduction: outcomes depend on the building, system, weather, use and energy prices. A successful project needs appropriate design and handover as well as suitable equipment.
Editorial review: 31 October 2026. This original Property Perpetuity guide replaces the imported text; the original archive publication date is retained.