Can You Mix Radiators and Underfloor Heating?
Yes — and it is one of the most popular heat pump configurations in the UK. Ground floor underfloor heating at 30°C combined with upstairs radiators at 45°C gives you the best of both worlds: maximum efficiency downstairs and practical simplicity upstairs.
For individual comparisons, see UFH vs radiators. Pillar: radiators for heat pumps.
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How Mixed Systems Work
The heat pump supplies water at the radiator temperature (e.g. 45°C). A thermostatic mixing valve blends return water to reduce the temperature for the UFH circuit (e.g. 30°C). Each circuit has independent zone controls.
Common Layouts
| Layout | UFH Areas | Radiator Areas |
|---|---|---|
| Most popular | Ground floor | First floor |
| Extension focused | Extension only | Rest of house |
| Wet room focused | Kitchen + bathroom | All other rooms |
Costs
Combining mixed heating with solar panels achieves the lowest possible heating costs.
Frequently Asked Questions
Can you run UFH and radiators from the same heat pump?
Yes. A mixing valve supplies different temperatures to each circuit.
What is the most common layout?
Ground floor UFH with upstairs radiators.
Mixed UFH and radiator systems are a popular and efficient heat pump configuration. Connects to emitter choices, UFH design, and installation costs. Solar panels further reduce running costs.