Best Radiators for Heat Pumps UK
The right radiator choice can mean the difference between running your heat pump at an efficient 35°C flow temperature or an expensive 50°C. Double-panel convectors, fan convectors, and aluminium options each have their place — here is how to choose the right one for every room in your home.
Choosing the right radiators for your heat pump directly affects system efficiency, comfort, and running costs. This guide covers the main options available in the UK and recommends the best type for each room. For the fundamentals, see our pillar guide: do I need new radiators for a heat pump?
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Double-Panel Convectors (Type 22) — The Standard Choice
Type 22 radiators have two water panels and two convector fins, delivering roughly twice the output of a single-panel (Type 11) radiator in the same physical footprint. They are the most common recommendation for heat pump upgrades because they offer high output, wide availability, and reasonable prices (£120-£300 per unit).
Fan Convector Radiators — Maximum Output
Fan convectors use small built-in fans to boost heat output by 2-3 times compared to passive radiators. They are more expensive (£400-£800) but ideal where wall space is limited. The fans are quiet and use minimal electricity. See our dedicated fan convector guide.
Aluminium Radiators — Fast Response
Aluminium radiators heat up faster than steel, have a modern aesthetic, and are lighter. They typically cost £200-£500 per unit. The faster response can be beneficial with heat pump weather compensation systems.
Column Radiators — Period Properties
Column radiators suit period properties aesthetically but deliver moderate output per unit of wall space. Multi-column designs (3 or 4 columns) provide better output. Budget £300-£800 per unit.
| Type | Output/Size | Cost | Best For |
|---|---|---|---|
| Type 22 steel | Good | £120-£300 | Most rooms — standard choice |
| Fan convector | Excellent | £400-£800 | Limited wall space |
| Aluminium | Good | £200-£500 | Fast response, modern look |
| Column (3-4 col) | Moderate | £300-£800 | Period properties |
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Room-by-Room Recommendations
- Living room: Type 22 (large) or fan convector for high heat loss rooms
- Bedrooms: Type 22 usually sufficient — lower target temperature (18°C)
- Kitchen: Often existing radiator is adequate with appliance heat gain
- Bathroom: Towel rail may need supplementing with a wall radiator
- Hallway: Compact Type 22 or fan convector for narrow spaces
Running your heating system on solar-generated electricity means even premium radiator choices pay back faster through lower operating costs.
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Frequently Asked Questions
What is the best radiator type for a heat pump?
Double-panel double-convector (Type 22) radiators are the best all-round choice. High output, widely available, reasonable prices.
Are fan convector radiators worth the extra cost?
Yes, in rooms where wall space is limited. They deliver 2-3x more output and allow a lower flow temperature.
Should I choose aluminium or steel radiators?
Both work well. Aluminium heats up faster but costs more. Steel is the standard choice. See our detailed comparison.
Choosing the best radiators for heat pumps directly affects efficiency and comfort. This connects to radiator assessment, sizing calculations, and running cost optimisation. Pairing optimal radiators with solar panels achieves the lowest possible heating bills.