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Best Plinth Heaters For Kitchens Central Heating of 2026
Last updated on 04/04/2026
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Best Choice
1
9.9
Exceptional
Smiths
Smith`s Space Saver SS5 Central Heating Kitchen Plinth Heater
Why we love it
Efficiency saves cost and space.
Quiet system with powerful output.
Secure with 5-year warranty.
Main Highlights
EFFICIENCY- The great thing about these heaters is that they work off your central heating system so are a very cost effective way to heat your room. They saves space and up to 24% more efficient than panel radiators.
TECHNICAL INFORMATION - Room size guide: 29m3. Heat output: Normal - 1.3kW (4400 BTU); Boost - 1.7kW (5800 BTU). This quiet system (43 dBA on boost) produces a similar sound to your fridge and other common kitchen appliances.
GUARANTEE - UK manufactured, 5 year parts and labour warranty.
WHATS INCLUDED - Flexible hoses included. 15mm flow and return connections, 2.0m mains cable.
CHOICE - Supplied with Brushed Steel grille - 6 other overlay grilles available (in Brown, Chrome, White, Gold, Black, Aluminium).
EASY TO INSTALL - The plinth heater is very easy to install and use. There is no need to switch the unit on and off manually. If you need more heat, you can swtich the fan to boost mode to push more heat into the room. There’s also a manual override switch to disable the fan if you don’t require it.
9.9
Exceptional
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Trusted by 100M+ Users
Why?
Best Value
2
9.7
Exceptional
Smiths
Smiths Hydronic Plinth Heater Space Saver 5 in Stainless Steel Effect
Why we love it
Low noise for quiet operation.
Efficient energy consumption.
Suits large room sizes.
Main Highlights
Max Room Size 37m³
Decibel Level 27-43dB
Energy Consumption 21-30W
Power Supply 3A
15mm Plumbing Connection
9.7
Exceptional
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3
9.5
Superb
Thermix
Thermix KPH-1500 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.5Kw (Anthracite))
Why we love it
Optimal use of kitchen space.
Suitable for large room heating.
Quality assured British craftsmanship.
Main Highlights
Kitchen plinth heater + Anthracite grill for use with central heating systems (1.26kW - 1.45kW).
Fits under a 500mm wide kitchen cabinet
Room Size Guide suitable for up to 27mtr3
British Made Product
9.5
Superb
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4
9.4
Superb
Thermix
Thermix KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (White)
Why we love it
High heat output on demand.
Efficient and robust electrical connection.
Suitable for systems up to 6bar.
Main Highlights
Power supply 230V-50Hz Pipe connection size: 15mm
Electrical Connection via 3A fused spur
Heat output of 1260 watts @ Normal speed and 1450 watts @ Boost speed. (Based on entering water temperature of 70°C)
Max. Operating pressure : 6bar
Pipe connection size: 15mm
9.4
Superb
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5
9.3
Superb
Thermix
KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (Silver)
Why we love it
High power output with options.
Easy electrical connection setup.
Sustains maximum operating pressure.
Main Highlights
Power supply 230V-50Hz Pipe connection size: 15mm
Electrical Connection via 3A fused spur
Heat output of 1260 watts @ Normal speed and 1450 watts @ Boost speed. (Based on entering water temperature of 70°C)
Max. Operating pressure : 6bar
Pipe connection size: 15mm
9.3
Superb
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6
9.2
Superb
Thermix
KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (Black)
Why we love it
Sleek and modern design.
Efficient central heating.
Compact and space-saving.
Main Highlights
KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW Black
Product tpe: SPACE HEATER
Brand: Thermix
Color: White
9.2
Superb
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7
9.1
Superb
Thermix
Thermix KPH-1800 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.8Kw (Brushed Stainless Steel)
Why we love it
Efficient power supply guarantees stability.
High heat output offers warmth.
Supports high operating pressure.
Main Highlights
Power supply 230V-50Hz
Electrical Connection via 3A fused spur
Heat output of 1505 watts @ Normal speed and 1702 watts @ Boost speed.
Max. Operating pressure : 6bar
Pipe connection size: 15mm
9.1
Superb
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8
8.9
Excellent
Thermix
Thermix KPH-1800 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.8Kw (Silver)
Why we love it
High wattage for efficient heating.
Incorporates a secure electrical connection.
Supports a maximum operating pressure.
Main Highlights
Power supply 230V-50Hz
Electrical Connection via 3A fused spur
Heat output of 1505 watts @ Normal speed and 1702 watts @ Boost speed.
Max. Operating pressure : 6bar
Pipe connection size: 15mm
8.9
Excellent
Check Price
9
8.8
Excellent
Thermix
Thermix KPH-1800 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.8Kw (White)
Why we love it
High heat output for warmth.
Suitable for various power supplies.
Optimal operating pressure assured.
Main Highlights
Power supply 230V-50Hz
Electrical Connection via 3A fused spur
Heat output of 1505 watts @ Normal speed and 1702 watts @ Boost speed.
Max. Operating pressure : 6bar
Pipe connection size: 15mm
8.8
Excellent
Check Price
10
8.7
Excellent
Thermix
Thermix KPH-1800 Classic - Kitchen Plinth Heater - Central Heating - Hydronic - 1.8Kw (Black)
Why we love it
High heat output ensures efficiency.
Supports Electrical Connection via spur.
Robust with max operating pressure.
Main Highlights
Power supply 230V-50Hz
Electrical Connection via 3A fused spur
Heat output of 1505 watts @ Normal speed and 1702 watts @ Boost speed.
Max. Operating pressure : 6bar
Pipe connection size: 15mm
8.7
Excellent
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