10 Best Sauna Heaters- Oct 2025, UK

1212 reviews analysed
Rank Product Name Score
Image 1st No Image Electric Sauna Heater — Spa Heater with Heat Rocks — Built-In Thermostatic Control — Heats...
By Finnex
124 Reviews

Product Highlights

  • DURABLE HEATING ELEMENTS: Our heater utilize nickel elements to stave off wear and tear, and produce a longer heat quickly, saving you overall cost.
  • COMPACT SPA HEATER: Our sauna heater is compact, easy to install and featuring a manual controller that allows you to quickly control the heat of your sauna room.
  • PERSONAL OR COMMERCIAL USE: The Finnex Sauna Heater is great for personal sauna rooms, spa treatment facilities, and even exercise gyms.
  • SAFETY CUT-OUT FEATURE:Our heater Incorporates built-in thermostatic control,safety cut-out and on/off timer,preventing you leaving the heater permanently and allowing you to enjoy your stress relieving sauna.
  • PREMIUM WARRANTY: Each of our sauna units comes complete with a 1-year warranty when used domestically and 2-month warranty when used commercially.
9.7 SCORE Check Price
Image 2nd No Image Narvi NM Electric Sauna Heater (4.5kW, Black)
By Narvi
124 Reviews

Product Highlights

  • Electric Sauna Heater with large stone capacity designed to have water poured over it.
  • Compatible with single phase (British) and 3 Phase power supplies - Easy to install
  • Outstanding build quality and material grades
  • Made in Finland STONES AVAILABLE SEPERATELY
  • 8.5mm heating element - Market leading thickness, durability and longevity!
8.9 SCORE Check Price
Image 3rd No Image HARVIA CILINDRO PC CHROME - 6,8 kW, Control unit: Built-in
By Harvia
124 Reviews

Product Highlights

  • Cilindro has an apertured outer casing made of stainless steel. | You can adjust the nature of the heat from soft to sharp by throwing water either to the side of the heater or straight on top of the stone pillar. | Cilindro H has a partially apertured outer casing in the front, which offers the sauna bather the benefits of a large stone amount, but also enables the heater to be located in smaller space. | Cilindro F has a solid outer casing. | The casing decreases the safety distance re
  • Cilindro F offers sharper sauna bath compared to the softer sauna bath provided by the other two Cilindro models. | In Cilindro H and Cilindro F the stone space is made of stainless steel and outer casing is made of black painted, zinked steel. | The heaters are equipped with a built-in control unit and the operating switches are placed down on the heater’s front side. | Cilindro models PC70E and PC90E are controlled by a separate control unit (for example Griffin or C150). | The E-model
  • Output: 6,8 kW | Control unit: Built-in | Sauna room min: 6 m³ | Sauna room max: 10 m³ | Sauna room height min: 190 mm
  • Width: 320 mm | Height: 930 mm | Depth: 320 mm | Weight: 10 kg
  • Stone capacity max,: 80 kg | Supply voltage, phase: 400 V 3N~ / 230 V 1N~ | Connection cable: 5 x 1,5 mm2 / 3 x 6 mm2 | Fuse: 3 x 10 A / 1 x 35 A
9.0 SCORE Check Price
Image 4th No Image SAWO Scandia 9,0 kW Electric Sauna Heater; with Built-in Control Unit (NB Model); Multi-Vo...
By Sawo
124 Reviews

Product Highlights

  • FINNISH TECHNOLOGY AND MATERIALS OF TOP QUALITY: Outer casing of heater is made from robust stainless steel which gives your sauna a modern look, while inner parts are made of aluzinc which prolongs the life of the heater.
  • MULTI VOLTAGE HEATER: Either 230V single-phase (Fuse: 1x40A ) or 400V 3-phase (Fuse: 3x16A ) installation.
  • ERGONOMIC AND SAFE CONTROL UNIT: Built-in control block can be transferred the right side or to the left side, which allows to choose the most comfortable side to control the heater. Timer has an operating time from 1 to 4 hours and time preset function (1-8 hours). Thermostat support automatically chosen temperature. The knobs are illuminated which helps to control the heater in the darker places.
  • TECHNICAL DETAILS FOR 9,0 kW: Dimensions (HxWxD): 520x515x290mm / Weight 11kg / Installation type: wall-mounted (mounting rack included) / Stone chamber max: 22kg (stones Ø 5-10 cm) / Sauna room size 8 - 14 m³; Minimum safety distances (ceiling/sides): 1200/100 mm
  • WARRANTY: For home use: 2 years for heater. For commercial: 1 year for heater. Sauna stones and silicone connection cables are not included in the scope of delivery.
9.1 SCORE Check Price
5th No Image HARVIA VEGA COMPACT - 3,5 kW, Control unit: Built-in
By Harvia
124 Reviews

Product Highlights

  • Harvia Vega Compact is a powerful package for a small sauna. | Vega Compact is easy to use, because the operating switches are placed ergonomically in the upper part of the heater. | The heater can be mounted very low on the sauna wall so it provides heat for the lower benches as well. | Stones are not included
  • Vega Compact is easy to install. | Just mount the rack to the wall, lift the heater to the mounting rack and fix it on to it with one screw. | The heater is made of stainless steel. | Vega Compact is available in models BC23 and BC35 which are equipped with a built-in control unit. | Models BC23E and BC35E are controlled by a separate control unit.
  • Output: 3,5 kW | Control unit: Built-in | Sauna room min: 2 m³ | Sauna room max: 4,5 m³
  • Width: 280 mm | Height: 505 mm | Depth: 295 mm | Stone capacity max,: 12 kg
  • Supply voltage, phase: 400 V 2N~ / 230 V 1N~ | Connection cable: 4 x 1,5 mm2 / 3 x 2,5 mm2 | Weight: 7 kg | Minimum safety distances (ceiling / sides): 900 mm / 20 mm
9.2 SCORE Check Price
6th No Image SAUNA HEATER HARVIA GLOBE, BENCH PROTECTION
By Harvia
124 Reviews

Product Highlights

  • Bench protection glass for Harvia Globe, HGL 8
  • For the Harvia Globe stoves GL70 (Ø 430 mm) and GL110 (Ø 500 mm) or for E models GL70E and GL110E
9.3 SCORE Check Price
7th No Image sauna heater Nordex 6 kw with integrated control
By Nordex
124 Reviews

Product Highlights

  • Power (kW): 6
  • Dimensions (mm): 410 x 300 x 500
  • Weight (kg): 10
  • Sauna room (m³): 5 - 9
  • delivery include: sauna heater user´s manuell fitting material
9.4 SCORE Check Price
8th No Image MosaicAL 9KW Electric Wet&Dry Sauna Heater Sauna Heater Stove Internal Control Built-in Sa...
By MosaicAL
124 Reviews

Product Highlights

  • 9KW sauna heater with internal controller, easy connection with 380-415V support
  • Excellent 430 stainless steel housing, corrosion resistant and durable
  • Highly efficient: 316 stainless steel heating coil for fast energy and heat savings
  • Good dry sauna stove, easy to install and use, wall design, good heat dissipation function
  • You can easily adjust the temperature and the warm-up time, etc.
9.5 SCORE Check Price
9th No Image Sauna Heater Nordex 6 kw for external control
By Nordex
124 Reviews

Product Highlights

  • Power (kw): 6
  • Dimensions (mm): 410 x 300 x 500
  • Weight (kg): 10
  • Sauna (M³): 5 – 9
  • Contents: · Heating · manual · Mounting Hardware
9.6 SCORE Check Price
10th No Image HARVIA VEGA - 6,0 kW, Control unit: Built-in
By Harvia
124 Reviews

Product Highlights

  • A basic heater of top class. | Harvia Vega is an elegant heater that is easy-to-use. | The stainless steel outer casing of the heater gives your sauna a modern look. | The operating switches are placed ergonomically in the upper part, on the side of the heater, which provides easy operating.
  • Vega is easy to mount on a separate mounting rack. | Because of the symmetrical design, there is no need to change the handedness of the heater - it is simply selected. | Electrical connections are made from the side of the heater, which makes installation easy. | Vega's structure makes it possible to mount the heater low on the sauna wall. | This allows the heat to spread evenly throughout the sauna, ensuring that the lower benches also enjoy plenty of heat. | The Vega models BC45, BC
  • Output: 6,0 kW | Control unit: Built-in | Sauna room min: 5 m³ | Sauna room max: 8 m³ | Sauna room height min: 190 mm
  • Width: 480 mm | Height: 540 mm | Depth: 310 mm | Stone capacity max,: 25 kg | Supply voltage, phase: 400 V 3N~ / 230 V 1N~
  • Connection cable: 5 x 1,5 mm2 / 3 x 6 mm2 | Fuse: 3 x 10 A / 1 x 35 A | Weight: 11 kg | Minimum safety distances (ceiling / sides): 1100 mm / 50 mm
8.8 SCORE Check Price
  •  

    1st 1st
    Image

    Product Highlights

    • DURABLE HEATING ELEMENTS: Our heater utilize nickel elements to stave off wear and tear, and produce a longer heat quickly, saving you overall cost.
    • COMPACT SPA HEATER: Our sauna heater is compact, easy to install and featuring a manual controller that allows you to quickly control the heat of your sauna room.
    • PERSONAL OR COMMERCIAL USE: The Finnex Sauna Heater is great for personal sauna rooms, spa treatment facilities, and even exercise gyms.
    • SAFETY CUT-OUT FEATURE:Our heater Incorporates built-in thermostatic control,safety cut-out and on/off timer,preventing you leaving the heater permanently and allowing you to enjoy your stress relieving sauna.
    • PREMIUM WARRANTY: Each of our sauna units comes complete with a 1-year warranty when used domestically and 2-month warranty when used commercially.
  •  

    1st 2nd
    Image

    Product Highlights

    • Electric Sauna Heater with large stone capacity designed to have water poured over it.
    • Compatible with single phase (British) and 3 Phase power supplies - Easy to install
    • Outstanding build quality and material grades
    • Made in Finland STONES AVAILABLE SEPERATELY
    • 8.5mm heating element - Market leading thickness, durability and longevity!
  •  

    1st 3rd
    Image

    Product Highlights

    • Cilindro has an apertured outer casing made of stainless steel. | You can adjust the nature of the heat from soft to sharp by throwing water either to the side of the heater or straight on top of the stone pillar. | Cilindro H has a partially apertured outer casing in the front, which offers the sauna bather the benefits of a large stone amount, but also enables the heater to be located in smaller space. | Cilindro F has a solid outer casing. | The casing decreases the safety distance re
    • Cilindro F offers sharper sauna bath compared to the softer sauna bath provided by the other two Cilindro models. | In Cilindro H and Cilindro F the stone space is made of stainless steel and outer casing is made of black painted, zinked steel. | The heaters are equipped with a built-in control unit and the operating switches are placed down on the heater’s front side. | Cilindro models PC70E and PC90E are controlled by a separate control unit (for example Griffin or C150). | The E-model
    • Output: 6,8 kW | Control unit: Built-in | Sauna room min: 6 m³ | Sauna room max: 10 m³ | Sauna room height min: 190 mm
    • Width: 320 mm | Height: 930 mm | Depth: 320 mm | Weight: 10 kg
    • Stone capacity max,: 80 kg | Supply voltage, phase: 400 V 3N~ / 230 V 1N~ | Connection cable: 5 x 1,5 mm2 / 3 x 6 mm2 | Fuse: 3 x 10 A / 1 x 35 A
  •  

    1st 4th
    Image

    Product Highlights

    • FINNISH TECHNOLOGY AND MATERIALS OF TOP QUALITY: Outer casing of heater is made from robust stainless steel which gives your sauna a modern look, while inner parts are made of aluzinc which prolongs the life of the heater.
    • MULTI VOLTAGE HEATER: Either 230V single-phase (Fuse: 1x40A ) or 400V 3-phase (Fuse: 3x16A ) installation.
    • ERGONOMIC AND SAFE CONTROL UNIT: Built-in control block can be transferred the right side or to the left side, which allows to choose the most comfortable side to control the heater. Timer has an operating time from 1 to 4 hours and time preset function (1-8 hours). Thermostat support automatically chosen temperature. The knobs are illuminated which helps to control the heater in the darker places.
    • TECHNICAL DETAILS FOR 9,0 kW: Dimensions (HxWxD): 520x515x290mm / Weight 11kg / Installation type: wall-mounted (mounting rack included) / Stone chamber max: 22kg (stones Ø 5-10 cm) / Sauna room size 8 - 14 m³; Minimum safety distances (ceiling/sides): 1200/100 mm
    • WARRANTY: For home use: 2 years for heater. For commercial: 1 year for heater. Sauna stones and silicone connection cables are not included in the scope of delivery.
  •  

    5th
    Image

    Product Highlights

    • Harvia Vega Compact is a powerful package for a small sauna. | Vega Compact is easy to use, because the operating switches are placed ergonomically in the upper part of the heater. | The heater can be mounted very low on the sauna wall so it provides heat for the lower benches as well. | Stones are not included
    • Vega Compact is easy to install. | Just mount the rack to the wall, lift the heater to the mounting rack and fix it on to it with one screw. | The heater is made of stainless steel. | Vega Compact is available in models BC23 and BC35 which are equipped with a built-in control unit. | Models BC23E and BC35E are controlled by a separate control unit.
    • Output: 3,5 kW | Control unit: Built-in | Sauna room min: 2 m³ | Sauna room max: 4,5 m³
    • Width: 280 mm | Height: 505 mm | Depth: 295 mm | Stone capacity max,: 12 kg
    • Supply voltage, phase: 400 V 2N~ / 230 V 1N~ | Connection cable: 4 x 1,5 mm2 / 3 x 2,5 mm2 | Weight: 7 kg | Minimum safety distances (ceiling / sides): 900 mm / 20 mm
  •  

    6th
    Image

    Product Highlights

    • Bench protection glass for Harvia Globe, HGL 8
    • For the Harvia Globe stoves GL70 (Ø 430 mm) and GL110 (Ø 500 mm) or for E models GL70E and GL110E
  •  

    7th
    Image

    Product Highlights

    • Power (kW): 6
    • Dimensions (mm): 410 x 300 x 500
    • Weight (kg): 10
    • Sauna room (m³): 5 - 9
    • delivery include: sauna heater user´s manuell fitting material
  •  

    8th
    Image

    Product Highlights

    • 9KW sauna heater with internal controller, easy connection with 380-415V support
    • Excellent 430 stainless steel housing, corrosion resistant and durable
    • Highly efficient: 316 stainless steel heating coil for fast energy and heat savings
    • Good dry sauna stove, easy to install and use, wall design, good heat dissipation function
    • You can easily adjust the temperature and the warm-up time, etc.
  •  

    9th
    Image

    Product Highlights

    • Power (kw): 6
    • Dimensions (mm): 410 x 300 x 500
    • Weight (kg): 10
    • Sauna (M³): 5 – 9
    • Contents: · Heating · manual · Mounting Hardware
  •  

    10th
    Image

    Product Highlights

    • A basic heater of top class. | Harvia Vega is an elegant heater that is easy-to-use. | The stainless steel outer casing of the heater gives your sauna a modern look. | The operating switches are placed ergonomically in the upper part, on the side of the heater, which provides easy operating.
    • Vega is easy to mount on a separate mounting rack. | Because of the symmetrical design, there is no need to change the handedness of the heater - it is simply selected. | Electrical connections are made from the side of the heater, which makes installation easy. | Vega's structure makes it possible to mount the heater low on the sauna wall. | This allows the heat to spread evenly throughout the sauna, ensuring that the lower benches also enjoy plenty of heat. | The Vega models BC45, BC
    • Output: 6,0 kW | Control unit: Built-in | Sauna room min: 5 m³ | Sauna room max: 8 m³ | Sauna room height min: 190 mm
    • Width: 480 mm | Height: 540 mm | Depth: 310 mm | Stone capacity max,: 25 kg | Supply voltage, phase: 400 V 3N~ / 230 V 1N~
    • Connection cable: 5 x 1,5 mm2 / 3 x 6 mm2 | Fuse: 3 x 10 A / 1 x 35 A | Weight: 11 kg | Minimum safety distances (ceiling / sides): 1100 mm / 50 mm

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