
Our ground thawers have many applications.
Ground thawing
1
Dehumidification
2
Frost protection
3

Flexi Heater Midi
This is the first ground thawing unit that is hybrid-powered, giving you as a customer the option to use 100% clean, fossil-free energy. The MIDI is available in 5 different models, where you can choose between 400-600 meters of hose and operation via diesel, hybrid, or electricity.
Thaws 140-180 m² of ground.
35-105 KW
• Ground thawing
• Frost protection
• Trenches, ditches, or waterways
• Heating of buildings
• Dehumidification of buildings
• Damage restoration
• Concrete curing
Tank capacity: 290 liters / 246 kg
Heat transfer fluid: Propylene glycol
Expansion vessel: 18 liters
Pump capacity: 78 liters / min
Oil hydraulic hose reel: 30 bar
Total hose length: 400/600 meters
Number of hose circuits: 2/3 circuits per 200 meters
Power requirements: 230V, 10A / 2x16A / 2x32A
Diesel generator: 4.3 kW, auto-start / auto-stop
Heating power: 35 kW electric power, 35 kW diesel power. Total 70 kW in hybrid operation / 35 kW electric power, 70 kW diesel power. Total 105 kW in hybrid operation.
Dimensions: 3330 x 1980 / 3610 x 1980 mm
Weight with mats: 1150 / 1450 kg (without diesel)
Total weight: 1400 / 1700 kg (including full tank and mats)
Flexi Heater Mini
A small, mobile, and convenient ground thawing unit for efficient thawing of smaller areas. The machine is compact in size and easily fits in a regular passenger car, making it the perfect choice for smaller tasks.
•Ground thawing
• Frost protection
• Ditches, trenches, or waterways
• Heating of buildings
• Dehumidification of buildings
• Damage restoration
• Concrete curing
• Pump capacity: Up to Hmax (m) 8
• Hose temperature: Up to 90°C
• Thaws: 20-50m² when connecting 3 hose reels = 50m²
• Power connection: 1-phase / 230V 10 Amp. Power 2000W
1-phase / 230V 13 Amp. Power 3000W
3-phase / 400V 16 Amp. Power 8000W• Dimensions: 520 x 486 x 525 mm
• Weight: 63 kg

Thaws 20-50 m² of ground.
2-8 KW
Flexi Heater Universal
A small, mobile, and convenient ground thawing unit for efficient thawing of smaller areas. This is our smallest machine and has been designed with portability in mind.
• Ground thawing
• Frost protection
• Trenches, ditches, or waterways
• Heating of buildings
• Dehumidification of buildings
• Damage restoration
• Concrete curingHeat transfer fluid: Propylene glycol
Pump capacity: Up to Hmax (m) 8
Total hose length: 0
Number of hose circuits: 0, can connect up to 3 on 400V 16A
Hose temperature: Up to 90°C
Heating power: 2-8 kW
Dimensions: 520 x 225 x 525 mm
Total weight: 26 kg

Thaws 20-50 m² of ground.
2-8 KW

Flexi Heater Gravtinare
Our custom-built machine for cemeteries. The machine consists of the Flexi Heater Universal, a specially designed hose, an insulation mat, and a transport trolley.
• Ground thawing
• Frost protection
• Thawing and dehumidification of equipment, machines, feed, etc.Heat transfer fluid: Propylene glycol
Pump capacity: 100 liters / min
Total hose length: 50 meters
Number of hose circuits: 1 circuit, 50 meters
Hose temperature: Up to 90°C
Heating power: 2-8 kW
Dimensions: 520 x 225 x 525 mm
Total weight: 26 kg
Thaws 7.6 m² of ground.
2-8 KW
At Flexi Heater AB, we are well aware of the challenges that winter in Sweden presents to the construction industry with frost, ice and snow in large quantities.
To make working in our harsh climate easier, we have focused on creating user-friendly, efficient and mobile heating plants that take frost, ice and snow out of the equation.
Our great strength is that we own the entire chain from the smallest piece of sheet metal to the finished product, which gives us a great advantage in terms of efficiency, innovation and quality.
Competitive advantages
Why flexi heater?
We have created a wide range of models to meet your specific requirements and needs regarding machines and their technical specifications. Explore and learn more about our various machines below.
Explore our products
Competitive advantages
Why Flexi Heater?
At Flexi Heater AB, we are well aware of the challenges that winter in Sweden presents to the construction and engineering industries, with large amounts of frost, ice, and snow.
To make work easier in our harsh climate, we have focused on creating user-friendly, efficient, and mobile heating systems that remove frost, ice, and snow from the equation.
Our great strength is that we own the entire chain, from the smallest sheet metal part to the finished product, which gives us a significant advantage in terms of efficiency, innovation, and quality.
User-friendly
Reliable
Easy maintenance
Low operating costs
Smart features
Eco-friendly
Low operating costs
User-friendly
Simple service
Reliable
Eco-friendly
Smart features
Contact
Contact details and form
Curing concrete
4
Heating
5
Damage restoration
6