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Product overview of both the Flexi Heater Midi 400 and Flexi Heater Mini, illustrating their different sizes and applications in heating solutions.
Cover image showcasing the Flexi Heater Mini and MIDI 400 models, efficient and portable solutions for frost removal and heat
Overview image of the Flexi Heater MIDI 400/600 and MiniComplete models, providing efficient frost removal and heating soluti
verview image of the Flexi Heater MiniComplete, a compact and efficient frost removal system for smaller areas in constructio

Flexible ground thawing units for all purposes

Efficient, easy, and reliable regardless of the weather.

Our ground thawers have many applications.

Ground thawing

1

Dehumidification

2

Frost protection

3

Flexi Heater MIDI 400, a powerful and compact frost remover with 400 meters of hose, ideal for efficient thawing and heating

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

Compact and portable Flexi Heater Mini for efficient thawing and heating of smaller areas in construction and industrial appl

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 curing

  • Heat 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

Versatile and reliable Flexi Heater Universal for efficient frost removal, heating, and thawing in various construction and i

Thaws 20-50 m² of ground.

2-8 KW

Specialized Flexi Heater cemetery frost remover for efficient thawing and frost protection in cemetery and burial site applic

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

Flexible hose reel for efficient storage and deployment of hoses in mobile heating and thawing applications.

Hose reel

Hose reel with 50 meters of glycol-filled hose and spill-free quick couplings.

Energy-efficient air heater for quick heating and frost protection in construction and industrial settings.

Air heater

The air heater has three different speeds, and the power output is approximately 35-40 kilowatts.

Durable hand truck for easy transportation of equipment and materials on construction sites.

Transport trolley

Our transport trolley makes it easy to move and transport machines.

Custom-made glycol for efficient temperature control and frost protection in industrial and construction applications.

Glycol fluid

The glycol fluid we sell is specially adapted for our machines.

High-quality Flexi Heater insulation mats designed for efficient heat retention and frost protection in mobile heating system

Isolermattor

Värmereflekterande isoleringsmattor med hög kvalitet och slitstyrka.

Bright and reliable signal lamp for safety and visibility in construction and industrial environments.

Indicator light

Indicator light with a magnetic base that shows when the machine is in operation. Fits Midi models manufactured from 2024/25.

Strong and durable lifting slings for safe and efficient handling of heavy equipment in construction and industrial settings.

Lifting eyes

Lifting eyes that make it easier to move the Midi models. Can be easily retrofitted.

Sturdy fork pockets designed for easy handling and transportation of equipment and materials with forklifts.

Fork pockets

Fork pockets that make it easier to move the MIDI models. Can be easily retrofitted.

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

On call number

When you need urgent support, we are here to help  24/7, every day of the week.

Phone: 0941-567 26

Around the clock, every day.

Portrait of technician Selma Axberg, a skilled professional at Flexi Heater AB, specializing in mobile heating and frost remo

Sales

For cases concerning all types of sales of machinery and accessories

Phone: 0941-56722

Monday - Friday 08:00-17:00

Robert Ohlsson, CEO of Flexi Heater AB, leading the company with innovative solutions for frost removal and heating in the co

Support

You are welcome to contact us here for any type of support issue.

Phone: 0941-56725

Monday - Friday 06:30-16:00

Portrait of site manager Martin Scherdin, a dedicated leader at Flexi Heater AB, overseeing efficient operations and solution

Swichboard

Not sure who to contact? Our switchboard will help you reach the right person. 

Phone:  0941-56711

Monday - Friday 06:30-16:00

Thumbnail image of the Flexi Heater logo, representing a leading brand in mobile heating and frost removal solutions.
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