Ground-source probe

Geothermal energy with RAUGEO

Geothermal energy with RAUGEO from REHAU

 

Ground-source probe

Geothermal energy with RAUGEO

RAUGEO geothermal heat probe High efficiency and low operating costs

 

Heating from a geothermal energy source, independent of raw material prices, political developments and crises – and environmentally friendly too. The geothermal probe utilises geothermal energy either from the surface or from the depths. Generating energy, geothermal collectors gather heat from the upper layers of the earth, or probes utilise geothermal energy from a depth of around 300 metres. The low operating costs and high efficiency make geothermal energy an attractive solution – in the private sector in combination with panel heating systems, and in commercial buildings as an energy source for concrete core tempering.

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Benefits

 

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Energy source

Geothermal energy is a renewable energy source harnessed from the Earth's natural heat.

 

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Carbon footprint

Geothermal energy offers one of the lowest levels of carbon emissions.

 

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Energy efficiency

75 % energy saving (depending on the seasonal energy efficiency ratio)

 

Our geothermal probe systems

 

Geothermal heating: schematic representation of a house with a geothermal probe

Geothermal probe

Geothermal heating: schematic representation of a house with a geothermal collector

Geothermal collector

Geothermal heating: schematic representation of a house with a geothermal pile

Geothermal pile

Products

Geothermal energy with RAUGEO from REHAU

 

 

 

RAUGEO PE-Xa green geothermal probes

Resilient

Installed at a depth of 300 metres, RAUGEO PE-Xa green effectively uses the constant temperatures of the deeper ground to generate energy. The big plus: its rough outer layer, in combination with our backfill material, ensures a system tightness that conventional geothermal systems do not offer.
 

Areas of application for RAUGEO PE-Xa green

  • Heating and cooling in conjunction with a heat pump
  • Free cooling, i.e. passive cooling of living spaces
  • Keeps outdoor facilities free from ice, e.g. via bridge or ramp heating
  • Heat storage in the ground in combination with solar thermal energy or other energy sources
  • Ideal for combining with radiant heating and cooling systems or concrete core tempering

 

Benefits of RAUGEO PE-Xa green

  • The probe system meets the highest safety requirements
  • Minimal water conductivity for optimal thermal efficiency
  • 10-year guarantee (see RAUGEO PE-Xa guarantee certificate, print no. 827510)
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RAUGEO geothermal pile

Foundation pile with dual use

Geothermal or energy piles fulfil a dual function in modern building construction: they are used as bored piles in poorly load-bearing subsoil for building foundations and later serve as energy piles with integrated collector pipes for the use of near-surface geothermal energy. Thanks to their highly resistant material properties and particularly small bending radius, RAUGEO Helix XXL PE-Xa pipes are perfect for use in energy piles.

Areas of application

  • Covering the energy base load thanks to the energy activation of foundation piles, which are required anyway
  • Heating and cooling in conjunction with a free-cooling heat pump, i.e. passive cooling of living spaces
  • Ideal for combining with radiant heating and cooling systems or concrete core tempering

Benefits

  • Up to 50% faster installation thanks to telescopic technology
  • Up to 10% increased withdrawal capacity
  • Optimised pipe bend
  • No seams – no weak points

Useful information

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Support

Ask us

We can help you with questions about products and system solutions.

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Planning support

Planning service and software

We support you with preliminary planning, design and implementation planning.

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News

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26.08.2026 Next Level Heat Networks - Glasgow event

Join industry leaders, local authorities, developers and consultants in Glasgow to discuss innovation, regulation and future opportunities across Scotland's growing heat network sector at the Next level Heat Networks event in September. 

2026 UKDEA team - supplier - 100111221
15.07.2026 REHAU takes home UK District Energy Association - Supplier of the Year

REHAU has been named Supplier of the Year at the UKDEA Heat Networks Expo, recognising our commitment to innovation, technical excellence and outstanding customer support across the UK heat network sector.

20268 REHAU_Next Level Service_DH Concept 1 - 100110247
13.07.2026 Enhancing Service With New District Heating Software

REHAU has launched an advanced district heating design support package, supporting ESCOs and consultants with hydraulic modelling, pipe sizing, material selection and TS1-compliant heat network design. 

Engineering progress

Enhancing lives

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