THERMTANK
Rainwater storage and retention system with integrated geothermal heat recovery for sustainable infrastructure and building projects.
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Rainwater storage and retention system with integrated geothermal heat recovery for sustainable infrastructure and building projects.
Contents
Product Overview
THERMTANK is more than a conventional rainwater storage tank — it combines rainwater retention and geothermal energy in one system, creating synergy effects for builders, planners and local authorities.
The system enables large quantities of rainwater to be collected, stored and retained in a controlled manner. At the heart of the system is the integrated support-pipe profile: it provides the necessary long-term ring stiffness and simultaneously acts as a heat exchanger. A heat-transfer medium circulates through the integrated profile, absorbing thermal energy from the surrounding soil and the stored precipitation and transferring it to a heat pump.
This combination allows the underground storage volume to serve two functions simultaneously: intelligent rainwater management and renewable thermal-energy recovery. THERMTANK is manufactured from durable, recyclable polyethylene (PE) and is ideal for sustainable infrastructure and commercial building projects where resource efficiency and dual use of underground space are required.
Applications
Flood protection
Groundwater recharge
Water storage
Sewer relief
Key Benefits
Rainwater Storage Meets Geothermal Energy
The integrated support-pipe profile provides the required long-term ring stiffness for the underground storage tank. This same profile simultaneously acts as a thermal heat exchanger.
A heat-transfer medium circulates through the integrated system, absorbing thermal energy from both the surrounding ground and the stored rainwater. The recovered thermal energy is then transferred to a heat pump for heating or cooling.
This combination allows the underground storage volume to serve two functions simultaneously: controlled rainwater management and renewable thermal-energy recovery.
THERMTANK System Design
The standard THERMTANK has a storage capacity of approximately 23,400 litres and is designed for the temporary storage and retention of large quantities of rainwater.
In its basic version, the THERMTANK consists of two end modules with domes. Each end module includes:
- A permanently integrated step ladder for safe access
- Two THERMPIPE coiled pipes for heat-exchanger function
Connection pipes can also be equipped with the THERMPIPE system to increase utilisation of the geothermal potential in the surrounding soil, enabling additional geothermal energy recovery.
THERMTANK Standard Variant
The standard THERMTANK configuration provides approximately 23,400 litres of controlled temporary rainwater storage.
Standard THERMTANK
Standard THERMTANK configuration for controlled temporary rainwater storage, combining two end modules with domes, integrated access ladders and THERMPIPE heat-exchanger coils.
Approx. 23,400 L
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