Low-temperature Heat Conversion to Cooling and Electrical Power

Abstract/Technology Overview

The technology provider has developed a technology that can harness low-grade heat from various sources and convert it into cooling and/or electrical power. Low-grade (temperature) heat is abundantly available from many different sources such as waste heat from industrial processes, geothermal and solar energy. Utilising low-grade waste heat leads to increased energy efficiency and profitability while reducing greenhouse gas emissions.

The existing technologies for harnessing low-grade heat are complex, expensive and cannot utilize very low-temperature heat (less than 100°C) in an effective way. This patented technology converts low-grade heat into cooling and power in a combined system that is compact, less expensive, efficient, effective and easy-to-operate. It utilises an ejector in a unique way such that the system can extract more energy from waste heat streams.

The system can be customised for different operating conditions and different requirements of cooling and power for various industries.

Technology Features, Specifications and Advantages

  • Produces free cooling or electricity from wasted heat
  • Customised solutions are available
  • Very low-temperature heat utilization (>60ºC)
  • Short payback time (4 years or less)
  • Minimal running costs
  • Flexible output (cooling or power or both)
  • Long equipment life (20 years)
  • Possibility for different modes of working together: collaboration, investment, test-bedding etc.

Potential Applications

The technology can be utilised in numerous applications and is highly scalable. 

  • Power Plants
  • Petrochemical Plants
  • Ship/Marine Engines
  • Generator sets
  • Manufacturing facilities
  • Solar thermal energy
  • Geothermal energy
  • Air compressors inter-cooling
  • Combined cooling and power systems
  • District cooling
  • Engines and Turbines
  • Waste heat from various sources
  • Industrial energy efficiency through a green technology

Contact Person

Fahid Riaz



Technology Category
  • Energy
  • Thermal System
  • Waste-to-Energy
  • HVAC - Cooling System
  • Chemical Processes
  • Energy Recovery
Technology Status
  • Licensed but Available
Technology Readiness Level
  • TRL 8

waste heat, energy efficiency, ejector, refrigeration, cooling, power, low temperature