250 kW to 40 MW heating Gases
Exhaust Absorption Heat Pump
Gases

Exhaust-Driven Absorption Heat Pump

Efficient waste heat recovery enabling sustainable heating and cooling from engine and turbine exhaust gases

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Exhaust-driven Absorption Heat Pump utilise high-temperature exhaust gases from engines, turbines or furnaces to generate chilled and hot water, enhancing energy efficiency and reducing emissions.

Powered by waste heat and using water-lithium bromide as an eco-friendly refrigerant-absorbent pair, these single and double-effect units offer high reliability and performance with intelligent control systems. Ideal for industries with captive power plants or cogeneration systems, they maximise thermal recovery and support decarbonisation and ESG commitments. Ideal for CHP and industrial exhaust systems, they promote circular energy use and carbon reduction.

Technical data

  • Product capacity/performance range: 250 kW to 40 MW heating capacity
  • Energy source: Exhaust gases (typically 250°C–600°C) from engines, turbines, furnaces
  • Compliance/standards: ISO, ASME, CE, ETL, JIS, ASHRAE
  • Flexibility/customisation options: Customisable to exhaust flow and temperature; modular configurations; remote control compatibility (SCADA)
  • Temperature range: Hot water output: Up to 110°C
  • Operating COP/thermal efficiency: COP up to 2.5 (heating)
  • Process fluid options: Chilled water, hot water, glycol mixtures for HVAC and process needs

Product features

Waste heat driven
Converts exhaust gas heat into usable thermal energy, reducing fuel dependency
Dual output
Simultaneously provides cooling and heating for increased energy utilisation
Green refrigerant
Water and Lithium bromide ensures non-toxic, ozone-safe operation
Compact and modular design
Easily fits into existing industrial layouts, scalable as required
Intelligent controls
Real-time monitoring, adaptive load control and diagnostics
Minimal electricity use
Operates on thermal energy with low auxiliary power needs
Quiet and stable operation
Designed for long-duration service with low noise and mechanical wear
Custom-tailored systems
Engineered to match varying exhaust profiles and plant conditions
Durable construction
Built with corrosion-resistant and high-temperature materials for long service life
AI/ML-driven real-time integration and monitoring
EDGE Live continuously tracks equipment performance, detects anomalies and enables preventive maintenance—reducing downtime and enhancing operational reliability.
250 kW to 40 MW heating Water
Hot Water-Driven Absorption Heat Pump
Water

Hot Water-Driven Absorption Heat Pump

Energy-efficient heating and cooling solution that utilises hot water from renewable or waste heat sources

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The Hot Water-Driven Absorption Heat Pump converts medium-grade heat such as solar thermal, engine jacket heat or industrial waste hot water into efficient heating and cooling. 

Using water-lithium bromide solution, a refrigerant–absorbent pair, it is optimised for high temperature hot water ranging from 140°C to 250°C, supporting decarbonisation with near-zero emissions, low power input and advanced automation. Its modular design and smart controls ensure consistent performance, lower emissions and reduced costs, making it ideal for energy recovery in buildings and industries aiming for LEED, GRIHA and net-zero goals.

Technical data

  • Product capacity/performance range: 250 kW to 40 MW heating capacity
  • Energy source: Hot water from medium-grade heat sources such as solar thermal systems, engine jacket heat, or process waste heat (typically 60°C to 110°C)
  • Compliance/standards: ISO, ASME, CE, ETL, JIS, ASHRAE
  • Flexibility/customisation options: Customisable based on inlet hot water temperature, heating/cooling demand, and application type; available in single-effect/double-effect design for optimal performance at low driving temperatures
  • Temperature range: Hot water output: 100 to 250°C
  • Operating COP/thermal efficiency: Heating COP up to 2.5
  • Process fluid options: Compatible with water and glycol mixtures for both heating and cooling loops

Product features

Dual functionality
Offers both process heating and cooling from a single system
Thermally driven
Uses medium-grade hot water as the primary energy source
Eco-friendly refrigerant
Water-Lithium bromide based solution with zero ozone depletion potential
Modular construction
Flexible for space-saving installations and scalable capacities
Smart controls
Automated operation with real-time diagnostics and performance tracking
Minimal electricity use
Designed for ultra-low electrical consumption
Silent operation
Virtually noiseless, ideal for indoor or noise-sensitive environments
Customisable design
Tailored to meet project-specific heat source and output requirements
Built to last
Rugged construction for continuous industrial or commercial use
AI/ML-driven real-time integration and monitoring
EDGE Live continuously tracks equipment performance, detects anomalies and enables preventive maintenance—reducing downtime and enhancing operational reliability.
250 kW to 40 MW heating Steam
Steam-Driven Absorption Heat Pump
Steam

Steam-Driven Absorption Heat Pump

Thermally driven system that delivers efficient heating and cooling by utilising medium or low-pressure steam as energy source

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Steam-driven Absorption Heat Pumps use low to medium-pressure steam and water-lithium bromide solution as a refrigerant-absorbent pair to deliver cost-effective, energy-efficient heating and cooling with minimal electrical input.

Available in single, double and triple effect models, they feature intelligent controls for optimal energy use, reliable operation and compliance with global green standards. Ideal for industries with steam availability, such as refineries, textiles, process plants and CHP systems, they reduce emissions, cut operating costs and turn waste steam into productive energy, supporting decarbonisation and enhanced thermal energy recovery.

Technical data

  • Product capacity/performance range: 25 kW to 40 MW heating capacity
  • Energy source: Medium to low pressure steam (typically 2.0 to 10 Bar.g) from boilers, turbines or process systems
  • Compliance/standards: ISO, ASME, CE, ETL, JIS, ASHRAE
  • Flexibility/customisation options: Available in single effect or double effect configurations; tailored to steam pressure and flow; modular for phased capacity expansion; compatible with SCADA systems for control and monitoring
  • Temperature range: Hot water output: Up to 110°C
  • Operating COP/thermal efficiency: Heating COP up to 1.8 (single effect); up to 2.5 (double effect), depending on steam pressure
  • Process fluid options: Compatible with water and glycol/water mixtures for chilled and hot water loops

Product features

Dual functionality
Enables both process heating and comfort cooling from one unit
Steam driven
Uses available steam, reducing the need for separate heating systems
Eco-friendly refrigerant
Water and Lithium bromide solution ensures zero ozone impact and non-toxic operation
Modular design
Fits within tight spaces and scalable for future expansion
Smart control system
Allows real-time monitoring, automatic load control and fault diagnostics
Low power consumption
Operates with minimal electricity, ideal for reducing peak loads
Silent and reliable
Designed for stable performance with minimal noise and mechanical wear
Custom engineered
Configurable for different capacities, pressures and process integration
Long life
Built with robust components for sustained industrial performance
AI/ML-driven real-time integration and monitoring
EDGE Live continuously tracks equipment performance, detects anomalies and enables preventive maintenance—reducing downtime and enhancing operational reliability.
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Registered Office Address

D-13, MIDC Industrial Area,
R. D. Aga Road, Chinchwad,
Pune 411019, Maharashtra, India

Corporate Office Address

Thermax Limited
Thermax House,
14 Mumbai-Pune Road, Wakdewadi,
Pune 411003, Maharashtra, India

Corporate Identity Number

L29299PN1980PLC022787

Toll Free Number

1800-209-0115

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