Industrial ammonia heat pump for efficient heating solutions
Need reliable and efficient heating capabilities while minimizing environmental impact? This ammonia-based solution optimizes energy use for industrial processes, offering precise temperature control and heat recovery to enhance your operational efficiency.

Transfers and Recovers Heat for Industrial Applications
The GEA RedAstrum Ammonia Screw Compressor Heat Pump is engineered by GEA to efficiently manage heat transfer and recovery in industrial settings. It features a modular design that incorporates a high-pressure screw compressor package and advanced heat exchanger technology. Suitable for numerous applications such as facility heating and district heating, it can deliver heating capacities ranging from 750 to 2,900 kW, depending on specific needs. The system utilizes ammonia (R717) as a natural refrigerant, ensuring compliance with F-gas regulations for reduced environmental impact. Designed for seamless integration into existing processes, the RedAstrum offers stepless capacity control and a compact footprint, making it an optimal choice for industries like food, beverage, and pharmaceuticals. Its robust construction supports various plate materials and includes a fully welded shell for enhanced durability. With a focus on energy efficiency, this heat pump maximizes performance by offering supply temperatures up to 80°C and supporting waste heat recovery with minimal energy consumption. Maintenance is simplified by an all-inclusive piping and wiring setup, ensuring it’s ready for immediate connection and use.
Benefits
- Enhances energy efficiency through ammonia-based heat recovery.
- Adapts to various industrial needs with customizable configurations.
- Offers low environmental impact by using natural refrigerant.
- Minimizes installation space with compact design.
- Streamlines integration with ready-to-connect piping and wiring.
- Applications
- Air conditioning,Waste heat recovery,Refrigeration,Industrial heating,Combined cooling and heating systems,Hot water generation,Facility heating,Cooling and heating applications,District heating
- End products
- Canned food storage,Frozen meats,Soup production,Pasteurized beverages,Heated greenhouses,Milk powder,Hvac systems,Ice creams,Yogurt,Hot water boilers,Thermal oil systems,Chilled food storages,Pharmaceuticals
- Steps before
- Heating fluid preparation,Refrigerant charging,Waste heat collection
- Steps after
- Heat distribution,Heat recovery,Cooling distribution
- Input ingredients
- waste heat,ground water,surface water,secondary refrigerants,hot ammonia gas,liquid refrigerant,ammonia from low-pressure chiller
- Output ingredients
- industrial heating,hot water,fluid for industrial processes,district heating,combined cooling and heating,reclaimed waste heat,heating capacity between +55 and +80°C,cooling capacity
- Market info
- GEA is known for its expertise in engineering innovative and sustainable equipment and solutions, focusing on sectors such as food, beverages, pharmaceuticals, and energy, with a reputation for quality, efficiency, and advanced technological applications in industrial processing.
- Capacity Range
- 750 to 2,900 kW / 2,559 to 9,895 MBH
- Temperature Range
- -10 to +50°C / +14 to +122°F (source),+55 to +80°C / +131 to +176°F (output)
- Heating Capacity
- Varies by model from 456 to 2,910 kW
- Cooling Capacity
- Varies by model from 620 to 2,660 kW
- Coefficient of Performance (COP)
- Varies by model from 3.63 to 4.12
- Ammonia Screw Compressor
- Seven types based on GEA Grasso M and LT series
- Frequency Inverter
- Stepless capacity control 1,500 – 3,600 rpm (3,300 rpm max for R models)
- Heat Exchanger Type
- Shell,plate,fully welded
- Footprint
- Minimum,compact design
- Installation Type
- Unit ready for connection,fully piped and wired
- Automation
- Industry-leading controller technology
- Working mechanism
- Ammonia screw compressor
- Automation level
- Manual / PLC / SCADA
- Capacity control
- Stepless via frequency inverter
- Footprint
- Minimum
- Energy efficiency
- High
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- F-gas regulation compliance
- Yes
- Natural refrigerant usage
- Ammonia (R717)
- Footprint
- Minimum
- Design Style
- Compact,Modular
- Main Modules
- Screw compressor package,Heat exchanger subassembly,Low-voltage installation
- Control Panel Type
- Industry-leading controller technology with GEA Omni
- Configuration
- Customized according to project specifications
- Control panel type
- Industry-leading controller technology with GEA Omni
- Integration possibilities
- Stepless capacity control via frequency inverter
- Design variants
- Optional design variants based on standard modules
- Modular configuration
- Modular design allowing configuration of heat exchangers
- Evaporator option
- New ammonia cascade evaporator option
- Heat exchangers configuration
- Optimized according to project requirements