

RIGID HVAC CO., LTD
Stirling Generator RS1000
1 kW Free-Piston Stirling Power System for Waste Heat & Remote Applications
TURN WASTE INTO POWER
Stirling Generator Clean Energy: The smarter, greener way to generate electricity. Clean, reliable power anywhere, anytime, from any fuel.
Convert available heat into reliable electricity — with a compact, low-noise, low-maintenance system designed for applications where conventional power generation is inefficient, impractical or difficult to maintain.
The RS1000 is an external combustion Stirling generator that avoids the explosive shockwork of traditional internal combustion engines. As a result, it achieves high efficiency, low noise, low emissions, and low operating costs.
Unlike conventional generators, the Stirling Generator can run on a wide range of fuels – from natural gas, biogas, propane, hydrogen, and coal gas to diesel, LPG, and even solid fuels like wood. It can also harness solar thermal energy. As long as the hot chamber reaches 180°C, the engine begins operating, delivering about 25% electricity and 70% usable heat.
Whether you need to supplement unreliable grids or power standalone facilities, the RS1000 ensures that your operations remain reliable, efficient, and sustainable.
The Stirling Generator RS1000 system, Including:
- RS1000 generator
- Heat interface
- Controls
- Inverter
- Monitoring
- Installation guidance
- A life-long technical support

Technical Data
- Net Weight: 49 kg
- Maximum Power Output: 1050 W
- Electrical Efficiency: 18% – 25%
- Overall Cogeneration Efficiency: Up to 95%
- Materials: Non-combustible construction
- Frequency / Voltage: 50/60 Hz, 220–230 V
- Dimensions: Height 450 mm × Diameter 300 mm
- Off-Grid Capability: Compatible with inverter or battery
- Emissions: Ultra-low, meets national quality standards
Noise Level:
- With enclosure: 45 dB (at 1m)
- Without enclosure: 52.5 dB (at 1m)
The Stirling Generator RS1000 can operate on a wide variety of fuels, offering exceptional flexibility:
- Coal / Natural Gas
- Diesel / Biogas / Hydrogen
- Propane / Liquefied Petroleum Gas (LPG)
- Wood (biomass) / Solar Energy (as a heat source)
* We adapt our interface to the heat source.
A Whole Packaged Integrated 1 kW Power System
RS1000 converts available external heat into up to 1kW of electricity while enabling useful heat recovery for CHP applications.
Stirling Generator RS1000, 1kW Stirling generator, free-piston Stirling, linear alternator, CHP, waste heat recovery, off-grid power,

Working Principle
St
Advantages of This Process
- Works with any external heat source → flexible and future-proof.
- No internal combustion → silent, clean, and long-lasting.
- Continuous and stable power generation regardless of weather.
- Captures and reuses waste heat for maximum energy utilization.
- Maintenance-free sealed system with >80,000-hour lifespan (10 years).
RS1000 Stirling generator; 1 kW Stirling generator; RIGID Stirling generator; Free-piston Stirling generator; linear alternator; thermal-to-electric module; Small-scale waste heat recovery; waste heat to electricity; Off-grid Stirling generator; remote power system; Micro CHP; Stirling combined heat and power; Biogas CHP; biomass Stirling generation; Stirling generator OEM integration; field evaluation.
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#Compact Stirling power unit #High efficiency micro generator #Low noise power generator #Hydrogen powered generator #Solar thermal Stirling generator #Maintenance free energy system #Renewable power conversion #Micro combined heat and power (micro-CHP) #Linear alternator generator

Application
Clean, quiet, fuel-flexible Stirling power- off grid freedom, industrial strength, disaster resilience, and critical infrastructure reliability in one solution.

Prime Power & Solar Power (off-grid)
Provides reliable, maintenance-free prime power and seamlessly integrates with solar for continuous off-grid electricity and heat. Ideal for autonomous energy systems in areas without dependable grid access.

Disaster-Prone Regions
Ensures uninterrupted backup power during wildfires, hurricanes, or grid failures, keeping critical systems online. Provides energy resilience when traditional generators fail or require heavy maintenance.

Remote or Off-Grid Locations
Delivers autonomous, fuel-flexible power to mining camps, islands, and rural sites. Runs on biogas, propane, or solar, ensuring continuous operation without grid dependence.

Critical Infrastructure
Safeguards hospitals, data centers, and emergency services with uninterrupted, long-life energy. Zero-maintenance design ensures mission-critical reliability for decades of operation.

Industrial and Manufacturing Facilities
Provides stable, high-quality power to protect sensitive equipment, reduce downtime, and support continuous production. Designed to cut costs while maintaining efficiency in energy-intensive operations.

Off-Grid & Rural Backup Power
The RS100 supplies dependable backup for rural homes, farms, millitary and communities. Offers clean, quiet, maintenance-free energy where grid connections are unreliable or unavailable.
Features & Benefits
Powering a Cleaner, More Reliable Tomorrow.
Fuel Flexibility
Runs on propane, natural gas, biogas, hydrogen, diesel, biomass, or solar heat.
Maintenance-Free
No lubricated parts; designed for 80,000 hours of operation.
Low Noise & Emissions
Quiet, clean energy with minimal environmental impact.
Load Following
Automatically adjusts output to match real-time energy demand.
Scalable Design
Multiple units can be networked for higher capacity or combined heat and power (CHP).
Versatile Applications
Reliable power for off-grid sites, disaster recovery, industrial facilities, and critical infrastructure.
FREE Application Assessment
AllCustomDesignBuying A SampleApplication Assessment
FREE RS1000 Application Assessment
Have waste heat or a remote power requirement? Send us your operating conditions. RIGID engineers will evaluate whether the RS1000 is technically suitable and provide a preliminary system configuration.Select date and time
Event time zone:Asia/Singapore GMT+08:00Book NowStirling Engine Family
RIGID® groundbreaking Stirling Cryocooler and Stirling Generator provide cutting-edge, efficient solutions for both cooling and power generation. The Stirling Cryocooler utilizes external combustion technology to achieve high efficiency with minimal energy consumption, producing cooling from low temperatures (down to -160°C). It is ideal for applications in aerospace, medical devices, and telecommunications, offering low maintenance, quiet operation, and long lifespan.
The Stirling Generator operates on multiple fuels, including natural gas, propane, and biogas, offering clean, reliable power. With no lubricated parts, it is designed for zero maintenance and boasts a long life expectancy of up to 80,000 hours. These generators are ideal for off-grid and remote locations, critical infrastructure, and disaster recovery, ensuring continuous energy with low emissions. Both technologies leverage fuel flexibility and high efficiency, providing environmentally friendly, cost-effective solutions for a variety of industries.
Typical Applications
The RS1000 Stirling Generator offers fuel flexibility, low emissions, and maintenance-free operation for up to 10 years. With high efficiency and quiet performance, it provides reliable power for off-grid, industrial, millitary and emergency applications, ensuring sustainability and cost-effectiveness in diverse environments.

Telecommunications
The RS1000 is an ideal solution for powering telecom towers in remote areas, where traditional grid power is often unavailable. With its fuel flexibility, low emissions, and maintenance-free design, it ensures reliable, continuous power to keep communications up and running.

Oil & Gas
For oil rigs and gas extraction sites where reliable power is essential for operation, the RS1000 can run on associated gas, reducing waste and improving fuel efficiency. Its robust design and low maintenance make it perfect for operations in remote oilfields.

Off-Grid Power
In remote areas, disaster recovery sites, or military operations, the RS1000 provides a sustainable, flexible power solution that can run on a variety of fuels. Its low emissions and ability to function without grid access make it ideal for off-grid applications.

Backup Power
The RS1000 is perfect for providing backup power in critical infrastructure such as hospitals, data centers, millitary and research facilities. Its compact size, low emissions, and reliable performance ensure uninterrupted operations in case of power failure.
Request Custom & Design
Can't find what you're looking for in our standard product line? No problem. We produce a great deal of custom-designed and modified standard products for our volume production customers. We can develop a custom solution to meet your specific needs. Contact us with your requirements so that we can develop a detailed specification with your engineering team, create a design, build a prototype, verify the product in collaboration with you, and manufacture the product for you.
FAQ
The key features, applications, and technical aspects of the Stirling Genrator RS1000.
#Free piston energy system #Small-scale Stirling generator #Rigid RS1000 electricity generator #Stirling generator for oil & gas sites #Reliable power for remote locations #Long-life off-grid generator #RIGID advanced thermal system
1. What is the Stirling Generator RS1000?
The RS1000 is a clean, efficient power generator that uses Stirling engine technology to convert heat into electricity with minimal emissions and maintenance.
It isn't merely a generator. It's a: Thermal-to-Electric Power Module
2. What fuels can the Stirling Generator RS1000 run on?
The RS1000 is fuel-flexible, capable of running on natural gas, biogas, propane, hydrogen, diesel, LPG, wood, and solar thermal energy.
3. What is the power output of the Stirling Generator RS1000?
The RS1000 delivers a maximum power output of 1050 watts.
4. How efficient is the RS1000?
The generator has an electrical efficiency of 18%-25% and cogeneration efficiency of up to 95%.
5. Is the RS1000 maintenance-free?
Yes, the RS1000 has a maintenance-free design with no lubricated parts, offering up to 80,000 hours (10 years) of operation without major maintenance.
6. What is the noise level of the RS1000?
With the enclosure, the RS1000 operates at 45 dB at 1 meter, and without the enclosure, it’s at 52.5 dB at 1 meter.
7. What are the dimensions of the RS1000?
The RS1000 measures 450 mm in height and 300 mm in diameter.
8. How does the Stirling Generator RS1000 work?
The RS1000 uses a Stirling engine that converts thermal energy into mechanical energy, which is then converted to electricity through a linear alternator.
9. Can the Stirling Generator RS1000 operate off-grid?
Yes, the RS1000 is designed for off-grid applications and can be used with inverters or battery systems.
10. How long does the RS1000 last?
The RS1000 is designed to last for 80,000 hours (10 years) of continuous operation, offering long-term reliability.
11. Is the RS1000 suitable for remote areas?
Yes, the RS1000 is ideal for remote and off-grid locations where access to a reliable power grid is limited or unavailable.
12. What applications is the Stirling Generator RS1000 suitable for?
The RS1000 is perfect for millitary, critical infrastructure, disaster recovery, industrial applications, and off-grid power systems.
13. Can the RS1000 be used in disaster-prone regions?
Yes, the RS1000 is ideal for disaster recovery and emergency backup, keeping essential services operational during grid outages.
14. Is the RS1000 environmentally friendly?
Yes, the RS1000 has low emissions, making it a cleaner alternative to diesel or traditional gas-powered generators.
15. What is the weight of the RS1000?
The net weight of the RS1000 is 49 kg.
16. Can the RS1000 power critical infrastructure?
Yes, the RS1000 is perfect for powering critical infrastructure such as hospitals, data centers, and emergency services.
17. Can multiple RS1000 units be connected together?
Yes, multiple RS1000 units can be networked to provide higher capacity for larger power needs.
18. What is the voltage range of the RS1000?
The RS1000 provides 220-230V AC and is compatible with both 50Hz and 60Hz systems.
19. How is the RS1000's fuel consumption managed?
The RS1000 has a load-following system that adjusts fuel consumption based on real-time power demand, optimizing efficiency.
20. Is the RS1000 suitable for industrial use?
Yes, the RS1000 is well-suited for industrial and manufacturing facilities, providing reliable, high-quality power for energy-intensive operations.
21. Where to buy one sample of the Stirling Generator RS1000?
The RIGID carries a 12-month full replacement warranty, exclusive of failure due to misuse. Furthermore, RIGID company develops other warranty arrangements for specific customers.

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