Energy-Efficient Hot Water Boilers for Consistent, Low-Pressure Heating Our hot water boilers deliver a reliable and cost-effective solution for space heating and domestic hot water needs. Designed for maximum thermal efficiency and quiet operation, these systems utilize advanced heat exchange technology to provide steady, controllable warmth for buildings, hospitals, and light industrial processes without the complexity of high-pressure steam.
Our Hot Water Boilers are engineered to provide superior heating performance while maintaining a focus on energy conservation. Unlike steam systems, these boilers operate in a closed-loop configuration, heating water to precise temperatures (typically between 140°F and 180°F) and circulating it via high-efficiency pumps. This process ensures a consistent “soft” heat that is ideal for radiant floor systems, baseboard heaters, and large-scale HVAC units. By avoiding the energy-intensive process of phase-changing water into steam, our hot water boilers offer a significantly higher AFUE (Annual Fuel Utilization Efficiency) rating, translating directly into lower utility bills and a smaller carbon footprint.
Built for longevity, our units feature corrosion-resistant heat exchangers—available in stainless steel, cast iron, or copper—to withstand years of continuous operation. The simplified design of a hot water boiler means fewer moving parts and no need for complex steam traps or condensate return systems. This results in a much lower maintenance burden and a longer equipment lifespan. For modern facilities, we offer Condensing Models that capture latent heat from exhaust gases, pushing efficiency levels to over 95% and ensuring your facility stays compliant with the latest environmental regulations.
Every boiler is equipped with an integrated Smart Control Interface that features outdoor reset technology. This allows the system to automatically adjust its firing rate based on the temperature outside, preventing “short-cycling” and further reducing energy waste. Available in various fuel configurations including Natural Gas, Propane, and Electric, our hot water boilers are scalable from compact wall-mounted units for small businesses to massive multi-boiler “cascades” for district heating and campus environments.
Key Applications:
Commercial Buildings: Efficient central heating for offices, hotels, and apartments.
Healthcare: Reliable hot water for sanitation and patient comfort.
Education: Uniform temperature control for schools and universities.
Industrial: Low-temperature process heating and equipment washdown.
| Fuel (Gas) Thermal Oil Boiler Parameter | 120kW | 240kW | 350kW | 500kW | 700kW | 930kW | 1200kW | 1400kW | 2000kW | 2400kW | 3000kW | 3500kW |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Power (kW) | 120 | 240 | 350 | 500 | 700 | 930 | 1200 | 1400 | 2000 | 2400 | 3000 | 3500 |
| Equivalent Heat | 10 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 160 | 200 | 250 | 300 |
| Working Pressure | 0.8 MPa | |||||||||||
| Design Pressure | 1 MPa | |||||||||||
| Oil Inlet Temp (°C) | 284 | 278 | 281 | 273 | 281 | 281 | 280 | 277 | 279 | 276 | 273 | 272 |
| Oil Outlet Temp (°C) | 300°C | |||||||||||
| Boiler Flow | 12.5 | 18 | 30 | 30 | 60 | 80 | 100 | 100 | 160 | 160 | 180 | 200 |
| Efficiency (Oil/Gas) | 96.1/98.05 | 96.09/98.04 | 96.28/98.23 | 96.27/98.2 | 96.02/98.53 | 96/98.52 | 96.06/98.16 | 96.03/98.53 | 96.07/98.55 | 96.06/98.5 | 96/98.02 | 96.1/98.03 |
| Boiler Weight (t) | 1.548 | 1.637 | 3.129 | 3.146 | 3.771 | 4.496 | 4.992 | 5.68 | 7.7 | 8.821 | 10.3 | 16.7 |
| Fuel Type | Light Oil / Natural Gas | |||||||||||
| Gas Consumption | 14.5 | 29 | 42 | 61 | 87 | 115.5 | 147 | 170 | 244 | 294 | 344 | 406 |
| Oil Consumption | 12 | 24 | 34 | 50 | 71 | 95 | 121 | 139 | 200 | 241 | 285 | 335.5 |
| Electrical Power Supply | 380V / 50Hz | |||||||||||
| Pump Power | 1.5 kW | |||||||||||
Thermal heat combustion power gas turbines steam as coal. Boilers electricity fuel grid plant; engineering efficiency.
Thermal heat combustion power gas turbines steam as coal. Boilers electricity fuel grid plant; engineering efficiency.
Thermal heat combustion power gas turbines steam as coal. Boilers electricity fuel grid plant; engineering efficiency.
Thermal heat combustion power gas turbines steam as coal. Boilers electricity fuel grid plant; engineering efficiency.