Industrial (Steam/Hot Water) Boiler Price Overview – 2025

Industrial boiler buyers need reliable information on capacity, pressure ratings, fuel options and costs. Below are listed in ascending order of price. Data is from manufacturer specifications.

Gas/Oil-Fired Hot Water Boiler V6 (Mini Boiler)

• Price: $2,000–$3,800​

• Capacity (Thermal Output): 58–99 kW (suitable for small commercial heating)

• Operating Pressure: 1.0 MPa​

• Fuel Options: Natural gas, coke-oven gas, blast furnace gas, carbon-black gas, biogas, diesel, heavy oil, light oil, crude oil, etc.​

• Efficiency: >97%(full premix combustion)

• Advantages: Low NOₓ emissions (uses premixed combustion to keep NOₓ below 30 mg/Nm³), compact vertical design (≈0.7 m diameter), and intelligent modular control for multiple boilers (allows flexible load matching)​. The V6’s compact, anti-corrosion construction yields reliable, long-life operation in commercial settings.

The V6 series is a compact industrial hot-water boiler suited for buildings or medium heating loads. Its high efficiency and built-in control system allow responsive operation with minimal emissions, making it a cost-effective choice for commercial facilities.

Electric Hot Water Boiler (0.12–2.8 MW)

• Price: $2,000–$51,200​

• Capacity: 0.12–2.8 MW (water-heating output)​

• Operating Pressure: 0.1/1.0/1.6 MPa selectable

• Fuel: 100% Electric (resistance heating)

• Efficiency: 98%(zero flue losses)

• Advantages: Nearly 100% energy conversion with instant heat; zero combustion emissions (fully electric)​. Equipped with smart controls for precise temperature regulation, these boilers self-adjust for demand, delivering stable hot water and cutting energy waste up to 30% in practice. The compact, fully-enclosed design simplifies installation and operation.

This electric boiler is ideal for industrial or commercial heating where gas isn’t available. Its high efficiency and built-in smart controller ensure a steady hot-water supply with low maintenance. The absence of combustion means no emissions, fitting eco-sensitive environments.

Commercial Hot Water Boiler C6 (0.12–1.4 MW)

• Price: $2,230–$27,500​

• Capacity: 0.12–1.4 MW​

• Operating Pressure: 0.4 MP

• Fuel: Natural gas, city gas, LPG, diesel, etc.

• Efficiency: 106% (condensing design)​

• Advantages: Compact condensing hot-water boiler optimized for indoor use. Fully condensing operation means exceptional efficiency (about 106%), with low exhaust temperatures. The C6’s design yields low emissions and a high heat output per unit footprint.

The C6 is engineered for space heating in industrial or commercial buildings. Its fully premixed, condensing design ensures high thermal efficiency and minimal flue losses. This model delivers reliable, high-output hot water while keeping fuel costs low through condensing heat recovery.

Commercial Vacuum Hot Water Boiler T6 (0.35–7 MW)

• Price: $5,100–$123,200

• Capacity: 0.35–7.0 MW​

• Operating Pressure: –0.02 MPa (vacuum operation)

• Fuel: Natural gas, city gas, LPG, diesel, heavy oil, etc.​

• Efficiency: 105%–107%(deep condensing vacuum design)

• Advantages: Uses surface-combustion and vacuum condensation to achieve ultra-high efficiency (up to 107%)​. The built-in vacuum system and counterflow heat exchange cool flue gases to ~20°C, virtually eliminating visible emissions. Patented “auto vacuum maintenance” keeps the system at optimal vacuum. The T6 has strong anti-scaling ability (low water quality needs) and an intelligent touch-screen control for stable operation.

The T6 vacuum boiler series offers highly efficient hot water for large commercial heating. With 92% particulate reduction and deep cooling of exhaust, it greatly cuts fuel use and emissions​. Its compact, modular design also saves installation space and reduces operating costs.

Electric Steam Boiler (0.5–4 t/h)

• Price: $5,880–$51,800

• Capacity: 0.5–4.0 t/h (steam)

• Operating Pressure: 1.25 MPa​

• Fuel: 100% Electric (heating elements)​

• Efficiency: 98%

• Advantages: Efficient, emission-free steam generation. The electric resistance boiler has no combustion chamber or chimney, simplifying installation. It provides quick start/stop response and stepwise power control for precise steam output. Built-in alarms (e.g. low water scale) and automatic controls ensure safe, reliable operation with minimal maintenance​.

Electric steam boilers eliminate fuel handling and emissions. This model’s nearly 98% efficiency and clean operation make it ideal for industries requiring sterile or clean steam (e.g. food, pharmaceuticals). The design yields stable steam with flexible load adjustment, boosting energy efficiency and component life​.

Industrial Coal-Fired Steam Boiler (1–25 t/h)

• Price: $5,880–$51,800

• Capacity: 1–25 t/h steam

• Operating Pressure: ≤2.5 MPa​

• Fuel: Bituminous coal, anthracite, lean coal, etc. (pulverized or grate-fired)

• Efficiency: 85–97% (higher for condensing models)​

• Advantages: Robust water-tube design for medium to large industrial steam needs. The chain-grate or stoker system ensures thorough combustion of various coal types. Advanced heat-recovery (economizer + preheater) is standard, and multi-cyclone ash removal keeps particulate emissions low (≤20 mg/Nm³). Durable construction with anti-corrosion materials provides long life and reliable service in heavy-duty use.

This coal-fired steam boiler is built for industries like cement, textile, or food processing where coal fuel is available. With efficiencies up to ~97% (for condensing variants) and full boiler controls, it delivers steady high-pressure steam. Key performance features include double-drum circulation for stable water flow and flue-gas condensers for heat recovery​.

Commercial Gas/Oil-Fired Hot Water Boiler H6 (0.35–2.8 MW)

• Price: $5,880–$51,800

• Capacity: 0.35–2.8 MW​

• Operating Pressure: 0.1 MPa

• Fuel: Natural gas, city gas, LPG, diesel, etc.

• Efficiency: 97.2%–106%​ (turndown 6:1)

• Advantages: Fully premixed condensing hot-water boiler for high efficiency in a small package. The H6 series can modulate down to 6:1 turndown ratio, maintaining ≥97.2% efficiency across loads​. Dual burners and advanced flame control minimize NOₓ while ensuring complete combustion. Compact chassis and integrated controls allow easy installation in tight plant spaces.

The H6 series is designed for commercial and industrial heating where space is limited. By fully mixing fuel and air, it achieves very low emissions and high thermal efficiency​. Its robust burner and control system ensure stable hot-water output and easy operation under varying demands.

Gas/Oil-Fired Condensing Steam Boiler – Euromonitor 6 (1–10 t/h)

• Price: $7,000–$142,000

• Capacity: 1–10 t/h steam​

• Operating Pressure: 1.25 MPa

• Fuel: Natural gas, city gas, LPG, diesel, heavy oil, etc.

• Efficiency: 100%–103.44% (condensing)

• Advantages: High-efficiency condensing steam boiler optimized for industry. The Euromonitor 6 series uses an integrated economizer and flue-gas condenser to capture latent heat, enabling efficiencies over 100%​. A precision premix burner and FGR (flue gas recirculation) keep NOₓ <30 mg/Nm³. This model has very tight steam output control (±0.2°C stability) for sensitive processes (e.g. food sterilization) and 99.8% reliability in humid conditions.

Euromonitor 6 is built for continuous industrial steam applications. Its design provides low-emission, high-purity steam, making it suitable for clean industries (pharma, food). Real-time diagnostics and heat-recovery tech ensure 18% fuel savings versus non-condensing units​.

Biomass Pellet Steam Boiler (1–25 t/h)

• Price: $7,000–$159,000​

• Capacity: 1–25 t/h steam

• Operating Pressure: ≤2.8 MPa​

• Fuel: Biomass pellets (wood, agricultural waste)​

• Efficiency: 90%–95%​

• Advantages: Renewable-fuel steam boiler using biomass pellets or chips. Typical design includes chain-grate or fluidized-bed combustion with automatic ash handling. It meets industrial steam needs with moderately high efficiency (90–95%) and significantly lower CO₂ emissions than fossil fuels. Robust construction handles varying biomass fuel properties, and insulation minimizes standby losses.

This biomass steam boiler is ideal where biomass fuel is abundant. It provides steady steam pressure (up to 2.5 MPa) for heat processes, with emissions controlled by tight combustion and flue-gas cleaning. The flexible fuel acceptance (pellets, wood chips, palm shells, straw, etc.) makes it versatile for many industries without relying on coal​.

Gas/Oil-Fired Condensing Steam Boiler – Euromonitor 7 (2–30 t/h)

• Price: $14,000–$210,000​

• Capacity: 2–30 t/h steam​

• Operating Pressure: 1.25 MPa

• Fuel: Natural gas, city gas, LPG, diesel, heavy oil, etc.

• Efficiency: 97%–103.8% (condensing design)

• Advantages: This advanced boiler maintains precise steam parameters (±0.2°C) for sensitive industrial processes, even with wide inlet-water variations​. A corrosion-resistant chamber ensures 99.8% uptime in humid environments. Built-in flue-gas recirculation and condensing economizer recover up to 18% of fuel energy, raising efficiency above 100%. Emissions are ultra-low (NOₓ ~28 mg/Nm³) to meet strict environmental standards​.

Fangkuai’s Euromonitor 7 is engineered for high-purity steam in industries like pharmaceuticals. It optimizes latent heat recovery, cutting fuel use and reducing greenhouse gases. Real-world cases show it significantly reduces operating cost by lowering fuel input while delivering stable, high-quality steam​.

Condensing Pressure Hot Water Boiler i6 (2.1–7.0 MW)

• Price: $29,800–$115,800

• Capacity: 2.1–7.0 MW (hot-water output)​

• Operating Pressure: 1.0 MPa​

• Fuel: Natural gas, coke-oven gas, blast furnace gas, coal gases, biogas, diesel, heavy/light oil, crude oil, etc.

• Efficiency: 97%–106% (full condensing)

• Advantages: A high-efficiency condensing hot-water boiler with flat-flame premix burners. The i6’s compact design (60% smaller volume vs. older boilers) integrates an economizer and condensing heat exchanger​. It achieves up to 107% thermal efficiency by recovering nearly all heat. NOₓ emissions are kept ≤30 mg/Nm³, and its size makes installation in tight spaces easier.

The i6 series is intended for large heating systems (dairies, textiles, etc.) that need very hot water with minimal fuel. Its condenser and wing-tube heat exchanger maximize heat extraction. Coupled with intelligent controls, it provides steady, high-temperature water with very low operational cost​.

Biomass Steam Boiler (5–35 t/h)

• Price: $42,300–$279,800

• Capacity: 5–35 t/h steam​

• Operating Pressure: 1.0/2.5 MPa (depending on model)​

• Fuel: Biomass (wood, agricultural waste, etc.)​

• Efficiency: 86%​

• Advantages: Large-capacity biomass steam boiler for heavy industrial use. Typically water-tube design with mechanical grate or chain-grate furnace. It can provide high-pressure steam for process needs (up to 2.5 MPa). The boiler’s robust pressure vessel and automatic controls ensure stable steam output even with variable fuel.

This model serves industries like power generation or large-scale heating where biomass is used at scale. At 86% efficiency, it balances fuel cost against output. The system includes standard features like economizers and multiple-pass fire-tube sections to maximize heat use.

Condensing Atmospheric Hot Water Boiler H7 (4.2–28 MW)

• Price: $68,100–$419,500​

• Capacity: 4.2–28 MW (hot-water output)​

• Operating Pressure: 0.1 MPa (atmospheric)

• Fuel: Natural gas, coke-oven gas, blast furnace gas, LPG, etc.

• Efficiency: 105%–107%​(ultra-low emissions condensing)

• Advantages: Large-scale condensing hot-water boiler for industrial district heating. Uses FGR (flue gas recirculation) to raise flue-gas heat recovery and lower boiler height​. The atmospheric design means no need for forced draft. It achieves >105% efficiency by condensing water vapor and has very low NOₓ. The H7’s compactness and durability (corrosion-resistant materials) cut space needs and maintenance.

This series is built for large factories or district heating in industry. It delivers very hot water at constant temperature. Field reports highlight significant energy savings and compliance with strict emission limits, making it a cost-effective, eco-friendly solution​.

High-Voltage Electrode Hot Water Boiler (4.2–70 MW)

• Price: $68,100–$1,159,000​

• Capacity: 4.2–70 MW (hot-water output)​

• Operating Pressure: 1.0/1.25/1.6 MPa selectable​

• Fuel: 100% Electric (electrode immersion)​

• Efficiency: 99% (direct electric heating)

• Advantages: Direct-immersion electrode boiler with virtually no losses. Converts electricity to heat at over 99% efficiency. There is no combustion, so emissions are zero and chimney/stack is unnecessary. Its modular submerged design saves floor space. It has fast response to load changes, and built-in protections (leakage/overcurrent) ensure safety. Excellent for continuous high-temperature applications (e.g. sterilization at 85±1°C) and district heating, especially where emissions regulations are strict​.

As electrical heating increases, electrode boilers like this become ideal for industrial heating. They eliminate fuel handling and pollution entirely. The high-voltage model can serve very large heat demands (up to 70 MW) while cutting operating costs via off-peak power use (thermal storage) and requiring minimal upkeep​.

High-Voltage Electrode Steam Boiler (10–100 t/h)

• Price: $68,100–$1,159,000​

• Capacity: 10–100 t/h steam​

• Operating Pressure: 0.7–2.5 MPa

• Fuel: 100% Electric (electrode heating)​

• Efficiency: 99% (electrical)​

• Advantages: Large-capacity electrode steam boiler for heavy industrial steam needs. Achieves up to 99% electrical-to-steam conversion efficiency​. Offers five–100% seamless load modulation for precise steam control. Safety systems (zero leakage current and multiple protections) ensure reliable operation. Its simple direct-contact heating means minimal moving parts, resulting in lower maintenance and no fuel impurities.

This model is used where very clean steam and high capacity are needed (e.g. food, biotech, textiles). It can scale up to 100 t/h output with very tight pressure control. Companies using it report consistent 24/7 operation with much lower maintenance and no smoke emissions, fitting ISO clean-site requirements​.

Vacuum Hot Water Boiler T7 (7–70 MW)

• Price: $89,700–$856,000

• Capacity: 7–70 MW (hot-water output)

• Operating Pressure: –0.02 MPa (vacuum)

• Fuel: Natural gas, city gas, diesel, LPG, etc.

• Efficiency: 105%–107%​(deep condensing under vacuum)

• Advantages: Large vacuum hot-water boiler with ultra-deep flue-gas cooling. Flue gases can be cooled to ~20°C, essentially eliminating chimney heat loss. The T7’s design yields extremely high efficiencies (up to 107%) and very low emissions. Its vacuum operation prevents scaling and reduces combustion chamber requirements, making the boiler more compact than atmospheric units of similar output.

Designed for very large heating systems (industrial parks, district energy), the T7 combines the features of T6 at an industrial scale. Despite its size, the vacuum condensing design dramatically cuts fuel use and stack emissions, providing significant annual cost savings for industrial clients.

SZS Oil/Gas Water-Tube Steam Boiler (10–50 t/h)

• Price: $140,000–$700,000​

• Capacity: 10–50 t/h steam​

• Operating Pressure: ≤3.8 MPa​

• Fuel: Natural gas, coke oven gas, blast furnace gas, heavy oil, etc.

• Efficiency: 100%–104%​

• Advantages: Large D-type, dual-drum water-tube boiler for high-pressure steam. Its narrow, curved tubes accelerate circulation (preventing scale) and boost heat transfer 15–18% over straight designs​. Forced circulation ensures stable evaporation under heavy loads. Waste-heat recovery is standard, and it can include flue-gas condensers for extra efficiency. Built for 3.8 MPa capability, it reliably delivers large volumes of high-pressure steam with minimal downtime.

Fangkuai’s SZS series is used in heavy industry where large steam output is mandatory (textiles, paper, sugar). Its robust construction and advanced heat recovery mean it can run continuously at high load. The boiler also integrates low-NOx burners and economizers, achieving near zero emissions at full load​.

NSZS Industrial Water-Tube Steam Boiler (10–150 t/h)

• Price: $140,000–$2,000,000​

• Capacity: 10–150 t/h steam

• Operating Pressure: 1.25 MPa (typical)​

• Fuel: Natural gas, oil, or mixed combustion

• Efficiency: >99% (depending on design)​

• Advantages: Extra-large industrial steam boiler line for massive steam demands. The NSZS series combines water-wall (water tube) furnace with superheater stages for very high output. Perfect for sugar mills, petrochemicals, or large factories, it offers >99% fuel utilization. These boilers are often multi-pass (3–4 pass flue gas) with integrated economizers, producing high-pressure steam smoothly under full industrial loads.

The NSZS series is aimed at the largest industrial steam users. Its modular design can be scaled (multiple 150 t/h units in parallel) to meet any capacity. Rigorous quality control means it can handle abrasive fuels and tough cycling, maintaining performance over decades​.

Each boiler above is specified with its tonnage or MW range, operating pressure, available fuels, and special features as given by the manufacturer​. By comparing these details and prices, industrial users can identify the most suitable boiler type.

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