UM 350kW Hot Water Boiler is a reliable heating solution designed for commercial buildings, instalações industriais, hotéis, escolas, hospitais, and other applications that require stable hot water supply.
With a heating capacity of 350 kilowatts, this type of boiler is widely used in medium-sized heating projects, especially in regions with cold winters such as Europe, Ásia Central, and Eastern Europe.
Neste guia, we will explain what a 350kW hot water boiler is, how it works, where it is used, how much it costs, the difference between steam boilers and hot water boilers, and share a real installation case from Uzbekistan.
What Is a 350kW Hot Water Boiler?
UM 350kW Hot Water Boiler is a heating system that uses fuel combustion to heat water and circulate the hot water through a heating network.
Diferente caldeira a vapor, hot water boilers do not convert water into steam. Instead, they maintain water circulation at a controlled temperature to provide heating for buildings, fábricas, and other facilities.
The 350kW heating capacity means the boiler can provide approximately 350 kilowatts of thermal output, making it suitable for small and medium-sized heating projects.
How Does a 350kW Hot Water Boiler Work?
A 350kW hot water boiler works through four main steps:
1. Fuel Combustion
The burner burns fuel such as natural gas, diesel, GLP, or biomass to generate heat energy.
2. Transferência de calor
The generated heat passes through the boiler heat exchanger and transfers energy to the water inside the boiler.
3. Hot Water Circulation
The heated water is delivered through pipelines to radiators, floor heating systems, air handling units, or industrial heating equipment.
4. Return Water Heating
After releasing heat, cooler water returns to the boiler and is reheated to maintain continuous heating operation.

Where Are 350kW Hot Water Boilers Used?
UM 350kW Heating Boiler has a wide range of applications because of its stable operation and flexible heating performance.
- Commercial Buildings: Hotéis, edifícios de escritórios, shopping centers, and apartment complexes.
- Industrial Facilities: Factories and workshops requiring space heating or process heating.
- Agricultural Projects: Greenhouses and farms requiring temperature control.
- Public Buildings: Schools, hospitais, and government buildings.
Why Choose a 350kW Hot Water Boiler?
Is a 350kW Boiler Suitable for Medium Heating Projects?
Sim. A 350kW hot water boiler is commonly selected for medium-sized heating applications.
The actual heating area depends on several factors, including building insulation, outdoor temperature, heating system design, and required indoor temperature.
What Are the Advantages of a 350kW Hot Water Boiler?
- High Efficiency: Modern combustion technology helps reduce fuel consumption.
- Stable Heating: Continuous hot water circulation ensures reliable heat supply.
- Easy Operation: Compared with steam systems, hot water boilers are easier to operate.
- Lower Maintenance: Simple system structure reduces maintenance requirements.
- Flexible Fuel Options: Available for gas, óleo, GLP, e combustíveis de biomassa.
Caldeira a Vapor vs Caldeira de Água Quente: What Is the Difference?
Many customers ask: “Should I choose a steam boiler or a hot water boiler?”
Although both systems generate heat energy, their working principles and applications are different.

O que é uma caldeira a vapor?
UM caldeira a vapor heats water until it becomes steam. The steam is then transported through pipelines for industrial processes.
Steam boilers are commonly used in:
- Processamento de alimentos
- Fabricação têxtil
- Chemical industries
- Produção farmacêutica
- Geração de energia
Looking for a Boiler for Hot Water Boiler?
Contate-nos today for a hot water boiler and free energy efficiency assessment. Nossa equipe de engenharia especializada fornece suporte completo desde o projeto até a instalação.
What Is a Hot Water Boiler?
A hot water boiler heats water and circulates it through heating systems without producing steam.
UM 350kW Hot Water Boiler is mainly used for:
- Building heating
- Hotel heating systems
- School and hospital heating
- Greenhouse heating
- Industrial space heating

| Comparação | Caldeira a Vapor | Hot Water Boiler |
|---|---|---|
| Working Medium | Vapor | Hot Water |
| Pressure | Higher Pressure | Low or Medium Pressure |
| Aplicação principal | Industrial Processes | Heating Applications |
| Operation | More Complex | Easier Operation |
| Manutenção | Requires Professional Management | Simple Maintenance |
How Much Does a 350kW Hot Water Boiler Cost?
The price of a 350kW Hot Water Boiler depends on several factors:
- Tipo de combustível
- Boiler design
- Sistema de controle
- Material requirements
- Installation requirements
- Destino de envio
Por exemplo, a gas-fired hot water boiler and a biomass hot water boiler may have different prices because their combustion systems and equipamento auxiliar are different.
To get an accurate quotation, customers should provide project details such as fuel type, heating capacity, working temperature, and installation location.

Successful Installation Case: Two 350kW Hot Water Boilers in Uzbekistan
Dabonn Energy successfully completed the installation and commissioning of two units of 350kW Hot Water Boilers for a heating project in Uzbekistan.
Project Information
- Country: Uzbekistan
- Equipamento: 2 × 350kW Hot Water Boilers
- Total Capacity: 700kW
- Aplicativo: Heating System
- Service: Manufacturing, Installation and Commissioning
The project was designed to provide a stable and efficient heating solution for the customer during the cold winter season.
From boiler production to installation, Dabonn Energy provided professional technical support to ensure smooth operation and reliable performance.
This successful Uzbekistan project demonstrates Dabonn Energy’s experience in delivering customized heating solutions for customers in Central Asia and global markets.
Who Is Dabonn Energy?
Energia Dabonn is a professional industrial boiler manufacturer and energy solution provider specializing in the design, fabricação, and installation of heating and energy equipment.
The company provides various boiler solutions, incluindo:
- Hot Water Boilers
- Steam Boilers
- Gas Fired Boilers
- Biomass Fired Boilers
- Industrial Boilers
- Customized Heating Systems
With international project experience in Europe, Ásia Central, Sudeste Asiático, and other regions, Dabonn Energy focuses on providing efficient, confiável, and customized boiler solutions for global customers.

Why Choose Dabonn Energy as Your 350kW Hot Water Boiler Supplier?
- Professional boiler design and engineering team
- High-quality manufacturing standards
- Customized heating solutions
- International installation experience
- Complete technical support
- Reliable after-sales service
How Can I Get a Quote for a 350kW Hot Water Boiler?
If you are planning a heating project and looking for a reliable 350kW Hot Water Boiler Manufacturer, Dabonn Energy can provide a customized solution according to your requirements.
Contact Dabonn Energy today to learn more about our boiler projects and get a free quotation.

