zozen boiler
Home Service FAQs FAQ of gas-fired(oil-fired) boilers What is the heating principle of gas-fired boilers for the residential quarters?

What is the heating principle of gas-fired boilers for the residential quarters?

15 Jul 2022

Urban central heating is a livelihood project, and it is also the main way of district heating. Many end users don't know much about the gas-fired boiler heating system for the residential quarters. As a professional supplier of gas-fired heating boilers, ZOZEN Boiler is here to explain the heating process of common gas-fired boiler.

 

The principle process of gas-fired boilers for the residential quarters is roughly as follows:

Gas boiler room-(high temperature hot water)-heat exchange station-(low temperature hot water)-users-(low temperature hot water)-heat exchange station-(low temperature hot water)-gas boiler room

 

Advantages of boilers for the residential quarters:

  1. Heating is available all day, and the temperature is stable and guaranteed.
  2. The charge is relatively fair.
  3. The gas boiler equipment technology is mature, the safety performance is guaranteed, and the boiler room is built away from the residential area, so the users have no potential safety hazards such as fire and gas poisoning.

 

Recommended boiler types of ZOZEN Boiler

Gas-fired boiler is the source of all heat energy, and stable economic operation directly affects the heating quality of residential quarters. At present, there are two kinds of common gas boilers on the market:

  1. WNS series gas-fired hot water boiler

Hot water capacity: 0.7-14MW

Working pressure: 0.7-1.25Mpa

Thermal efficiency: 95%

 

  1. SZS series gas-fired hot water boiler

Hot water capacity: 7-116MW

Working pressure: 1-1.6Mpa

Thermal efficiency: 95%

 

ZOZEN SZS series and WNS series gas-fired boilers have reliable heating ability in residential areas, and have the characteristics of high efficiency, energy saving, environmental protection, convenient maintenance, automatic intelligent control and so on. The thermal efficiency of the boiler can reach 95%, and it can realize the low nitrogen emission of nitrogen oxides less than 30mg/Nm³. It has obvious advantages of high efficiency and low emission.

Related FAQs View More
Related news View More
  • Guarding the Flavor of the "Red Industry": ZOZEN Gas Steam Boiler Solves Pain Points in Tomato Processing
    Every August to September, Xinjiang welcomes a grand feast of red harvest. As a globally significant production base for tomato paste, tomato products here are renowned for their high lycopene content. However, for tomato processing enterprises, this is not just a harvest season, but a race against time. The tomato maturity period is concentrated, and fresh fruit is difficult to store, leaving a processing window of only 45 to 55 days. Once equipment downtime occurs, mountains of fresh fruit wil...
    17 Feb 2026
  • Another Success in Indonesia: ZOZEN Boiler Boosts Production and Efficiency for Palm Oil Mill
    On the edge of the tropical jungles of Sumatra, Indonesia, the hum of machinery blends with the scent of palm fruit, painting a busy picture of the local palm oil processing industry. As a key global production base, Indonesian oil processing enterprises have a high dependency on reliable thermal energy supply. Booming Oil Processing Industry in Indonesia Recently, Wuxi ZOZEN Boiler Co., Ltd. ("ZOZEN Boiler") successfully delivered and commissioned a 15 t/h SZL series coal-fired steam boiler...
    03 Feb 2026
  • ZOZEN Gas Hot Water Boilers: The High-Efficiency Core Powering Clean Heating Projects in Northern China
    As clean heating upgrades continue to accelerate across northern China, high-efficiency and environmentally compliant heating equipment has become essential to ensuring winter heating security while supporting the country’s carbon reduction goals. In Tianjin, several large district heating companies have independently selected the same core solution — the ZOZEN SZS series gas-fired hot water boiler — delivering stable heat throughout the winter while contributing to improved ai...
    27 Jan 2026

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity