This paper introduces the basic principles of boiler’s water temperature control, puts forward some technical measures for energy-saving in the operation of domestic floor heating boiler, and expounds the features and energy-saving effects of this technique in the operation.

Applying pulse combustion technology, developed a kind of low NOx exhaust residential boiler which is suitable for outdoor setting.

Unit heating is a preferable way and the market accepts residential boiler gradually, which lead to the development of the concept of "family hot water center".

Based on monitoring datum recent few years, this paper analyses fume ejection initial state of heating boiler in Urumqi city and reason of super-criterion ejection.

A total distributed control system is adopted for a heating boiler, which incorporates such a variety of means as air distribution regulation, frequency regulation and fuzzy control, etc.

The coal burning heating boilers used on present passenger cars are rebuilt.

Automatic operation of middle and small_sized heating boilers;

The paper analyzes the main factors which affect the exergy lose during combustion,heat transfer,smoke emission and auxiliary power equipments in a heating boiler system.

This paper analyzes the reasons of low thermal efficiency of heating boiler and high energy consumption of heating system, and puts forward some effective measures for the comprehensive treatment of energy-saving and environmental protection.