Focusing on trends in the HVAC heating industry, we share technical know-how and industry information related to electric heating, photovoltaic hot water and HVAC accessories.
How to Understand Thermal Efficiency of Coal-to-Electricity Electric Boilers: Key Points for Engineering Procurement Selection
When purchasing electric boilers for coal-to-electricity projects, thermal efficiency is one of the core indicators reviewed by engineering teams. Some procurement staff new to electric heating equipment do not understand testing standards and practical meaning of thermal efficiency and judge equipment quality only by numerical values. In fact, thermal efficiency of electric boilers should be assessed combining test conditions and application scenarios instead of relying on a single parameter.
Thermal efficiency of an electric boiler refers to the ratio of electric energy converted into usable heat. Tests are carried out under standard working conditions following relevant national testing specifications. At actual project sites, building insulation, pipeline loss and power supply stability all affect overall heating consumption of the whole system. The same electric boiler will show different energy consumption in well-insulated houses and old rural buildings with poor insulation.
Besides checking thermal efficiency parameters on test reports during model selection for coal-to-electricity projects, contractors should attach importance to long-term stability of equipment. Some equipment shows good nominal parameters but suffers performance decay after continuous long-hour operation through the long heating season and affects heating outcomes. For large-scale coal-to-electricity projects, contractors tend to choose original manufacturers with complete test reports and qualifications.
Electric boilers for coal-to-electricity use produced by Zhongshan Optun Electric pass full performance tests before delivery. Complete supporting test documents are available for project filing. When cooperating with contractors on site surveys, Optun technical teams remind engineering teams to evaluate building insulation and reduce pipeline heat loss to better exert equipment performance.
Many northern coal-to-electricity renovations target old houses with uneven wall insulation. When assisting contractors with site surveys, Optun recommends power ratings according to building conditions to avoid insufficient heating output from undersized equipment or resource waste from oversized equipment.
For HVAC contractors, Zhongshan Optun Electric can provide test reports and specification sheets for proposal making and bidding. Our factory locates in Fusha Town, Zhongshan. Clients may schedule factory visits to inspect production and full-machine testing workflows of electric boilers.
Procurement for coal-to-electricity projects is a comprehensive evaluation task covering qualifications, delivery cycles, operation support and equipment performance. Contractors with procurement demands for coal-to-electricity heating equipment may contact Zhongshan Optun Electric to inquire about electric boiler parameters and supporting project solutions.
