The condensing gas water heater is more expensive than conventional gas water heater for consumers.
与普通燃气热水器相比，冷凝式燃气热水器对于消费者价格偏高。
The study result shows that the condensing gas water heater is characterized by high efficiency, energy saving and environmental protection.
研究结果表明这种冷凝式燃气热水器具有高效、节能和环保的特点。
Based on common instantaneous gas water heater, the condensing gas water heater is developed, and the experimental study on its thermodynamic performance is made.
在普通燃气快速式热水器的基础上，研究开发了冷凝式燃气热水器，对其热工性能进行试验研究。
The condensing water heater has a considerable energy-saving potential, and reducing the flue gas temperature can effectively enhance the thermal efficiency of gas water heater.
冷凝式热水器具有相当大的节能潜力，降低排烟温度可有效提高热水器热效率。
The condensing water heater has a considerable energy-saving potential, and reducing the flue gas temperature can effectively enhance the thermal efficiency of gas water heater.
冷凝式热水器具有相当大的节能潜力，降低排烟温度可有效提高热水器热效率。
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