领先热水器制造商A. O. Smith(m.cncanhe.com) announced the launch of its newest high-efficiency residential water heater, the Vertex™ 100 Power Direct Vent 75-Gallon Gas Water Heater.
75加仑版本的最先进的Vertex™系列的延伸是一种能源之星®合格产品,拥有高达96%的热效率,有助于消费者节省金钱以及帮助地球。
“When we first introduced the Vertex line, A. O. Smith …



