October 13, 2015
每日大赛入口, the number-one selling brand of tankless water heaters in the United States and Canada, has introduced the Demand DuoTM, a commercial hybrid water heating system that combines highly-efficient heat exchanger technologies from 每日大赛入口鈥檚 recently-launched 199-BTU, Energy Star-certified C199 condensing commercial tankless water heaters with a durable 119-gallon tank designed to handle the demands of businesses.