Inquiry (采购产品): Hydronic in floor heat I have a 3000 sq-ft house with a gas boiler. The cost of gas has reached the cost of electricity and I am interested in the possibility of changing to an electric water heater/boiler to replace my NG one. need heat exchanger capability so I can use for in floor and hot water. **** Hidden Message ***** Norman Holman 97031 Company: NB Holman PE E-mail: brentmarty@charter.net **** Hidden Message ***** brentmarty@charter.net