Inquiry (采购产品): on-demand for residence I have purchased a 'passive solar' home and should like any inforamtion and an idea of the cost of on-demand hot water for this house. Any assitance would be much appreciated. Thanks. Lil & Louis Belusa-Roberts **** Hidden Message ***** Louis Belusa-Roberts 2 Sandlewood Circle Madison, WI 53716 USA Company: Corovan bvba Phone: 608-221 2264 E-mail: louis_lil@msn.com **** Hidden Message ***** louis_lil@msn.com