Pakistan Council of Renewable Energy Technologies Government of Pakistan Ministry of Science and Technology PCRET, 25, H-9, Islamabad, Pakistan Concept Paper for Solar Water Heating For further information Saeed Hussain, In-charge Solar Thermal Division, PCRET, 25, H-9, Islamabad, Pakistan, Fax: 051-9258229 Phone: 051-9258234, Cell Number: 0300-8335518, Email: saeed@pcret.gov.pk, shamsi@comsats.net.pk Inbox: love4all62@yahoo.com