Advantages of a heating system for a women's residence hall are discussed. The compact unit eliminated the need for a sizable prime water storage tank through the principle of indirect firing. Scalefree operation was maintained through three systems--(1) a combustion system, (2) a forced circulation heat-transfer system, and (3) a system for storage, water heating, and temperature control. Heating capacity of the unit was 1115 gph at 100 degrees F. rise with 1540 gallons storage. A description of system components is included in the discussion. (MH)