Objective THE POSSIBILITIES WERE STUDIED OF IMPROVING THE EFFICIENCY OF BOILERS FOR DOMESTIC HEATING (80 DEGREES C, 100 KW). CALCULATIONS AND MEASUREMENTS SHOW THAT ENERGY SAVINGS UP TO 25 % ARE POSSIBLE. HEAT RECOVERY FROM EXHAUST GASES, SHUTTING OF THE BOILER FROM THE HEAT DISTRIBUTION SYSTEM WHEN IT IS NOT IN OPERATION, AND EXHAUST GAS VALUES HAVE PAYBACK TIMES OF 1.7; 0.5 AND 2.6 YEARS RESPECTIVELY. A COMPUTER SIMULATION MODEL HAS BEEN DEVELOPED FOR THE SELECTION OF BOILERS IN EXISTING AND NEW BUILDINGS. FOR DIFFERENT OPTIONS THIS COMPUTER MODEL CALCULATES THE EXPECTED ENERGY SAVINGS AND THE PAYBACK TIME. IT MAY BE CONSIDERED AS A SUPPLEMENT TO COMPUTER SIMULATION MODELS FOR THE THERMAL BEHAVIOUR OF HOUSES WHICH ARE BEING DEVELOPED UNDER THE TOPIC "CHARACTERISTICS OF HOUSES". Programme(s) PRE-ENNONUC 2C - Energy research and development programme (EEC), 1979-1983 Topic(s) Data not available Call for proposal Data not available Funding Scheme Data not available Coordinator HEATING AND REFRIGERATION EU contribution No data Address ENGINEERING DIVISION P.O. BOX 342 7300 AH APELDOORN Netherlands See on map Total cost No data