TY  - BOOK
ED  - United States. Department of Energy
TI  - Improving the efficiency of your oil heating system
U1  - 354.43 
PY  - 1990///
CY  - Washington
PB  - Deparment of Energy
KW  - Calefacción
KW  - Calefactores
KW  - Conservación de la Energía
KW  - Estados Unidos
N1  - 02431; Three steps to saving money and energy with oil heating systems : annual servicing and cleaning, turn down the thermostat temperature at - point, and system modificatin or replacement
ER  -