BPI ENERGY AUDITOR STUDY GUIDE
1 therm of natural gas - Answers - 100,000 BTU
1 gallon of heating oil - Answers - 139,000 BTU
1 gallon of propane - Answers - 92,000 Btu
Units of energy - Answers - BTU
MMBtu - Answers - 1,000,000 British Thermal Units
MMBtu - Answers - evaluate and compare HVAC systems and to compare annual
heating loads
Watt - Answers - electric unit of measure
1 kW is equal to - Answers - 3412 BTU
1 kW equals how many watts - Answers - 1000
1 kWh equals how many watts for one hour - Answers - 1000
Watts = - Answers - Volts x Amps
ten 60w bulbs burning for 5 hours would use 3000w of power or 3 kwh - Answers - 10
bulbs x 60w x 5hr = 3000wh or 3kwh (3000wh / 1000w / kw)
seasonal loads - Answers - load that are used during a particular season such as
heating/air conditioning and pool pumps
baseloads - Answers - everything used year round such as plugs, water heating,
refrigerator and lighting.
∆T - Answers - change in temperature
what is the ∆T if the inside temp it 82 and the outside temp is -5 - Answers - 87 total
difference in temperature
design temperature - Answers - the temp at which the HVAC system is designed to
operate and maintain the temp 99% of the time.
winter is above design temperature and summer is below design temperature.
1 therm of natural gas - Answers - 100,000 BTU
1 gallon of heating oil - Answers - 139,000 BTU
1 gallon of propane - Answers - 92,000 Btu
Units of energy - Answers - BTU
MMBtu - Answers - 1,000,000 British Thermal Units
MMBtu - Answers - evaluate and compare HVAC systems and to compare annual
heating loads
Watt - Answers - electric unit of measure
1 kW is equal to - Answers - 3412 BTU
1 kW equals how many watts - Answers - 1000
1 kWh equals how many watts for one hour - Answers - 1000
Watts = - Answers - Volts x Amps
ten 60w bulbs burning for 5 hours would use 3000w of power or 3 kwh - Answers - 10
bulbs x 60w x 5hr = 3000wh or 3kwh (3000wh / 1000w / kw)
seasonal loads - Answers - load that are used during a particular season such as
heating/air conditioning and pool pumps
baseloads - Answers - everything used year round such as plugs, water heating,
refrigerator and lighting.
∆T - Answers - change in temperature
what is the ∆T if the inside temp it 82 and the outside temp is -5 - Answers - 87 total
difference in temperature
design temperature - Answers - the temp at which the HVAC system is designed to
operate and maintain the temp 99% of the time.
winter is above design temperature and summer is below design temperature.
