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1 con-
4-34. f
in of
7 of
-il. den
ventilation
4-30. a building has a heat loss of 100 mbtu/hr at design
conditions at the geographical location where you re-
side. calculate fuel consumed over the heating season
at the geographical location where you reside. base
your analysis on the following fuels and efficiencies:
a. natural gas (80% efficiency)
b. natural gas (92% efficiency)
c. liquid petroleum gas/propane (80% efficiency)
d. fuel oil number 2 (78% efficiency)
e. electricity, resistance heating (100% efficiency)
f wod.
un-
me
ine
en-