Tue Aug 19 19:52:58 EDT 2008
Heating analysis of an oil-heated residential home.
Quick and dirty method based on oil consumption data.
Oil Net Heat Value implicilty includes system efficiency.
 
#----------------------Input---------------------#
Net oil HV			115000.		(BTU/gal, net Heat Value) 	
Gallons consumed		750.		(gallons) 	
Time period			7		(oil-consuming months of winter)
T(avg,inside)			66		(average indoor tempereture, F)	
T(avg,outside)			40		(average outside tempereture, F)
T(min,outside)			-20		(minimum outside tempereture, F
Cost of oil			4.65		(US$ / gallon)
COP				3.75		(use manufacturer's data)
$$/kW-hr			.159		(cost of electricity)
Installation Cost		25000.		(for heat pump system)
 
#----------------------Output--------------------#
Oil $/mth                         498
Heat BTU/hr                     17113
UA                                658
Cold Day BTU/hr                 56605
Heat Pump kWatts                 1.34
Heat Pump $/mth                   153
Savings $/mth                     345
Breakeven years                  10.3
 
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