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 MIL-HDBK-1003/13A
Table 3-6.
Solar System Component Cost Estimates.[a]
Item
Space/DHW ($/ft2) DHW ($/ft2)
Antifreeze (Heat transfer
fluid)
0.60
0.060
Pumps, pipe, controls
4.75
6.75
Heat exchanger
2.00
2.00
Auxiliary heater
Gross amount
7.00
1.30
Less value of conventional
(4.00)
(1.30)
system
Auxiliary heater, net
2.75, net
0, net
[a] December 1984.
Table 3-7. Solar Collector Prices.[a]
Type
Unit Selling Price
($/ft2)
Plastic, no cover
6.00
Aluminum and copper single glaze
10.00-22.00
Copper, double glazed
20.00-30.00
Aluminum, single glaze free flow
8.00-15.00
(trickle)
Plastic, single glaze with insulation
8.00-13.00
[a] December 1978.
NOTES:
1.
See Table 2-6 for more specific comparison of
cost, collector type, performance, etc.
2.
Installed cost is usually double (80%-100%) the
selling price.
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