TABLE 2

Estimated Annual Operating Cost for each type in the "Standby Mode"

BEFORE THE FIRST DROP OF WATER HAS BEEN USED.

SEISCO: 131.kWh at $0.084/kWh:……....$11.00 (US)

50 gal. electric storage-tank:…………….$60.00-$80.00

50 gal. natural gas storage-tank:………..$140.00-$180.00

75 gal. natural gas storage-tank:………..$175.00-$205.00

50 gal. LPG gas storage-tank:…………..$200.00-$250.00