Assumptions
Compressors' share of the electricity bill
12 percent
Leaks that can be found and fixed, as a share of the compressors' electricity
10 percent
Pressure that can come off the compressors' setting
6 psi
Cost of one maintenance hour
$40 per hour
Hose, couplings and tape for the leak repairs, per year
$160
Price of an ultrasonic leak detector
$1,500
Electricity bill per year
$600,000
Price of electricity
10 cents per kWh