Chiller/Cooling Tower Electrical Energy Savings Calculator How much is scale buildup costing you? The amount can easily run into tens of thousands of dollars. Enter your system values below to see your potential electrical energy cost savings. Select Thickness of Scale on your System: 1/64″ 1/32″ 1/16″ Scale buildup on your system results in efficiency loss 1/64″ Scale Thickness = 4.6% loss1/32″ Scale Thickness = 9.2% loss1/16″ Scale Thickness = 13.6% loss Enter Your System Tonnage: One Ton of A/C Consumes 0.9 KWH/Hour. Enter Your Operating Factors: Days/Year: Hours/Day: Cents/KWH: $ Calculate Clean System Energy Cost: $220,752 Scaled System Energy Cost: $230,907 You Could Save: $10,155