Calculator For Large Coolers & freezers, Electric Water Heating
ROI & Savings Calculator for customers using HotSpot heat recovery with large coolers or freezers, savings compared to electric kWh rate.
Select your ATT (Average Tank Temperature). If you don't know it, look here.
2. Enter your compressor size in tons. If two compressors will be used, add them together.
3. Enter your kWh rate from your electric bill.
4. Enter daily run time. For walk-in or large coolers, freezers, use 16 hours.
5. Enter annual percentage of use. For all coolers and freezers, use 100%.
6. Enter system cost. If not known, contact HotSpot for a budgetary estimate.