Electric Hot Water Heater: Difference between revisions
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*20kw = 240V * 80A | |||
*13 cents per kWhr - means 7 hr at 20kw * $0.13/kwhr = $18.20 per heat | |||
Latest revision as of 01:45, 26 October 2020
Calculations
- Take water from 55F to 75F -
- Recommended - 75-82F [1]. Comfortable- 85-89F [2]
- Water Heating Calculator.
- Pool - 20x5x4 feet = 400 cu ft
- 20kw = 240V * 80A
- 13 cents per kWhr - means 7 hr at 20kw * $0.13/kwhr = $18.20 per heat