Home Energy & Appliances Calculators
Find what appliances really cost to run. Calculate heat pump, pool pump, refrigerator, and HVAC energy use, plus backup power for home essentials.
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Space Heater Circuit Load
Determine if a home circuit can safely handle one or more space heaters, preventing overloads and fire hazards.

Home Gym Equipment Power Consumption Calculator
Estimate electricity consumption and monthly cost for home gym equipment based on usage.

Robot Vacuum Charging Cycles Calculator
Estimate battery degradation and remaining run time for robot vacuum cleaners based on usage patterns and charging habits.

Dehumidifier Running Cost
Estimate daily, weekly and monthly electricity cost for home or commercial dehumidifiers.

Portable AC Power Draw
Estimate running and starting watts for portable air conditioners and check circuit safety.

Well Pump Power Requirements
Estimate running and starting watts for your submersible well pump. Size generators and breaker circuits using total dynamic head and efficiency.

Pressure Washer Power & Circuit Requirements
Determine power draw and appropriate circuit size for electric pressure washers based on PSI and flow rate.

Electric Water Heater Cost
Estimate daily, monthly, and annual operating costs for electric water heaters.

Mini Split AC Power Usage
Estimate hourly, daily, monthly and annual operating cost for mini split air conditioners or heat pumps.

Electric Fireplace Energy Cost
Estimate monthly and annual operating costs for electric fireplaces.

Refrigerator Energy Cost
Estimate annual operating cost and savings from upgrading refrigerators.

Pool Pump Energy Usage
Estimate daily and monthly energy consumption for residential pool pumps to optimize runtime and save on bills.

Heat Pump Power Consumption
Calculate electricity usage and costs for heat pump systems based on home size, climate zone, and efficiency ratings.

Solar Water Heater Pump
Size circulation pumps and estimate running costs for your solar water heater. Enter collector area, vertical head, and your electricity rate.
Browse all 16 Home Energy & Appliances Calculators
- Dehumidifier Running Cost
- Electric Fireplace Energy Cost
- Electric Water Heater Cost
- Heat Pump Power Consumption
- Home Gym Equipment Power Consumption Calculator
- Mini Split AC Power Usage
- Pool Pump Energy Usage
- Portable AC Power Draw
- Pressure Washer Power & Circuit Requirements
- Refrigerator & Freezer Power Backup
- Refrigerator Energy Cost
- Robot Vacuum Charging Cycles Calculator
- Solar Water Heater Pump
- Space Heater Circuit Load
- Well Pump Power Requirements
- Whole-Home UPS/Backup Power