Calculators

Estimate the recommended generator size for a jobsite based on total running watts, highest motor starting surge, desired headroom, power factor, and site conditions.

Estimate the recommended generator size for a construction site based on total running load, highest motor startup surge, demand factor, site voltage, and future capacity reserve.

Estimate the minimum recommended generator size in watts for welding based on welder output current, arc voltage, duty cycle, and generator headroom.

Estimate the total generator wattage needed by adding running watts for common appliances, adjusting for starting surge, and including a safety margin for reliable portable generator sizing.

Estimate the recommended generator wattage for camping based on continuous appliance load, startup surge, daily usage, and campsite power margin.

Estimate the recommended generator wattage for an RV based on running appliance load, startup surge, climate-related air conditioner usage, and a safety margin.

Estimate the recommended generator running wattage for a travel trailer by combining base trailer loads with air conditioner size, microwave use, battery charging, and a startup surge margin.

Estimate the recommended generator running wattage for a camper based on major appliance loads, air conditioner size, expected simultaneous use, and a startup surge safety factor.

Estimate the recommended generator size in watts for a motorhome based on the main air conditioner load, additional appliance running watts, startup surge allowance, and a safety margin for reliable operation.

Estimate the minimum generator wattage needed for a food truck based on refrigeration, cooking equipment load, lighting and POS load, daily runtime, and a startup surge safety factor.

Estimate the recommended generator size needed to run an air conditioner based on cooling capacity, efficiency, startup surge, and any additional running load.

Estimate the generator size needed to run a central air conditioning system based on AC capacity, SEER rating, startup surge factor, and whether other essential household loads will run at the same time.

Estimate the minimum generator size needed to run a heat pump based on running wattage, startup surge, backup loads, and a safety margin.

Estimate the recommended generator running wattage for a refrigerator by accounting for fridge size, rated running watts, startup surge multiplier, ambient temperature, and desired safety margin.

Estimate the recommended generator running wattage for a freezer by accounting for freezer size, freezer type, compressor efficiency, starting surge, and additional headroom for reliable startup and operation.

Estimate the recommended generator size for starting and running a well pump based on pump horsepower, pump voltage, motor type, starting method, and system efficiency margin. The calculator returns the suggested generator wattage needed to handle motor starting surge and continuous operation.

Estimate the recommended generator running wattage for a sump pump based on pump horsepower, voltage, motor efficiency, power factor, and startup surge multiplier.

Estimate the recommended generator size in kilowatts for running an electric furnace based on furnace heating capacity, blower motor size, heating element efficiency factor, and desired startup safety margin. The calculation converts furnace BTU input to electrical demand, adds blower load, and applies extra capacity for startup and continuous operation.

Estimate the recommended generator size in running watts for a gas furnace based on blower motor wattage, startup surge, additional essential loads, furnace efficiency, and altitude derating.

Estimate the recommended generator running wattage needed to power common household appliances, including extra capacity for startup surges and a safety margin.

Estimate the recommended whole-house generator size in kW based on home size, HVAC load, electric appliance demand, starting surge allowance, and desired fuel type efficiency factor.

Estimate the installed cost of a whole home standby generator based on generator size, fuel type, installation complexity, transfer switch setup, and electrical panel distance.

Estimate the recommended standby generator size in kilowatts based on total running load, largest motor starting surge, desired safety margin, fuel type efficiency factor, and whether central air conditioning is included.

Estimate the recommended standby generator size in kilowatts based on running load, motor starting surge, demand factor, and future expansion allowance.

Estimate the recommended backup generator size in kilowatts based on essential running load, starting surge, fuel type efficiency, desired safety margin, and whether the system is for whole-home or essential-circuits coverage.

Estimate the recommended emergency generator size in kW based on total running load, starting surge, desired load coverage, and power factor.

Estimate the total generator wattage needed for a house by combining running watts for key appliances, applying a startup surge factor, and adding a safety margin for reliable operation.

Estimate the recommended backup generator size in watts for your home based on running load, startup surge, outage strategy, fuel type, and safety margin.

Estimate the total cost for an essential circuits generator setup based on generator size, number of essential circuits, transfer switch type, installation complexity, and labor rate.

Estimate the recommended generator size in watts based on the combined running load of appliances, added startup surge capacity, desired safety margin, and whether the generator is intended for continuous or occasional backup use.