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Generator Sizing Calculator
There is no doubt that sizing your generator can be confusing, even for the professionals. We have developed a tool that will take the headache out of the process. Our generator sizing calculator will give you a reliable kW rating. Once you have that, finding the right generator will be a piece of cake. Try it now. Don't forget to write a review and let us know if we got it right.
Essential Equipment:
(On each appliance with a motor or motor, there is a nameplate. Enter the nameplate rating of all appliances and motor loads in each box below. If appliance is not listed , use the miscellaneous rows. Do NOT enter heating or cooling loads into this area.)
Section 1: Appliance and Motor Loads with LRAs
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Section 2: Heating and Air Conditioning Loads with LRAs
(The most common heating/ac equipment are listed below with their average ratings. If a piece of equipment is not listed, 1. use an appliance listed with a similar rating or 2. complete this form and add to the totals provided to obtain the estimated size needed. On each appliance with a motor, there is a nameplate with ratings. Most homes will only have 1 or 2 of the selections:
EV Home Chargers (Optional):
Adding These Could Move You Into A Larger Generator, i.e. liquid cooled
Air-Conditioning Equipment:
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Heat Pump(s):
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Electric Space Heating:
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Electric Thermal Storage Heating:
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NOTICE: This calculator is intended for estimating purposes only. Actual power requirements of appliances vary by brand, model and capacity. Always have a qualified electrician analyze your specific requirements before making a purchase decision.
