When selecting the right size generator, consider factors such as power consumption, total power requirements, noise level, and fuel source. Grounded Electric's guide on how to choose a generator for your home explains how to determine the size of a generator you need for consistent performance.
Generator size is measured in watts (W) or kilowatts (kW). Choosing the right size depends on the appliances you want to power. Use our free printable worksheet to calculate your home's power needs. Find the best generators pros in your area. The Modernize Mission
Sizing a home standby generator is about electrical load, not square footage. Add up the running watts (and any starting watts) for the appliances and systems you want powered during an outage to estimate the total. Because this can be complex, schedule a free, no-obligation in-home consultation with a Generac dealer.
Note: Generac customer support cannot size generators because we are not physically onsite to inspect the application, calculate load size, and are not familiar with your local applicable codes. Similarly, we cannot size wiring because we are not on-site to inspect the application, nor are we familiar with any applicable local codes.
This generator calculator is designed to give you a solid starting point to calculate your backup power requirements. It gives you both the running and starting watts you''ll require to run your
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A generator''s power relies on its size. This guide gives you information on choosing the right generator size and what sort of generator you''ll need to power a home.
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Use our generator size calculator to determine the ideal generator size for your home or outdoor activities.
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This chart provides general guidelines for generator sizes. For the most accurate recommendation based on your specific appliances, please use our main calculator below.
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What You Need to Know About Generator SizingMaking Your Power Go Further – Expert TipWatts vs. AmpsEfficiencyResistive vs. Reactive LoadsBe Smart When Starting Appliances – Expert TipCan A Generator Power A Whole House?Connecting A Generator to Your HouseThe Best Generator For Sensitive ElectronicsCan I Use A Generator in An apartment?This depends on the size of your house! Most households will struggle to find a portable generator large enough to power every appliance and electronic device. There''s also a balance between power and cost – high-powered generators are significantly more expensive. At some point, you''re going to need to compromise. If you need to power a refrigerat...See more on primalsurvivor generac
To determine the size of the generator you need, envision what appliances you need during a power outage and use Generac''s sizing calculator or schedule an in-home assessment. Generac offers a
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A generator sizing chart shows how to calculate total power requirements by comparing running and starting watts. Add up the total wattage, including 20 percent extra for surges, and select
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The interactive tool below will help you estimate how powerful a generator you need. Just click on a type of generator to get a sense of what appliances you can run with it.
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To determine the size of the generator you need, envision what appliances you need during a power outage and use Generac''s sizing calculator or schedule an in-home assessment. Generac offers a
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Learn how to size a home generator based on your appliances, wattage needs, and outage goals. Includes a free printable wattage worksheet.
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Learn how to choose the right generator size for your needs. React Power guides you through load calculations to find the perfect power solution.
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This buying guide will help you understand what size generator you need for your specific use case. We will cover the differences in specifications and how to calculate running and
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