Generator Guidelines
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Summary: This helpful generator sizing and selection guideline will help you consider the generator size for the best value when selecting your home generator.
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Generator Guidelines for Sizing a Home Generator System
Use this generator sizing guide to help select the right home generator.
There are a wide variety of home generators to choose from so here are a few guidelines to follow while your looking for the best value. Select a brand that has the features you need at a price you can afford.
Look for pre-wired, pre-packaged solutions, that extend your value even further by making the generator system the absolute easiest to install.
Make sure the generator has an industrial grade engine that is specifically designed for the harsh rigors of standby power, with easy motor starting capability and a enclosure design to protect your generator and your investment.
Generator Sizing Table
Non-Motor Loads - General Residential *
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| Electrical Circuit / Device Description |
kW |
120V-1P |
240V-1P |
| Electric Heat (per 1000 ft home size) |
12 |
NA |
50 |
| Heat Pump Elements (per 1000 ft home size) |
7 |
NA |
29 |
| Electric Dryer |
5.5 |
NA |
29 |
| Hot Tub |
10 |
NA |
50 |
| Electric Range (Oven) |
5 |
NA |
21 |
| Stovetop Burners (each) |
1.5 |
NA |
6 |
| General Receptacles (per 1000 ft home size) |
1 |
8.3 |
NA |
| General Lighting (per 1000 ft home size) |
0.75 |
6.3 |
NA |
| Blow Dryer |
1.25 |
10.4 |
NA |
| Dishwasher |
1.5 |
12.5 |
NA |
| Microwave |
1 |
8.3 |
NA |
| Toaster |
1 |
8.3 |
NA |
| *Guidelines Only. Check nameplate specifications for actual electrical circuit requirements. |
Generator Sizing Table
Motor Loads - General Residential |
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