When the electricity goes out, an emergency generator can power a home so that essential tasks aren’t put on hold. Luckily, homeowners who are wondering “How big of a generator do I need ...

Adding up the running watts and the highest starting wattage of all the devices you wish to power with a generator will help ...

A gas piping module, the first in a series of enhancements to the Power Design Pro™ software, a generator sizing tool, has been added. The gas piping module is used to determine the required pipe size ...

Doosan Portable Power introduces doosanpowerfinder.com — an online generator sizing tool, designed to help customers, Doosan dealers and equipment rental businesses, quickly and easily match ...

Another option is our wattage calculator, which adds up the wattages from a list of appliances you check off to help you determine the right generator size.

Then do the math: Volts multiplied by amps equals watts. Or go online and look up the specs. Generac also has an online portable-generator sizing calculator you can use as a guide.

The best tip for buying a portable home generator: Don't wait until the lights go out. What you should look for and expect to pay.