When buying a Coleman power generator, make sure it puts out the amount of wattage needed. Also, know the cost of accessories or fuel needed to hook up and run the generator.
To determine the amount of wattage needed from the generator, check the UL label on the appliances or a wattage guide and compare that number to the generator's output. For example, a portable heater typically requires 1500 watts, so for a generator to run a heater, the generator needs to put out a minimum of 1500 watts of power. Check to determine if adapter plugs are needed to plug appliances into the generator because buying adapters adds to the cost of using the generator. Check on the cost of fuel for the generator as well as the cost of storage tanks for the fuel.