Six quick questions and we rank Generac, KOHLER, Cummins, Cat, Briggs & Stratton, Champion, Westinghouse and Honda for you.
These tools give planning-level estimates from typical values. They are not quotes, designs or engineering advice, and results depend on your actual home, equipment and local conditions. We confirm everything with a free on-site assessment.
Property type, loads, noise, fuel, budget and solar interest.
Each brand is scored against your answers using simple, transparent rules.
A ranked list with plain-English reasons and links to official sites.
We check your loads and confirm the best fit.
No. The scoring uses the same rules for every brand and is based on the manufacturers' own published product focus.
Several brands usually fit. The reasons help you choose.
It narrows the options. We confirm with a site visit.
Generator Size CalculatorTick the appliances you want to keep running and get a planning size in kW, with starting surges included.Try it 
Installation Budget PlannerChoose your size, fuel, switch and site conditions and get a ballpark installed range with a monthly payment.Try it 
Outage Cost CalculatorAdd up food, lodging, lost work and damage risk to see what an outage really costs your household or business.Try it 
Runtime and Fuel CalculatorEstimate propane gallons or natural gas use for your generator size and load, and how long a tank will last.Try it 
Residential Standby GeneratorsAn automatic generator that starts itself in seconds, so a storm never becomes a house full of spoiled…Explore 
Commercial GeneratorsKeep the doors open, the registers running and the cooler cold: commercial backup power built around your business.Explore 
Portable Generator HookupUse the portable generator you already own the safe way: a weatherproof inlet and a transfer switch instead…Explore Free assessment. Honest sizing. Clear pricing. A generator that starts when you need it.
