Free Tools
These free tools help homeowners estimate generator size, installation cost, fuel use, runtime, affordability, financial return, and maintenance needs — so you can plan a standby generator project with realistic numbers.
Estimate the generator capacity needed to power your essential appliances and household systems.
Open tool →Estimate the likely cost of purchasing and installing a whole house generator based on your state and site specifics.
Open tool →Explore estimated monthly payments and determine how a generator may fit your household budget.
Open tool →Estimate hourly, daily, monthly, and annual generator fuel costs based on fuel type, generator size, and load.
Open tool →Estimate how long a generator may operate based on fuel supply, generator size, and electrical load.
Open tool →Build a custom appliance list and estimate running watts, starting watts, and recommended generator capacity.
Open tool →Estimate potential long-term financial value based on installation cost, outage exposure, and avoided losses.
Open tool →Estimate the potential break-even timeline for a standby generator investment.
Open tool →Create a practical maintenance schedule based on generator type, fuel, climate, and usage.
Open tool →Once you have a sense of generator size and cost range, request free quotes from independent local installers — no obligation to hire anyone who contacts you.
