California Energy Calculators
Estimate your annual energy and dollar savings from home efficiency upgrades. Based on California eTRM.
Heat Pump Upgrade
Calculate annual energy savings from upgrading to a heat pump in California. Whether you're replacing a gas furnace, gas wall heater, or upgrading an existing AC or heat pump, this calculator uses deemed savings from the California eTRM to estimate your savings.
Smart Thermostat
Calculate annual energy savings from installing a smart thermostat in California using deemed savings from the California eTRM.
Gas Storage Water Heater
Calculate annual energy savings from upgrading to a high-efficiency gas storage water heater in California using deemed savings from the California eTRM.
Heat Pump Water Heater
Calculate annual energy savings from installing a heat pump water heater in California, whether you're replacing an electric, gas storage, or gas tankless water heater. Uses deemed savings from the California eTRM.
Tankless Water Heater
Calculate annual energy savings from replacing a gas storage water heater with a tankless (instant) gas water heater in California using deemed savings from the California eTRM.
Ceiling Insulation
Calculate annual energy savings from adding ceiling insulation (attic batts) to your California home using deemed savings from the California eTRM.
Wall Insulation
Calculate annual energy savings from adding blow-in wall insulation to your California home using deemed savings from the California eTRM.