Energy Savings Helper
Massachusetts Energy Calculators
Estimate your annual energy and dollar savings from home efficiency upgrades. Based on MA TRM 2025-2027.
HVAC
MASmart Thermostat
Calculate annual energy and cost savings from installing a Wi-Fi smart thermostat in Massachusetts, based on Mass Save TRM deemed savings.
Water Heating
MAHeat Pump Water Heater
Calculate annual energy and cost savings from installing a heat pump water heater in Massachusetts, using Mass Save TRM deemed savings values.
Weatherization
MAWindow Replacement
Calculate annual energy and cost savings from replacing single pane windows with ENERGY STAR triple pane windows in Massachusetts.