HowMuchWatts
Explore home energy costs with transparent calculators
Home energy
Monitor and manage residential electricity, heating, generation, or storage to understand household energy needs.
Ventilate
Plan natural ventilation around your home and local weather
EcoEnergyCalc
Compare household energy use and running costs
SunMetricLab
Estimate solar sizing and costs with adjustable inputs
SunPower
Explore home solar panels, battery storage and installation options
CoolClimate Calculator
Estimate household emissions and compare practical ways to reduce them
Zendure
Solar batteries and monitoring tools for managing household energy storage
ecobee
Control home heating and cooling with connected thermostats and sensors
Carbon Footprint Calculator
Calculate personal emissions from energy use, travel and everyday purchases
Sunrun
Arrange home solar and battery installation with ongoing system support
Tibber
Manage household electricity use and connected devices through an energy app
Emporia Energy
Monitor household electricity and coordinate chargers and connected devices
Otovo
Monitor home energy equipment and arrange maintenance or repairs
Wiser
Schedule heating and hot water with expandable room control
Sense
Understand electricity use through energy monitoring
EnergySage
Compare quotes for home energy upgrades
tado°
Control compatible home heating from an app
EcoFlow
Portable power stations and home energy equipment