Energy Efficiency Calculator
Analyze your home's energy efficiency and improvement potential. Get your energy rating and discover opportunities for cost savings.
Energy Efficiency Calculator
Analyze home energy efficiency and improvement potential
Monthly energy usage
Cost per kilowatt-hour
Total living space size
Energy Rating Scale
Understanding the A-G energy efficiency rating system
A
B
C
D
E
F
G
Most Efficient
Very Efficient
Efficient
Average
Below Average
Poor
Least Efficient
Key Improvement Areas
Focus areas that can significantly improve your home's energy efficiency
Insulation
Improve wall, loft, and floor insulation
Heating System
Upgrade to efficient boiler or heat pump
Windows
Install double or triple glazing
Smart Controls
Add programmable thermostats and zones