Free Energy Calculators
Energy Efficiency Calculators
Use our free calculators to estimate your energy savings, carbon footprint, and find the best efficiency improvements for your home
5
Free Calculators
2min
Quick Results
100%
Free to Use
£1000s
Potential Savings
Most Popular
Carbon Footprint Calculator
Calculate your household's carbon emissions and discover ways to reduce your environmental impact
- Household emissions estimate
- Personalized reduction tips
- Annual savings potential
High Savings
Solar Panel Calculator
Estimate your potential savings and return on investment from installing solar panels
- Installation cost estimate
- Annual energy savings
- ROI calculation
ECO4 Available
Heat Pump Calculator
Find out how much you could save by switching to an efficient heat pump system
- Efficiency comparison
- Running cost analysis
- Government grant eligibility
Quick Results
Insulation Calculator
Calculate potential heat loss reduction and energy savings from home insulation
- Heat loss calculation
- Insulation type comparison
- Cost vs. savings analysis
Free Upgrade
Boiler Efficiency Calculator
Compare your current boiler efficiency and see potential savings with a new A-rated boiler
- Current efficiency rating
- Upgrade savings estimate
- Free boiler eligibility
Why Use Our Calculators?
Make informed decisions about your home improvements with accurate, personalised calculations
Accurate Estimates
Our calculators use industry-standard formulas and current energy prices for precise results
Savings Insights
Discover potential savings and payback periods for various home improvements
Tailored Advice
Get personalised recommendations based on your home type and current energy usage
Ready to Start Saving?
After using our calculators, check if you qualify for a free boiler through the ECO4 scheme