Tool 4 of 5
Upgrade Payback
Contractors quote the cost. This works out the other half: how much the project saves you each month, and how long before it has paid for itself.
No account needed. Your numbers are used to calculate your results.
Your project
optional
optional
optional
What you expect to save
Use figures you can defend — an energy audit, a contractor's written estimate, or your own bill history. If you're not sure, enter a low number and see whether the project still makes sense.
optional
optional
optional
optional
years
Enter your project cost to see the numbers.