GEM offers free calculators to help you make important decisions when purchasing, building or upgrading an existing property with energy efficient measures. For example, you may want to:

  • Evaluate the costs versus paybacks
  • Calculate loan payments and compare loan programs
  • Understand key aspects of cash flow
  • See how energy efficiency upgrades can affect your property value
  • Get important information to use in the loan application process

Accelerated Mortgage Payment Calculator

Estimate your payments, compare loan borrowing costs and plan for upgrading your property in the future. See how prepaying reduces the length of your mortgage.


Incremental Property Value Calculator

Estimate your realized yearly energy savings to calculate an estimated increase to your property value.


Loan to Value Calculator

Simple tool to figure out down-payment and loan requirements.