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[ Free Tool ]

Window Energy Savings Calculator

Estimate potential annual heating savings from upgrading old windows to Energy Star Zone C systems.

Roughly what you spend on heating per year

Estimated Annual Savings

$360

10-Year Savings
$3,600

Estimates only. Actual savings vary by home, usage and energy prices.

See What You Could Save

Ask about Energy Star Zone C systems and Canada Greener Homes rebates.

Prefer to talk it through?

Call (437) 524-9688
Free in-home consultation across the GTA

Want the Real Number?

A free in-home measurement gives you itemised pricing per opening, with the glazing package and install method stated in writing.

  • 10-year labour warranty
  • In-house crews, never subcontractors
  • Energy Star Zone C certified
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