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Enhance the beauty and value of your home with Energy Star Most Efficient 2018 Windows

Green On Fund windows

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Green On

Get up to $5,000 in rebates for upgrading your home to ENERGY STAR®’s Most Efficient 2018 windows, through the Green Ontario Fund.

Protect your home from the outside elements with rebates for high-performance windows designed to reduce energy loss, condensation and outdoor noise, helping you save on heating and cooling costs while increasing your home’s curb appeal.

What is the GreenOn Windows Rebate Program?

GreenON Rebates for High-Performance Windows available through Green Ontario Fund cover $500/window up to $5,000 when upgrading to select high-performance windows. High-performance windows are designed to reduce energy loss, condensation, and outdoor noise, helping you lower your bills on heating and cooling and increasing your property’s resale value.

Note: the rebate applies for each rough opening. This means that bay or bow windows with more than one glass unit qualify for one rebate only.

Who Can Participate

Ontario residents who live in a detached home, semi, or townhome are eligible for GreenON Rebates. If you rent, you must have the written permission of the landlord.

How it Works

With Sharp Exteriors a certified GreenOn contractor, upgrading your windows and doors is easy. Work with us to purchase and install Energy Star Most Efficient 2018 windows. We will submit your rebate application on your behalf. After the windows have been installed, submit your proof of purchase to the Green Ontario Fund and you will receive your rebate approximately 8-12 weeks. Schedule your Appointment Now!


  • Cut drafts, lower heating and cooling costs and help keep your home temperature consistent by upgrading to high-performance energy-efficient windows.
  • New and improved windows can boost your home’s curb appeal, adding visual interest and can help increase your home’s overall value.
  • Quality windows and doors are available with glass options that can increase the safety and security of your home.

Questions about the GreenON Program?

Contact GreenON Support at 1-888-728-8444 or email to get further information on the Green Ontario Fund.

Funded through proceeds from Ontario’s carbon market, the Green Ontario Fund is a not-for-profit provincial agency tasked with reducing greenhouse gas pollution in buildings and industry to help meet Ontario’s emission reduction targets.

Through programs and rebates the Green Ontario Fund helps people and businesses take climate action into their own hands. Green Ontario Fund Programs not only reduce energy use but help Ontarians grow their savings.

Enhance Your home with new:

Sharp Exteriors

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