For Beauty and Performance, Choose Ostaco
Windows and Doors


Get Your Windows and Doors Installed by the Experts in Muskoka



Ostaco is the clear choice for windows and doors that are both beautiful and strong.

Your cottage or home will look beautiful inside and out. You’ll also enjoy increased energy efficiency and comfort. Ostaco windows and doors are known for lasting quality. Their stellar track record spans over three decades of reliable performance.

All Ostaco products carry the Energy Star rating. They have been tested and are certified at the highest levels by the National Fenestration Rating Council (NFRC). The 20-year Ostaco Warranty is one of the best in the industry.

As an official supplier, Muskoka Window and Door Centre offers a wide selection of Ostaco products. All Ostaco windows come in custom sizes and are manufactured to your specifications.

Your Choice of Ostaco Windows

  • Casement and Awning Windows – Clean Look with Built-In Details
    • Complete line of fully accessorized casement windows
    • Energy-saving design
    • Casement windows have screen options to let cool air in while preventing insects and pollen from entering your home
  • Single Hung and Slider Windows – Beautiful and Energy-Efficient
    • Creates the perfect look
    • Hundreds of possible configurations to meet every need
    • Solitary sash operation of the single hung and slider to increase your energy efficiency
  • Double Hung and Double Slider Windows – Flexibility of Style
    • Greater flexibility in your hung/slider choice by allowing both sashes to operate freely within the frame
    • Option of being able to operate one or both sashes
    • Excellent choice for renovations and new constructions
  • Entry Doors – Designed to Make a Statement
    • Adds significant value to your cottage or home.
    • Each component is designed to work together as part of a complete system for maximum energy efficiency and security
    • Tru Defense® Door System maximizes the seal between the door and the frame to keep out the damaging effects of wind and rain, and increase energy efficiency
  • Patio Doors – Built for Your Muskoka Home or Cottage
    • Choice of Core or Moose Patio Doors
    • PollenTec allergy screen that allows fresh air to flow indoors while filtering out pollens
    • Wide range of decorative grilles and energy-smart glazing options to give your door a custom-designed look

Can’t decide which Ostaco windows or doors to pick? We can help.

Contact Ostaco’s Official Supplier in Muskoka for Expert Window and Door Installation

As a Muskoka Window and Door Centre customer, you will enjoy high quality products and exceptional service. Our installers are trained to ensure a perfect fit and problem-free operation of your Ostaco windows and doors. They do their best job every day. A 5-year workmanship and materials warranty further assures you of quality.

If you have questions regarding Ostaco windows and doors, please give us a call at 705-645-3057 or call  800.461.5495.