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Windows

Quality

Window & Patio Doors

A1 Unique Installations has been in the new and replacement window and door business for over 38 years, and we have serviced hundreds of residential and commercial properties throughout St. Thomas, London and Southern Ontario. We know our customers expect the best products and we are committed to delivering only the "best" to our customers.

Casement

Casement windows open like doors. They open smoothly and effortlessly to a full 90° for increased ventilation and easy cleaning. Your choice of left or right opening.

100M Casement 150M Awning-Dec2017-LR

Single Hung

Single Hung windows have the top sash fixed in place while the bottom one slides up and down and tilts in for easy cleaning. They provide superior ventilation and effortless operation.

201BMJ SingleHung57-Dec2017-HRprint

Double Hung

Double Hung windows have the top and bottom sashes that slide up and down and tilt in for easy cleaning. A flexible range of motion for controlled air movement.

210 Double Hung50-Dec2017-HRprint

Single Hung Slider

Single Hung Slider windows have one sash fixed while the other slides horizontally. A smooth functioning window that allows for efficient ventilation. Simple to operate, easy to clean.

275HungSlider76-Dec2017-HR print

Single Lift Out Slider

Single Lift Out Slider windows have one fixed sash. The sashes are designed to lift out for easy cleaning inside the home.  A smooth functioning window that allows for efficient ventilation. Simple to operate, easy to clean.

303 SingleSlider42-Dec2017

Single Tilt Slider

Single Tilt Slider windows have one sash fixed while the other slides horizontally. A smooth functioning window that allows for efficient ventilation. Simple to operate, easy to clean.

300 Tilt Slider53-Dec2017-HR print

Patio Doors

Standard sliding patio doors open by sliding along horizontal tracks at the head and sill of the door. A sliding door can be designed for either a right or left hand operation. While hinged doors require swing room sliding doors do not can accommodate tight spaces.

ultra-patio-door

We have many more window options to choose from

Contact us for more information on colors, styles and what fits your needs best.

(519) 631-8183

Get your FREE

No Obligation Quote

The GreenOn Rebate Program started December 13, 2017.  Now is the time to get the job done with extra savings, up to $5000.

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43872 Talbot Line, St. Thomas, ON N5P 3S7