Offer valid until August 1st, 2025
FREE Triple-Pane Glass
Get three layers of thermal insulation to keep your home cooler in the summer, warmer in the winter — and quieter all year round.
FREE Exterior Colour Upgrades
Personalize your home with stylish, factory-applied colours that match your vision — without paying a premium.
Plus: More Ways to Save!
$250 Instant NTI Rebate on every window and door replaced*
Up to $5,000 in Government Rebates for ENERGY STAR®-certified upgrades*
Up to $40,000 Interest-Free Loan through the Canada Greener Homes Loan*
Additional rebates of $100 per window*
What Our Customers Are Saying
The NTI Windows & Doors Difference
We go beyond basic replacements — every window and door is tailored, warrantied, and professionally installed.
Window Styles You’ll Love
Casement Windows
Easy to operate and provide excellent ventilation.
Casement Windows
Ideal for rainy climates; allows ventilation while keeping out the rain.
Slider Windows
Space-saving design with smooth horizontal operation.
Bays/Bow Windows
Space-saving design with smooth horizontal operation.
Hung Windows
Space-saving design with smooth horizontal operation.
Tilt & Turn Windows
Space-saving design with smooth horizontal operation.
Door Styles You’ll Love
Entry Doors
Easy to operate and provide excellent ventilation.
Patio Doors
Ideal for rainy climates; allows ventilation while keeping out the rain.
Garage Doors
Space-saving design with smooth horizontal operation.
Proudly Serving Southern Ontario
NTI Windows is your trusted window and door partner across Southern Ontario, offering expert service and high-performance products to homeowners in:
Oakville • Burlington • Downtown Toronto • Hamilton • Niagara Falls • St. Catharines • Richmond Hill • Forest Hill • Markham • Thornhill • Maple • Vaughan • Woodbridge
Not sure if you’re in our service area? Call us to find out!
Offer available for a limited time. Restrictions apply.
