Built locally with Canadian materials, installed by experienced professionals with a full range of styles and insulation levels.
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
Your entry door is the first thing visitors see and the last line of defense against Ontario weather. NTI entry doors are custom built with Canadian materials for durability, energy efficiency, and curb appeal.
NTI patio doors operate on a slim-profile track with steel-reinforced frames for strength and longevity. Available in 2-panel, 3-panel, and 4-panel configurations with custom sizes.
















Canadian-made, Energy Star certified windows and custom doors. Clear pricing. Realistic timelines. 5-star rated across 31 Google reviews.