Northline provides professional window and door replacement, installation and specialty services throughout Ottawa and surrounding communities. From older homes in established neighbourhoods to newer developments across the city, we help homeowners improve comfort, efficiency and curb appeal with Canadian-made products built for local conditions.

Our Ottawa service area includes neighbourhoods and communities across the city, including Kanata, Stittsville, Barrhaven, Nepean, Orléans, Gloucester, Alta Vista, Manotick, Greely and Cumberland. Northline services include:

• Window Replacement: Energy-efficient replacement windows available in casement, awning, sliding, hung, fixed, bay and bow, and other configurations.

• Entry Door Installation: Replacement entry doors designed around security, insulation, durability and curb appeal.

• Patio Doors: Sliding and hinged patio door options designed for natural light, smooth operation and year-round performance.

• Egress Windows: Complete egress window installation including permitting, concrete cutting, window wells, drainage and finishing options.

• Tilt & Turn Windows: European-style windows offering flexible ventilation, easy cleaning and modern performance.

  
  

Whether you’re replacing a few aging windows or planning a larger window and door project, Northline provides local service from the first measurements through installation and final walkthrough.