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Our site is currently under construction
Some links & features may not be working
We’re excited to show you the finished product soon!
Our site is currently under construction
Some links & features may not be working
We’re excited to show you the finished product soon!
Find Trusted Window & Door Installers in Ottawa
Canadian-made products, experienced installation and dependable local service throughout Ottawa and Eastern Ontario
Locally owned · Licensed & insured · 25-year transferable product warranty
★★★★★
4.7/5 Stars
Find Trusted Window & Door Installers in Ottawa
Canadian-made products, experienced installation and dependable local service throughout Ottawa and Eastern Ontario
Locally owned · Licensed & insured · 25-year transferable product warranty
★★★★★
4.7/5 Stars
Find Trusted Window & Door Installers in Ottawa
Canadian-made products, experienced installation and dependable local service throughout Ottawa and Eastern Ontario
Locally owned · Licensed & insured · 25-year transferable product warranty
★★★★★
4.7/5 Stars
Services
Services
Window, door, egress, walkout and sunroom installation services
Window, door, egress, walkout and sunroom installation services
Financing
Financing
Discover Northline's financing & flexible payment options fit for your home
Testimonials
Testimonials
Watch, read & explore Northlines’s customer testimonials
Watch, read & explore Northlines’s customer testimonials
What We Do
What We Do
Window & Door Replacement, Installation & Upgrades
Window & Door Replacement, Installation & Upgrades
From individual replacements to complete window and door upgrades, our team helps Eastern Ontario homeowners find the right products and get them installed properly.
From individual replacements to complete window and door upgrades, our team helps Eastern Ontario homeowners find the right products and get them installed properly.
Our Offer
Our Offer
A More Personal Standard for Windows & Doors
A More Personal Standard for Windows & Doors
A More Personal Standard for Windows & Doors
The Process
The Process
From First Measure to Final Walkthrough
From First Measure to Final Walkthrough
From First Measure to Final Walkthrough
A simple, careful window and door installation process for Ottawa homeowners.
STEP 01
STEP 01
Tell Us About Your Project
Tell Us About Your Project
Tell us what windows or doors you’re replacing and what you need from the project.
Tell us what windows or doors you’re replacing and what you need from the project.
STEP 02
STEP 02
Measure & Recommend
Measure & Recommend
We measure your openings and recommend the right window or door options for your home.
We measure your openings and recommend the right window or door options for your home.
STEP 03
STEP 03
Install With Care
Install With Care
We complete the installation with careful fitting, insulation, sealing and finishing.
We complete the installation with careful fitting, insulation, sealing and finishing.
STEP 04
STEP 04
Final Walkthrough
Final Walkthrough
We review the finished work, confirm proper operation and complete the warranty registration.
We review the finished work, confirm proper operation and complete the warranty registration.
From single window replacements to full-home upgrades, Northline keeps the process straightforward from start to finish.
From single window replacements to full-home upgrades, Northline keeps the process straightforward from start to finish.
Our Warranty
Our Warranty
20-Year Comprehensive Warranty on Windows & Doors
20-Year Comprehensive Warranty on Windows & Doors
20-year coverage on frames and sashes
20-year coverage on frames and sashes
20-year coverage on frames and sashes
20-year coverage on eligible painted finishes
20-year coverage on eligible painted finishes
20-year coverage on eligible painted finishes
20-year coverage on operating hardware
20-year coverage on operating hardware
20-year coverage on operating hardware
Coverage to protect your project’s investment
Coverage to protect your project’s investment
Coverage to protect your project’s investment
We take care of the warranty registration for you once your installation is complete.
We take care of the warranty registration for you once your installation is complete.
Why Trust Our Windows & Doors?
Why Trust Our Windows & Doors?
Built for Canadian Homes. Verified to Perform.
Built for Canadian Homes. Verified to Perform.
Built for Canadian Homes. Verified to Perform.
Canadian-made products backed by recognized performance standards for energy efficiency, durability and year-round comfort.
Canadian-made products backed by recognized performance standards for energy efficiency, durability and year-round comfort.
Questions About Your Project?
Questions About Your Project?
Talk It Through With Us
Talk It Through With Us
Talk It Through With Us
Not sure what type of window, door or egress solution makes sense for your home? Send us a request and someone from our local team will get back to you shortly.
Not sure what type of window, door or egress solution makes sense for your home? Send us a request and someone from our local team will get back to you shortly.
FAQs
Questions Ottawa Homeowners Ask Us
From window replacement and installation to egress, energy efficiency and warranties, here are answers to some of the questions we hear most often from homeowners across Ottawa.
Still have questions?
Get in Touch
How much does window replacement cost in Ottawa?
Are Northline windows and doors made in Canada?
Do new windows help reduce energy costs?
What warranty comes with Northline windows and doors?
FAQs
Questions Ottawa Homeowners Ask Us
From window replacement and installation to egress, energy efficiency and warranties, here are answers to some of the questions we hear most often from homeowners across Ottawa.
Still have questions?
Get in Touch
How much does window replacement cost in Ottawa?
Are Northline windows and doors made in Canada?
Do new windows help reduce energy costs?
What warranty comes with Northline windows and doors?
FAQs
Questions Ottawa Homeowners Ask Us
From window replacement and installation to egress, energy efficiency and warranties, here are answers to some of the questions we hear most often from homeowners across Ottawa.
Still have questions?
Get in Touch
How much does window replacement cost in Ottawa?
Are Northline windows and doors made in Canada?
Do new windows help reduce energy costs?
What warranty comes with Northline windows and doors?
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Windows & Doors By Area
Ottawa Windows & Doors
Kanata Windows & Doors
Orléans Windows & Doors
Barrhaven Windows & Doors
Nepean Windows & Doors
Show More
Popular Window Services
Window Replacement in Ottawa
Door Replacement & Installation
Casement Windows
Triple Pane Windows
Double Pane Windows
Show More
Popular Door Services
Door Replacement & Installation in Ottawa
Patio Doors
Exterior Doors
Fibreglass Doors
Steel Doors
Show More
Windows & Doors By Area
Ottawa Windows & Doors
Kanata Windows & Doors
Orléans Windows & Doors
Barrhaven Windows & Doors
Nepean Windows & Doors
Show More
Popular Window Services
Window Replacement in Ottawa
Door Replacement & Installation
Casement Windows
Triple Pane Windows
Double Pane Windows
Show More
Popular Door Services
Door Replacement & Installation in Ottawa
Patio Doors
Exterior Doors
Fibreglass Doors
Steel Doors
Show More