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Ottawa’s Trusted Windows Experts



Our windows & doors manufacturer offers:

  • 50 Years of Combined Experience
  • 20 Year Warranty on Products & Labour
  • Energy Efficient Products
  • SAWDAC-Certified Installers
  • Large Selection & Custom Orders
  • Up to 100% Financing
  • Quick Turnaround Time

*Some conditions apply1


Request a Free In-Home, No-Obligation Quote

We manufacture so you SAVE!

Our competitors’ warranties may seem a little blurry.

At Dalmen Pro, it’s 20/20


Warranties always have exceptions that diminishes its overall value. Here at Dalmen Pro, our crystal clear warranties are exactly like our windows and doors, made to last and with the customer in mind.

PROUD CANADIAN Companymaple-leaf

your WINDOWS experts IN OTTAWA

Dalmen Pro is your one-stop shop in Ottawa for windows and doors. We sell and install everything from bay and bow windows to steel and patio doors. As the gateway to your home, windows and doors ensure that your abode is both safe and stylish, and allow you and your guests the comfort and security that can only be afforded as a result of properly installed, durable windows and doors.

Not only are our products high quality, they’re all energy efficient, and beautifully crafted right here in Ottawa. We pride ourselves on staying on top of trends and providing our customers with a wide variety of styles and designs. We also offer an array of customizable features and components to ensure your windows and doors reflect your personal taste and style.


Replacement Windows & Doors In Ottawa


We manufacture

Dalmen Pro came to fruition as a result of the need to address the constant demand from customers about purchasing directly from the manufacturer. Our windows and doors are made right here in Ontario.


We install

Our SAWDAC-certified installation experts are rigorously trained and adhere to the highest standards to ensure that your windows and doors are properly installed and sealed.


We service

We service our products, which come with a 20-year warranty on products and labour. We are also experts in window replacement, incorporating your unique needs for size and style.

Dalmen Pro Testimonials on Homestars

Just wanted to share my experience with Dalmen Pro. From start to finish they provided top notch service and delivered quality products. I had 3 other companies quote on my project, but in the end chose Dalmen Pro due to the fact that they would take the time to answer all my questions, needs and concerns. We absolutely LOVE our new windows and front door and my wife and I would highly recommend them to anyone.
Don Jenkins
Contact Information

Dalmen Pro
18 Bentley Ave, Nepean, Ontario, K2E 6T8

Phone: 613-706-4181

E-mail: [email protected]

Opening Hours

Mon to Fri: 8am to 4:30pm
Sat & Sun: By appointment only

Areas We Serve

Aylmer, Brockville, Calabogie, Carleton Place, Cornwall, Hull, Kanata,
Orleans, Ottawa, Perth, Renfrew, Smiths Falls, Stittsville

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