Canadian Windows & Doors Manufacturer

0% Deposit + do not pay till 2027
Alberta (403) 244-1053
Manitoba (204) 201-4511
British Columbia (604) 200-0144

Residential Window Replacement and Installation Company

✱ Offer Valid Until September 30th

✱ + FACTORY DIRECT PRICES

✱ Transparent Pricing - No Hidden Fees!

AlphaTech Windows & Doors

Fall Offer

60% off on Windows Installation
0% deposit · do not pay till 2027

Valid until September 30th
4.9 stars on Google Reviews BBB A+ Rated ENERGY STAR Certified







    AlphaTech Windows & Doors

    Fall Offer

    60% off on Windows Installation
    0% deposit · do not pay till 2027

    Valid until September 30th
    4.9 stars on Google Reviews BBB A+ Rated ENERGY STAR Certified







      What Our Customers Say

      Posted on Google Google
      Minda Lu profile picture
      Minda Lu
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      Very good very workers . Very professional in terms of their workmanship. Very thorough in every detail of the project from sales representatives to the office as well as the project installers. Great team through and through. I highly recommend them to install your new windows. I would rehire them again in near future ! Lovely. Cheers.
      Posted on Google Google
      Andrea Ducharme profile picture
      Andrea Ducharme
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      Sergey and his partner were very much professional, kind, and very neat and tidy with there work They did my windows and doors over the weekend and I have 0 complaints about there company and work ethic
      Posted on Google Google
      Lacy profile picture
      Lacy
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      I just had all my windows in my home replaced, and Alphatech did not disappoint! Great new windows at an affordable price! The installation went smoothly! Sergei and his helper were great to work with and worked very efficiently!! They were very polite and great to work with. The whole process from getting a quote, ordering and installing was a breeze! My house looks completely different now! I highly recommend using Alphatech Windows and Doors!!!
      Posted on Google Google
      Cassandra Simpson profile picture
      Cassandra Simpson
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      Our 4 new exterior doors look and work amazing. Both AlphaTech installers did such a great job, they were professional and super friendly. Thank you Sergey, we can’t wait to work with you again when we need our windows replaced. I wouldn’t even think of using any other company.
      Posted on Google Google
      Pierre Njoloko profile picture
      Pierre Njoloko
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      AlphaTech Windows and Doors did good work for my house they change the windows and door the service is perfect the window and the doors is good quality and now my energy bill is low. so thank you so much AlphaTech Windows
      Posted on Google Google
      Kathy Wegner profile picture
      Kathy Wegner
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      Excellent from start to finish. Natasha (Project Manager) was very knowledgeable and helpful with our choice of design. Both installers were efficient, respectful and courteous. Highly recommend Alphatech.
      Posted on Google Google
      Verna Trainer profile picture
      Verna Trainer
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      The two men did an awesome job of installing our 5 windows and two doors. They were fast and efficient and professional at what they did. They were polite and enjoyed them in our home. Thank you Sergei and Artur. I would recommend this company. Thank you for an excellent job.
      Posted on Google Google
      Gilbert Bazan profile picture
      Gilbert Bazan
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      My family and I are overly satisfied with the window replacement, I even recommended it to friends! One of my closest friends, will get their window done pretty soon! Mine, look perfect in all our rooms, bathrooms, dining and living room. Thank you Alphatech!
      Posted on Google Google
      Graham Jones profile picture
      Graham Jones
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      The guys that arrived were efficient, early and hard workers to get all 12 windows in, in a day. They even worked late. Returning the next day early to fit and finish the 2 doors and clean up. Very polite and respectful of my house. A*
      Posted on Google Google
      Rolf Kirchner profile picture
      Rolf Kirchner
      Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
      The men did a great job installing the new windows, cleaned up after the job was done. Would recommend Alpha Tech to anyone.

      Before & After

      Case Study 1970s Home Full Window Replacement Lethbridge Window Replacement Lethbridge
      Before
      After
      Before Image 2 After Image 2
      Before
      After
      Before Image 3 After Image 3
      Before
      After
      Factory-Direct Pricing On Residential Replacement Windows

      Factory-Direct Pricing On Residential Replacement Windows

      Save Big on Energy-Efficient, Canadian-Made Windows. Get ENERGY STAR® certified replacement windows at true factory-direct prices. No middleman, no overpaying — just real savings. Book your free, no-obligation quote today! BBB A+ Rated.

      Windows & Doors Warranty

      Reliability for Years: Enjoy a FREE Transferable 25-Year Warranty!

      With confidence, we not only offer exceptional window solutions but also absolute peace of mind. When you choose our products, you automatically receive a FREE and transferable 25-year warranty. This means your investment is protected — you and your loved ones will experience comfort and reliability for decades.

      Windows & Doors Warranty

      Our Products

      AlphaTech Windows & Doors offers a distinctive blend of high-quality colors and materials, adding elegance and durability to your home. We pay special attention to material selection, aiming for a high standard of quality and longevity. CLICK HERE to view our windows
      Quick Quote! Quick Quote!

      Certifications & Recognitions

      Certification 1
      Energy Star Certified
      BBB A+ Rated
      Reviews Google
      Fenestration Canada
      Certification 5
      Vinylbilt Warranty
      Window Wise Certified
      Features

      Top-quality

      Our commitment to top-quality residential windows & doors is unwavering. We employ the latest, most reliable, and high-tech methods and equipment in the production of our windows and doors. This clear focus ensures that every product we deliver meets the highest standards, providing you with windows and doors that stand out in terms of quality, durability, and performance.

      Energy Saving

      Our windows are designed to be energy-efficient champions. They capture and retain heat energy during the day, minimizing heat loss at night. In the summer, our advanced technology acts as a barrier, preventing hot, humid air from infiltrating your home. The outcome is a noticeable reduction in air conditioning costs during warm seasons and lower heating bills when temperatures drop.

      Comfort

      Beyond enhancing the aesthetics of your home, our elegantly styled vinyl windows provide enduring comfort. Precise manufacturing and expert engineering guarantee a reliable source of comfort for decades. Choose from a wide selection of beautifully designed interior and exterior options to fulfill your window and door aspirations, ensuring both style and comfort.

      Durability

      We prioritize longevity by utilizing premium materials and careful workmanship, all reinforced by our unwavering Zero-Defect commitment. Our windows are crafted to withstand the test of time, ensuring durability that goes beyond expectations.

      Materials

      We base our products on advanced materials, such as high-quality vinyl. This material ensures unparalleled strength, moisture resistance, and durability. The vinyl profiles we use reflect the latest innovations in the industry, providing reliable protection against the effects of time and varying weather conditions.

      Materials

      Interior View

      1. Multi-chambered frame to strengthen and provide additional stability and improve overall thermal performance
      2. Dual glazed with 1" overall or triple glazed with 1 3/8" overall glazed available
      3. Welded sash with steel reinforcement

      Colors

      Inspired by the latest design and architectural trends, our windows & doors color palette ranges from modern neutral shades to rich and vibrant tones. Our window systems provide a rich array of colors, emphasizing your home's style. Color consistency is ensured through precision manufacturing and resistance to environmental factors.

      Commercial Brown
      Brownstone
      Slate
      Pebble
      Sable
      Black
      Iron Ore
      Chestnut Brown
      Dover Grey
      Cream
      Sandalwood

      Why Choose Our Windows & Doors?

      AlphaTech Windows & Doors offers a wide range of high-tech window and door systems that ensure comfort, security, and energy savings.

      Quick Quote!

      Advanced Technology

      We utilize cutting-edge materials such as energy-efficient glass and smart climate control systems. This not only allows our customers to save on heating but also creates the perfect indoor microclimate.

      Style Variety

      Our assortment provides a variety of styles, from modern to classic, so every customer can find windows that suit their taste.

      Attention to Detail

      It's our attention to detail that makes the difference in the performance of our windows. Technologically advanced components you may not see are designed to ensure complete reliability for years to come.

      Clear Advantages

      The benefits of choosing AlphaTech Windows & Doors are clear - high-quality products, modern technologies, and an individualized approach to each customer.

      Why Choose Our Window Solutions?

      Energy Efficiency and Savings

      Turning to AlphaTech Windows & Doors ensures cutting-edge window systems designed for maximum energy efficiency. This leads to significant savings on electricity bills and creates a comfortable indoor climate year-round.

      Access to Government Grants

      We guide our clients through available programs and assist in accessing grants that support energy-efficient home improvements. This additional financial benefit enhances the overall value of choosing our products, making your investment even more rewarding.

      Product Warranty

      All our products undergo demanding quality control, and we provide a warranty for each window. This gives you confidence that your investment is protected, and we stand behind the high performance of our products.

      Durability and Quality

      Our windows are crafted from high-quality materials, guaranteeing durability and reliability. Choosing us means investing in products that will serve you for decades with minimal maintenance.

      Individualized Approach and Style

      We provide a wide range of styles and designs, allowing you to choose windows that reflect your unique taste and style. Our individualized approach ensures that each customer receives a solution tailored to their needs and preferences.

      Front view of a single-story brown house with stone columns, white trim, and a well-kept lawn; a sign sits on the front lawn near the curb.

      AlphaTech Windows & Doors

      Fall Offer

      60% off on Windows Installation
      0% deposit · do not pay till 2027

      Valid until September 30th
      4.9 stars on Google Reviews BBB A+ Rated ENERGY STAR Certified