Window Replacement
Built for Alberta
We install Durabuilt's full window line — Alpha sliding, Omega casement, and Delta fiberglass — across Southern Alberta. EasyClean+ glass technology, triple-pane performance, and year-round installation by a team that treats your home with respect.
Why Replace Your Windows?
Old windows work against you every day — higher energy bills, less comfort, and a home that looks tired. Here's what to watch for.
Drafts & Cold Spots
If you feel cold air near your windows in winter — even with them closed — the seals have failed or the frames have warped. Drafts can account for up to 30% of your home's heat loss.
Condensation & Frost
Moisture or ice forming between the panes means the sealed unit has failed and the insulating gas has escaped. That window is no longer doing its job thermally.
High Energy Bills
Windows are responsible for up to 35% of home heat loss in Alberta. If your heating costs have climbed, your windows may be a major contributor — and replacing them is one of the fastest payback upgrades available.
Hard to Operate
Windows that stick, won't latch properly, or no longer lock are a daily frustration and a security concern. Swollen or warped frames are also a sign that moisture has infiltrated the assembly.
Curb Appeal
Yellowed frames, peeling paint, and foggy glass drag down your home's first impression and its resale value. New windows are one of the highest-return exterior upgrades you can make.
Outside Noise
Single-pane or failed dual-pane windows offer almost no acoustic barrier. Triple-pane windows with laminated glass significantly reduce traffic, wind, and neighbourhood noise inside your home.
Built for Alberta Winters
Alberta doesn't have mild winters — and your windows shouldn't be a weak point. Durabuilt triple-pane windows use two chambers of argon or krypton gas between three panes of glass, delivering thermal performance that keeps your home genuinely comfortable from October through April.
Year-round installation: Our crews install through Alberta winters, down to -15°C. The existing window is removed for only 5–10 minutes — the new window goes straight in. Your home stays warm.
EasyClean+ Glass Technology
Glass looks smooth, but it's actually made up of microscopic peaks and valleys where dust, water, and grime get lodged — causing hazing, yellowing, and constant cleaning.
Durabuilt's EasyClean+ fills in those peaks and valleys, creating a smooth, seamless surface that repels contaminants from the start. The result is crystal-clear glass that stays cleaner longer and resists general aging over the lifetime of your windows.
- Reduces cleaning time by up to 90%
- Protects against moisture, dust, scum, and debris
- Prevents hazing, yellowing, and general aging
- Crystal-clear performance guaranteed for the life of your windows
Ask us about adding EasyClean+ to your window package during your free quote visit.
Standard glass traps dirt in microscopic surface crevices. EasyClean+ seals them — water sheets off, dust doesn't stick, and your windows stay clear with a fraction of the effort.
Window Styles We Install
Two series, same universal monoframe — mix and match any style seamlessly. Alpha is Durabuilt's smooth sliding line; Omega is the swing-away casement and awning line. Both are engineered for Canadian climate performance.
Omega Series
Casement
Hinged on one side, cranks open outward for maximum ventilation. Compresses against the frame when closed for an exceptional air-seal — one of the tightest available in residential windows. Ideal for hard-to-reach locations above counters or sinks.
Alpha Series
Slider
One or both sashes glide horizontally on a track. The Alpha Slider offers clean sightlines and a low-profile frame. A practical choice for wide openings, basement windows, and contemporary home styles where a simple operating mechanism is preferred.
Alpha & Omega Series
Picture / Fixed
Non-opening windows that maximize the glass area within a given opening. No moving parts means the best possible thermal performance and the largest unobstructed view. Frequently combined with operable units (casements, sliders) on either side.
Omega Series
Awning
Hinged at the top, opens outward and upward — the raised sash acts like an awning, letting air in while keeping rain out. An ideal ventilation window for bathrooms, kitchens, and below-grade applications. Can remain open even in light rain.
Alpha & Omega Series
Bay & Bow
A bay window projects out from the wall with three angled panels; a bow uses a gentle curve of four or more units. Both add interior floor space, flood the room with light from multiple angles, and create an architectural focal point both inside and out.
Alpha Series
Single Hung
The upper sash is fixed; the lower sash slides up to ventilate. A classic, economical profile that suits traditional and craftsman-style homes. The Alpha Single Hung tilts inward for easy interior cleaning — a practical advantage in two-storey applications.
When You Want the Best Thermal Performance Available
The Durabuilt Delta Series is a premium fiberglass window system for homeowners who want the highest performance available in a slim, refined profile. Fiberglass is stronger than steel by weight and expands and contracts at virtually the same rate as glass — so seals stay tight and operation stays smooth through Alberta's most extreme temperature swings. Foam-filled profiles make Delta Passive House and Net Zero ready.
- Thinner frames, bigger glass — fiberglass strength allows larger windows with slimmer sightlines
- Stainless steel Roto® X-Drive HD hardware on every casement and awning — rated for sash up to 150 lb
- 21 finishes plus realistic Woodec wood-look options — with split interior/exterior finish capability
- EasyClean+ glass standard — scratch-resistant, crystal-clear coating guaranteed for life
- Commercial-grade ratings — Performance Grades up to CW-PG70, triple-pane up to 5 mm glass
See the Difference
Full window replacement on a Lethbridge home — new Durabuilt vinyl windows throughout, completed in a single day.
Real Homes, Real Results
Every project below is a real Durabuilt window installation — the same products we supply and install across Southern Alberta.
From First Call to Final Walkthrough
A straightforward process — no hidden steps, no surprise timelines. Here's exactly what to expect when you work with Clearline.
Free In-Home Quote
We visit your home, measure every opening, discuss products and options, and answer all your questions — at no cost and no obligation.
Product Selection
Choose your series (Alpha, Omega, or Delta), glass package, frame colour, hardware, and any custom configurations. We provide samples on-site.
Order & Schedule
Once you approve the written quote and sign, your windows go into production at Durabuilt. Lead time is typically 5–7 weeks from signed quote to installation day.
Installation Day
Our crew arrives on the confirmed date, removes your old windows one at a time, and installs each new unit — fully sealed, trimmed, and tested before moving on. Each opening is exposed for only 5–10 minutes.
Final Walkthrough
We walk through every window with you — operate each one, inspect the seals, trim, and finish. We don't leave until you're satisfied and have your warranty documentation in hand.
Window Replacement FAQ
Omega Series is Durabuilt's swing-away line — Casement, Awning, Picture, Bay, and Bow. Casement-style windows swing open for exceptional ventilation and compress against the frame when closed, providing a tighter air seal than sliding windows and slightly higher ER ratings.
Delta Series is Durabuilt's premium fiberglass line. Foam-filled fiberglass frames, slim sightlines, more glass per opening, and outstanding long-term dimensional stability. The highest-performance option and the best choice for maximizing glass area in premium builds or renovations.
Both Alpha and Omega are built on the same universal monoframe design — meaning you can seamlessly mix and match window types throughout your home for a consistent, clean look.
Warranty Coverage
Durabuilt Manufacturer Warranty + Clearline Workmanship Warranty
Durabuilt products are backed by their own manufacturer warranty covering defects in materials and workmanship — including sealed unit failure, hardware, and frame integrity. Full terms are available at durabuiltwindows.com/warranty.
In addition, Clearline provides our own separate workmanship warranty on every installation. If anything related to how the windows were installed — flashing, trim, sealing, operation — is not right, we come back and fix it. No argument, no charge. Warranty documentation is provided in writing at project completion.
Ask us for full warranty details during your quote visit. Coverage specifics vary by product line and glass package.
Get Your Free Window Quote
We come to you — measure every opening, walk through your options, and provide a detailed written quote. No obligation, no pressure.