Calgary's Trusted
Window Replacement
ServiceWe have proudly served Calgary homeowners and the surrounding areas with expert window replacement services for more than 35 years. Our certified in-house team handles every project from first measurement to final seal – never subcontracted.
Engineered for Calgary Climate
Window & Door Replacement
Services in Calgary
Window Replacement Calgary
Our certified window replacement specialists in Calgary handle every window style including: Casement, Awning, Double-hung, Sliding, Fixed, and more.
Door Replacement Calgary
We handle all types of door replacements including front door, garden door, sliding door , and patio doors, completed by our trusted local professionals.
Home Renovation Services Calgary
Our Calgary-based professionals can handle all types of renovation work to Window & Door Upgrades, Energy Retrofits, Full Exterior Renovation increase resale value, and cut energy costs.
The Premium Collection
Calgary Windows
& Door Replacement
Custom window and door replacements for Calgary homes- professionally installed, precision-fitted, and engineered to outperform extreme Calgary weather conditions.
Casement Window Replacement Calgary
We specialize in side-hinged and outward opening casement window replacement to restore the unobstructed views, maximum ventilation, and tight weatherproof seal your home deserves.
Available in Vinyl, Fiberglass & Aluminum-Clad Wood.
Awning Window Replacement Calgary
Upgrade your home with our professional awning window replacement services and keep every room comfortable, draft-free, and energy-efficient through every season Calgary delivers.
Double Hung Window Replacement Calgary
At Apollo Windows, we provide replacement services for double-hung windows to reduce heat loss, improve ventilation, and make everyday cleaning effortless for Calgary homeowners.
Sliding Window Replacement Calgary
We deliver top-quality sliding window replacement services to minimize outdoor noise, reduce heat transfer, and deliver low-maintenance performance across all Calgary neighbourhoods.
Entry Door Replacement Calgary
We’re the go-to door replacement experts for Calgary homeowners looking to deliver doors built for lasting curb appeal, maximum security, and reliable performance through Alberta’s weather conditions.
Patio Door Replacement Calgary
We are Calgary’s trusted patio door replacement specialists delivering custom-fitted solutions that offer smooth operation, all-season performance, and proven energy efficiency.
Custom Insulated Glass Replacement Calgary
We deliver insulated glass unit replacement services to reduce heat loss, minimize outdoor noise, and meet the highest Energy Star standards for year-round comfort in your Calgary home.
20+ Year Warranty on All Window & Door Replacements
The standard
Calgary Homeowners Measure Us Against.Built on the trust of thousands of Calgary homeowners. We don’t just replace windows, we upgrade the way your home performs.
Over 1,000 Calgary homes served with expert window and door replacement.
Signs You Need Window Replacement
Signs Your Calgary Home Needs
Window Replacement
At Apollo Windows, we understand Calgary’s harsh weather better than anyone. From brutal -30°C winters and intense UV summers to relentless temperature swings, we know exactly what your windows go through and when it is time to replace them. Here are four clear signs that your home needs a window replacement.
Visible Damage or Decay
Soft spots, warping, cracking or rotting window frames.
It is a a clear sign your windows have reached the end of their lifespan and need immediate replacement.
Drafts and Rising Energy Bills
Cold air infiltration around window frames and sills.
It is a clear sign your windows have stopped sealing properly and are no longer performing as they should.
Condensation Between the Panes
Fogged or moisture-trapped glass indicating seal failure.
It is a clear sign your window’s seal has failed and the unit is no longer thermally effective.
Excessive Noise and Difficulty Operating
Sticking, broken cranks, or outside noise penetrating indoors.
It is a clear signs your windows have lost their effectiveness and need replacing.
Any of these signs? Get a free in-home window assessment from our Calgary specialists today.
Replacement Services
What Our Calgary Window
Replacement Services Include
We offer three core window solutions tailored to what your Calgary home actually needs.
Window Mechanism Repair Calgary
If your window's lock, crank, hinge, or handle is broken or no longer functioning properly, we repair the damaged mechanism and restore full operation.
Single Pane Glass Replacement Calgary
If your frame is structurally sound but a pane is cracked, broken, or has lost its seal, we replace the glass unit alone to restore your window's thermal and acoustic performance.
Full Window Replacement Calgary
We replace the entire unit only when your windows are beyond repair due to failed seals, rotting frames, outdated glazing or poor energy performance.
Not sure which option your windows need? During your free in-home assessment, our Calgary window replacement specialists will give you an honest evaluation and recommend only what's necessary.
"We don't just install windows — we elevate homes."
Why Calgary Homeowners Choose Apollo
for Window Replacement
Calgary-Based, Locally Owned for 35+ Years
Apollo Window is a locally owned and operated window replacement service provider that has been serving Calgary homeowners for over 35 years.
Flexible Financing - $0 Down, Pay Later
We offer flexible payment plans and home improvement financing to make your door & window replacement project affordable and stress-free.
Fully Custom Windows & Doors- Precision Fitted to Your Home
Our certified specialists visit your home first, taking precise measurements to ensure every replacement window solution is fully custom.
Proven Energy Efficiency- Built for Calgary Winters
Our replacement windows are proven to keep Calgary homes warmer in winter, cooler in summer, and more energy-efficient throughout the year.
How Our Calgary Window
Replacement Process Works
From your first call to your final walkthrough, every step is designed around your comfort and confidence.
Free In-Home Consultation
A certified window replacement specialist visits your Calgary home, takes precise measurements, evaluates your current windows, and provides a detailed written estimate.
Custom Window Manufacturing in Calgary
Every replacement window is locally custom-fabricated to your home’s exact size and specifications with premium materials keeping in mind Calgary’s climate extremes.
Certified In-House Installation Calgary
Our certified in-house technicians complete your window replacement with precision to ensure a perfect, airtight, and weather-sealed finish.
Final Walkthrough & Warranty Activation
We conduct a thorough inspection with you, activate your lifetime warranty on both products and labour, and leave your home exactly as we found it.
Calgary Homeowners Reviews
Trusted by Calgary Homeowners
For Window Replacement
The entire window replacement process was seamless from start to finish. The crew arrived on time, were respectful of our home, and the new windows look absolutely stunning. Our heating bill dropped noticeably within the first month.
I got quotes from three Calgary window replacement companies. These guys were the most knowledgeable by far. They explained every option clearly and the installation was flawless. I highly recommend it.
We replaced all 14 windows in our home. The team was professional, clean, and fast. The quality of the windows is excellent and our home is noticeably warmer. Worth every penny.
I've worked with several Calgary window replacement companies over the years. This is the only one I recommend to my clients without hesitation. Quality product, reliable team, honest pricing.
Amazing experience from the first phone call to the final installation. The windows are beautiful and the energy savings are real. I wish I had replaced them years ago.
$0 Down upgrade
Window Replacement Financing Calgary
- Online financial application in minutes
- Instant limit up to $20,000
- No mortgage or deed documents required
- Ongoing customer support
Window Replacement FAQ
For Calgary Homeowners
We offer a full range of custom replacement windows for Calgary homes, including casement, awning, double-hung, sliding, picture, bay and bow, and basement windows.
Absolutely. Every window replacement we install is engineered specifically for Alberta's climate, including temperatures as low as -30°C.
No. We use 100% in-house certified technicians for every window replacement in Calgary.
Most Calgary window replacements are completed within a single day, depending on the number of windows and the scope of work.
Yes. Our flexible home improvement financing program lets you upgrade your windows with $0 down, with payments deferred. You can apply online in minutes and receive an instant approval up to $20,000 — no mortgage or deed documents required.
Window Replacement Cost: $400–$1,200 Per Window in Calgary
20+ Year Warranty on Products & Labour — All Replacements
Get a Free Window Replacement Estimate in Calgary
Our Calgary-based window replacement specialists will visit your home, assess your windows, and provide a comprehensive written quote with zero obligation.
Call Our Calgary Window Replacement Team
403-568-0777
Email Our Calgary Window Specialists
sales@apollowindows.ca
Our Calgary Window Replacement Service Area
3530 32 St NE #26, Calgary, AB T1Y 6G7
Monday – Friday: 8 AM – 5 PM
