expert window replacement
Windows Winnipeg - Quality and Efficiency Replacement for Peace of Mind
Winnipeg winters are no joke. If your home feels drafty, your energy bills keep climbing, or your windows are showing their age, it’s time for a change.At Korsun Windows & Doors, we help homeowners replace old, inefficient windows Winnipeg homeowners trust with durable, energy-smart solutions built for Manitoba’s climate. From the first quote to the final install, our team handles everything with care and precision. For tips on what to look for when choosing high-performance windows and doors, check out this Canadian window & door buying guide.
Transform your home
Common Signs You Need New Windows
Not sure if it’s time to replace your windows? Start by looking for the red flags.
Do you feel cold drafts even when the windows are shut? Notice condensation forming between panes? Is it harder to open or close certain windows, or are your energy bills climbing for no clear reason?
These are all signs that your old windows aren’t doing their job. In many Winnipeg homes, aging vinyl windows or poor-quality installs allow heat to escape and moisture to creep in, driving up heating and cooling costs year-round. A professional window and door replacement can solve these issues and restore comfort and performance.
Regardless of whether you have stuck frames, broken seals, or just dated window styles, replacing windows now can prevent bigger issues later.
serving homeowners across Winnipeg
Explore Korsun Windows Types and Specs
Ultra Window Series
Our Ultra Window Series are built to retain warmth in winter and keep cool air in during summer, which reduces the strain on your HVAC system. Our Ultra Window Series also boosts your home’s curb appeal and value.
AIntegrated wood return can be capped for sleek look
BPatent pending Ultra Hidden Roll Screen can be rolled away out-of-sight (800M only)
CSlim profile sash for optimal viewing
DTriple Weather Striping including two for perimeter bulb seam of Premium Neopene MaxTemp™ material
EDouble (7/8″) & Triple (1 3/8″) insulated glass units available
FMulti-Chambered Fusion Welded Frame
GAluminum Reinforcement
H4 5/8″ Frame
-
Durable & Maintenance-Free
Strong uPVC vinyl resists fading, cracking, and warping — no painting needed. Backed by a lifetime warranty. -
Computer-Controlled Precision Miter Cutting
The frame and sash are welded together for a perfect fit. -
Attachments:
Retrofit Ready 4 5/8” frame depth makes the 800M ideal for retrofit window installations. - Weather-Resistant Finish Built to withstand extreme Canadian weather — zero maintenance required.
-
Foam “Warmware”
Insulation Boost your home’s energy efficiency with polyurethane foam insulation injected directly into the frame and sash. This optional upgrade helps reduce heat loss and improve comfort year-round.
Specs
850M/TS Performance Ratings
- Class LC-PG65
- Air Infiltration/Exfiltration: A3
- Forced Entry Resistance: Pass at Grade 10
- N.F.R.C. Certified
- Keystone Certified
-
Double Glazed System (7/8” Overall)
This system features a flexible dual-durometer seal that securely grips the glass on both sides of the sash. Combined with interior glazing tape, it creates a superior barrier against air and water infiltration, enhancing window durability and energy efficiency. -
Triple Glazed (1 3/8” Overall)
With two ½” airspaces, this triple-glazed option significantly reduces heat loss and improves energy conservation. For maximum efficiency, upgrade to double Low-E glass filled with Argon gas for superior insulation and comfort.
-
Stainless Steel Spacer
Our warm edge stainless steel spacer reduces condensation and heat loss while adding clean, elegant lines to your windows. Made from low-conductivity steel, it offers excellent structural strength and acts as a superior barrier against moisture and gas leakage—improving both performance and durability. -
TempSmart™ Spacer
It is a flexible, U-shaped, silicone foam tape product used to wrap around and cushion our center decorative panel. Featuring a vapor barrier backing, the product used in combination with Hot Melt butyl, provides a superior Warm – Edge seal. -
See and hear the difference with Diamond Premium Glass
With Diamond Premium Glass, Korsun Windows offers up to 100% thicker glass than the industry standard. That extra thickness helps block out noise, improves insulation, and adds strength to every window — so your home stays quieter, cozier, and better protected year-round.
-
The Ultra Casement and Awning Window System
It can be ordered with patented Rolling Screen System. The screen travels along tracks invisible to the eye and is secured by a latch when it closes. The Ultra Rolling Screen is something that needs to be experienced to be appreciated. 800M features Patent Pending hidden roll-style screen which can be rolled away out-of-sight. -
Superior Triple Seal Weather Stripping
Our high-pile weatherstripping is designed to let water drain out while keeping insects out. For maximum protection, we use a neoprene bulb seal, known for its durability and excellent compression. Each window features triple weather sealing, including two full-perimeter bulb seals made from premium MaxTemp™ neoprene, ensuring long-lasting performance in any climate.
-
Truth Ultra Operator with Fold-Away Handle
The Truth Ultra Operator combines strength and style. Its fold-away handle tucks neatly into the window casing for a sleek look and allows easy clearance for blinds and window coverings — smooth function with a clean finish. -
Aluminum Reinforced Frame
For added strength and durability, each frame is reinforced with aluminum, allowing hardware to anchor securely into both the vinyl and aluminum using precision-cut screws. This ensures long-lasting stability and performance. -
Single Lever MultipointLocking System and Hinge
Our casement and awning windows come standard with the Truth Maxim multipoint locking system and hinge — built to support larger, heavier windows with ease. Hinges are hidden when the window is closed, and openings up to 90° make cleaning simple. Even narrower windows (12”–14”) open up to 70°, combining security, strength, and everyday convenience
AIntegrated wood return can be capped for sleek look
BSlim profile sash for optimal viewing
CTriple Weather Striping including two for perimeter bulb seam of Premium Neopene MaxTemp™ material
DDouble (7/8″) & Triple (1 3/8″) insulated glass units available
EMulti-Chambered Fusion Welded Frame
FAluminum Reinforcement
G4 5/8″ Frame
-
Durable & Maintenance-Free
Strong uPVC vinyl resists fading, cracking, and warping — no painting needed. Backed by a lifetime warranty. -
Computer-Controlled Precision Miter Cutting
The frame and sash are welded together for a perfect fit. -
Foam “Warmware”
Insulation Boost your home’s energy efficiency with polyurethane foam insulation injected directly into the frame and sash. This optional upgrade helps reduce heat loss and improve comfort year-round.
Specs
800M/TS Performance Ratings
- Class CW – PG70
- Air Infiltration/Exfiltration: A3
- Forced Entry Resistance: Pass at Grade 10
- N.F.R.C. Certified
- Keystone Certified
-
Double Glazed System (7/8” Overall)
This system features a flexible dual-durometer seal that securely grips the glass on both sides of the sash. Combined with interior glazing tape, it creates a superior barrier against air and water infiltration, enhancing window durability and energy efficiency. -
Triple Glazed (1 3/8” Overall)
With two ½” airspaces, this triple-glazed option significantly reduces heat loss and improves energy conservation. For maximum efficiency, upgrade to double Low-E glass filled with Argon gas for superior insulation and comfort.
-
TempSmart™ Spacer
It is a flexible, U-shaped, silicone foam tape product used to wrap around and cushion our center decorative panel. Featuring a vapor barrier backing, the product used in combination with Hot Melt butyl, provides a superior Warm – Edge seal. -
See and hear the difference with Diamond Premium Glass
With Diamond Premium Glass, Korsun Windows offers up to 100% thicker glass than the industry standard. That extra thickness helps block out noise, improves insulation, and adds strength to every window — so your home stays quieter, cozier, and better protected year-round.
-
Patented TouchScreen™ Standard
Our unique TouchScreen™ design makes it easy to remove and replace your screen — no pins, tabs, springs, or tricky parts to deal with. -
Superior Triple Seal Weather Stripping
The high-pile weatherstrip allows water to drain out while keeping insects out. A neoprene bulb seal provides a tight, reliable compression seal. Each window also features triple weatherstripping, including two full-perimeter seals made from premium MaxTemp™ neoprene for superior protection in any weather. -
Truth Ultra Operator with Fold-Away Handle
The Truth Ultra Operator combines strength and style. Its fold-away handle tucks neatly into the window casing for a sleek look and allows easy clearance for blinds and window coverings — smooth function with a clean finish.
-
Truth Ultra Operator with Fold-Away Handle
The Truth Ultra Operator combines strength and style. Its fold-away handle tucks neatly into the window casing for a sleek look and allows easy clearance for blinds and window coverings — smooth function with a clean finish. -
Aluminum Reinforced Frame
For added strength and durability, each frame is reinforced with aluminum, allowing hardware to anchor securely into both the vinyl and aluminum using precision-cut screws. This ensures long-lasting stability and performance. -
Single Lever MultipointLocking System and Hinge
Our casement and awning windows come standard with the Truth Maxim multipoint locking system and hinge — built to support larger, heavier windows with ease. Hinges are hidden when the window is closed, and openings up to 90° make cleaning simple. Even narrower windows (12”–14”) open up to 70°, combining security, strength, and everyday convenience
AIntegrated wood return can be capped for sleek look
BPatent pending Ultra Hidden Roll Screen can be rolled away out-of-sight (800M only)
CSlim profile sash for optimal viewing
DTriple Weather Striping including two for perimeter bulb seam of Premium Neopene MaxTemp™ material
EDouble (7/8″) & Triple (1 3/8″) insulated glass units available
FMulti-Chambered Fusion Welded Frame
GAluminum Reinforcement
H4 5/8″ Frame
-
Multi-chambered, fusion-welded frame and sash
Great thermal resistance and heat loss prevention. Korsun Windows feature 4½” deep frames for added strength, insulation, and durability — perfect for both replacement and new construction projects. -
Durable & Maintenance-Free
Strong uPVC vinyl resists fading, cracking, and warping — no painting needed. Backed by a lifetime warranty. -
Metal Reinforced for Long-Lasting Strength
The window is reinforced at the operator, lock point, and sash for added strength. -
Rust Resistant Fasteners and Hinges
Stainless steel screws and rust-resistant hinges built to last a lifetime.
- Weather-Resistant Finish Built to withstand extreme Canadian weather — zero maintenance required.
-
Computer Controlled Precision Miter Cutting
Frame and Sash are welded simultaneously for a perfect fit. -
Foam “Warmware”
Insulation Boost your home’s energy efficiency with polyurethane foam insulation injected directly into the frame and sash. This optional upgrade helps reduce heat loss and improve comfort year-round.
Specs
850M/TS Performance Ratings
- Class LC-PG65
- Air Infiltration/Exfiltration: A3
- Forced Entry Resistance: Pass at Grade 10
- N.F.R.C. Certified
- Keystone Certified
-
Double Glazed System (7/8” Overall)
This system features a flexible dual-durometer seal that securely grips the glass on both sides of the sash. Combined with interior glazing tape, it creates a superior barrier against air and water infiltration, enhancing window durability and energy efficiency. -
Triple Glazed (1 3/8” Overall)
Features two ½” airspaces that will dramatically improve the performance of your windows by reducing heat loss and conserving energy, for an even better performance upgrade to Double Low E & Argon.
-
Argon and Krypton Gas filling
Maximize the insulation value of your sealed unit with your choice of Argon, Krypton and Krypton/Argon blend. (glass) -
TempSmart™ Spacer
It is a flexible, U-shaped, silicone foam tape product used to wrap around and cushion our center decorative panel. Featuring a vapor barrier backing, the product used in combination with Hot Melt butyl, provides a superior Warm – Edge seal. -
See and hear the difference with Diamond Premium Glass
Korsun Windows Diamond Premium Glass is 33% to 100% thicker than industry standards—that’s why it’s called Diamond Premium Glass! What this means is that outside noises stay outside where they belong, truly making your home a sanctuary. A window with Diamond Premium Glass will withstand much greater impact and will be a better insulator.
-
The Ultra Casement and Awning Window System
It can be ordered with patented Rolling Screen System. The screen travels along tracks invisible to the eye and is secured by a latch when it closes. The Ultra Rolling Screen is something that needs to be experienced to be appreciated. 800M features Patent Pending hidden roll-style screen which can be rolled away out-of-sight. -
Superior Triple Seal Weather Stripping
High pile is designed to let the water run out while preventing insects from entering. Neoprene bulb seal is the ideal compression seal. Triple Weather Stripping including two full perimeter bulb seals of premium neoprene MaxTemp™ material.
-
Truth Ultra Operator with Fold-Away Handle
Our standard Truth Ultra Operator is heavy duty, functional and beautiful. The sleek styling allows the handle to fold into a recess in the casing for a clean look allowing clearance from your window coverings! -
Aluminum Reinforced Frame
Ensures the casement hardware is securely anchored into the vinyl frame with special cut screws threading into the aluminum, as well as the vinyl. -
Single Lever MultipointLocking System and Hinge
The Truth Maxim Multipoint Lock and Hinge System is the industry’s finest and is standard on our Casements and Awnings. The Truth Maxim Hinge is specifically designed to handle heavier loads from larger windows with ease, time after time! All hinges are concealed when closed. Window’s minimum width of 14” opens 90° for easy cleaning. (Widths 12” – 14”open 70°.)
AIntegrated wood return can be capped for sleek look
BSlim profile sash for optimal viewing
CTriple Weather Striping including two for perimeter bulb seam of Premium Neopene MaxTempTM material
DDouble (7/8″) & Triple (1 3/8″) insulated glass units available
EMulti-Chambered Fusion Welded Frame
FAluminum Reinforcement
G4 5/8″ Frame
-
Multi-chambered, fusion-welded frame and sash
Great thermal resistance and heat loss prevention. Korsun Windows feature 4½” deep frames for added strength, insulation, and durability — perfect for both replacement and new construction projects. -
Durable & Maintenance-Free
Strong uPVC vinyl resists fading, cracking, and warping — no painting needed. Backed by a lifetime warranty. -
Metal Reinforced for Long-Lasting Strength
The window is reinforced at the operator, lock point, and sash for added strength. -
Rust Resistant Fasteners and Hinges
Stainless steel screws and rust-resistant hinges built to last a lifetime.
- Weather-Resistant Finish Built to withstand extreme Canadian weather — zero maintenance required.
-
Computer Controlled Precision Miter Cutting
Frame and Sash are welded simultaneously for a perfect fit. -
Foam “Warmware”
Insulation Boost your home’s energy efficiency with polyurethane foam insulation injected directly into the frame and sash. This optional upgrade helps reduce heat loss and improve comfort year-round.
Specs
850M/TS Performance Ratings
- Class LC-PG65
- Air Infiltration/Exfiltration: A3
- Forced Entry Resistance: Pass at Grade 10
- N.F.R.C. Certified
- Keystone Certified
-
Double Glazed System (7/8” Overall)
This system features a flexible dual-durometer seal that securely grips the glass on both sides of the sash. Combined with interior glazing tape, it creates a superior barrier against air and water infiltration, enhancing window durability and energy efficiency. -
Triple Glazed (1 3/8” Overall)
Features two ½” airspaces that will dramatically improve the performance of your windows by reducing heat loss and conserving energy, for an even better performance upgrade to Double Low E & Argon.
-
Argon and Krypton Gas filling
Maximize the insulation value of your sealed unit with your choice of Argon, Krypton and Krypton/Argon blend. (glass) -
TempSmart™ Spacer
It is a flexible, U-shaped, silicone foam tape product used to wrap around and cushion our center decorative panel. Featuring a vapor barrier backing, the product used in combination with Hot Melt butyl, provides a superior Warm – Edge seal. -
See and hear the difference with Diamond Premium Glass
Korsun Windows Diamond Premium Glass is 33% to 100% thicker than industry standards—that’s why it’s called Diamond Premium Glass! What this means is that outside noises stay outside where they belong, truly making your home a sanctuary. A window with Diamond Premium Glass will withstand much greater impact and will be a better insulator.
-
Patented TouchScreen™ Standard
Our Unique TouchScreen™ design will allow you to remove and replace your screen with ease. No more pins, tabs, springs or other mechanical parts. -
Superior Triple Seal Weather Stripping
High pile is designed to let the water run out while preventing insects from entering. Neoprene bulb seal is the ideal compression seal. Triple Weather Stripping including two full perimeter bulb seals of premium neoprene MaxTemp™ material.
-
Truth Ultra Operator with Fold-Away Handle
Our standard Truth Ultra Operator is heavy duty, functional and beautiful. The sleek styling allows the handle to fold into a recess in the casing for a clean look allowing clearance from your window coverings! -
Aluminum Reinforced Frame
Ensures the casement hardware is securely anchored into the vinyl frame with special cut screws threading into the aluminum, as well as the vinyl. -
Single Lever MultipointLocking System and Hinge
The Truth Maxim Multipoint Lock and Hinge System is the industry’s finest and is standard on our Casements and Awnings. The Truth Maxim Hinge is specifically designed to handle heavier loads from larger windows with ease, time after time! All hinges are concealed when closed. Window’s minimum width of 14” opens 90° for easy cleaning. (Widths 12” – 14”open 70°.)
A4 5/8″ welded frame combined with a variety of mouldings and extensions
B7/8″ Double Glazed seal unit, with optional 1 3/8″ Triple Glazed sealed unit for optimum efficiency
CFlush Mount Smart Lock allows you to unlock and tilt your sash with a single operation. This allows for cleaner sight lines and no tilt latches (Not shown)
DDual Durometer inside and outside giving a full perimeter seal bond
EIntegrated 5/8″ wood return with cover available
FAluminum Reinforcement
GSmart Screen is standard
-
Durable & Maintenance-Free
Strong uPVC vinyl resists fading, cracking, and warping — no painting needed. Backed by a lifetime warranty. -
Computer Controlled Precision Miter Cutting
Frame and Sash are welded simultaneously for a perfect fit. - Weather-Resistant Finish Built to withstand extreme Canadian weather — zero maintenance required.
-
Multi-Chambered Profiles
Designed for energy savings, extra strength and maximum insulation.
-
Foam “Warmware”
Insulation Boost your home’s energy efficiency with polyurethane foam insulation injected directly into the frame and sash. This optional upgrade helps reduce heat loss and improve comfort year-round.
Specs
850M/TS Performance Ratings
- Class LC-PG65
- Air Infiltration/Exfiltration: A3
- Forced Entry Resistance: Pass at Grade 10
- N.F.R.C. Certified
- Keystone Certified
-
Double Glazed System (7/8” Overall)
Features a flexible dual durometer seal that hugs the sash glass from both sides, this system also includes a glazing tape applied to the interior side resulting in an unprecedented barrier against air and water penetration. -
Triple Glazed (1 3/8” Overall)
Features two ½” airspaces that will dramatically improve the performance of your windows by reducing heat loss and conserving energy, for an even better performance upgrade to Double Low E & Argon. -
Beautiful Curb Appeal with SDL
SDLs are available for an energy-efficient way to create a classic curb-appeal without any maintenance
-
Argon and Krypton Gas filling
Maximize the insulation value of your sealed unit with your choice of Argon, Krypton and Krypton/Argon blend. (glass) -
TempSmart™ Spacer
It is a flexible, U-shaped, silicone foam tape product used to wrap around and cushion our center decorative panel. Featuring a vapor barrier backing, the product used in combination with Hot Melt butyl, provides a superior Warm – Edge seal. -
See and hear the difference with Diamond Premium Glass
Korsun Windows Diamond Premium Glass is 33% to 100% thicker than industry standards—that’s why it’s called Diamond Premium Glass! What this means is that outside noises stay outside where they belong, truly making your home a sanctuary. A window with Diamond Premium Glass will withstand much greater impact and will be a better insulator.
-
Smart Screen
The Smart Screen offers a spring-loaded design with integrated pull tabs for easy removal -
Stylish Window With hidden Tilt Latch
Hidden tilt latches for an elegant sight line. Both sashes tilt in for easy cleaning and easy removal. Lift rails are integral to the sash, not to a glass stop for strength and ease of operation. -
Smart Lock
“Flush mount Smart lock” allows you to both unlock and tilt your sash with a single or double lock option, resulting in cleaner sight lines and easier operation. “Flush Mount Smart Locks” are standard -
Aluminum Reinforced Frame
For added strength and durability, each frame is reinforced with aluminum, allowing hardware to anchor securely into both the vinyl and aluminum using precision-cut screws. This ensures long-lasting stability and performance. -
Insulating System
Hidden springs result in clean lines and smooth operation.
A4 5/8″ welded frame combined with a variety of mouldings and extensions
B7/8″ Double Glazed seal unit, with optional 1 3/8″ Triple Glazed sealed unit for optimum efficiency
CFlush Mount Smart Lock allows you to unlock and tilt your sash with a single operation. This allows for cleaner sight lines and no tilt latches (Not shown)
DDual Durometer inside and outside giving a full perimeter seal bond
EIntegrated 5/8″ wood return with cover available
FAluminum Reinforcement
GSmart Screen is standard
-
Durable & Maintenance-Free
Strong uPVC vinyl resists fading, cracking, and warping — no painting needed. Backed by a lifetime warranty. -
Computer Controlled Precision Miter Cutting
Frame and Sash are welded simultaneously for a perfect fit. - Weather-Resistant Finish Built to withstand extreme Canadian weather — zero maintenance required.
-
Multi-Chambered Profiles
Designed for energy savings, extra strength and maximum insulation.
-
Foam “Warmware”
Insulation Boost your home’s energy efficiency with polyurethane foam insulation injected directly into the frame and sash. This optional upgrade helps reduce heat loss and improve comfort year-round.
Specs
820 Performance Ratings
- Class R-PG50
- Air Infiltration/Exfiltration: A3
- Forced Entry Resistance: Pass at Grade 20
- A.A.M.A. Certified
- Keystone Certified
- N.F.R.C Certified
-
Double Glazed System (7/8” Overall)
Features a flexible dual durometer seal that hugs the sash glass from both sides, this system also includes a glazing tape applied to the interior side resulting in an unprecedented barrier against air and water penetration. -
Triple Glazed (1 3/8” Overall)
Features two ½” airspaces that will dramatically improve the performance of your windows by reducing heat loss and conserving energy, for an even better performance upgrade to Double Low E & Argon. -
Beautiful Curb Appeal with SDL
SDLs are available for an energy-efficient way to create a classic curb-appeal without any maintenance
-
Argon and Krypton Gas filling
Maximize the insulation value of your sealed unit with your choice of Argon, Krypton and Krypton/Argon blend. (glass) -
TempSmart™ Spacer
It is a flexible, U-shaped, silicone foam tape product used to wrap around and cushion our center decorative panel. Featuring a vapor barrier backing, the product used in combination with Hot Melt butyl, provides a superior Warm – Edge seal. -
See and hear the difference with Diamond Premium Glass
Korsun Windows Diamond Premium Glass is 33% to 100% thicker than industry standards—that’s why it’s called Diamond Premium Glass! What this means is that outside noises stay outside where they belong, truly making your home a sanctuary. A window with Diamond Premium Glass will withstand much greater impact and will be a better insulator.
-
Smart Screen
The Smart Screen offers a spring-loaded design with integrated pull tabs for easy removal -
Feeling Secure in Your Home
Night latches are available, provides limited ventilation and discourages unlawful entry. -
Smart Lock
“Flush mount Smart lock” allows you to both unlock and tilt your sash with a single or double lock option, resulting in cleaner sight lines and easier operation. “Flush Mount Smart Locks” are standard -
Aluminum Reinforced Frame
For added strength and durability, each frame is reinforced with aluminum, allowing hardware to anchor securely into both the vinyl and aluminum using precision-cut screws. This ensures long-lasting stability and performance. -
Insulating System
Hidden springs result in clean lines and smooth operation.
serving homeowners across Winnipeg
Frequently Asked Questions
Our FAQ section is here to help you find quick, reliable answers to the most common questions about our Installations, services, and processes
How much does window replacement cost in Winnipeg?
Window replacement costs vary depending on window size, materials, and installation complexity. Custom windows or larger installations may cost more than standard replacements.
When should I replace my windows?
Common signs you need window replacement include drafts, condensation between glass panes, difficulty opening windows, and rising heating bills.
What types of windows can you install in Winnipeg homes?
We install a wide range of windows including casement windows, awning windows, sliding windows, picture windows, and custom windows designed for Winnipeg homes.
How long do replacement windows last?
High-quality replacement windows can last 20–30 years or longer when properly installed and maintained.
Are new windows more energy efficient?
Yes. Modern windows feature insulated glass, improved seals, and advanced materials that significantly improve energy efficiency compared to older windows.
Do you provide custom windows in Winnipeg?
Yes. We offer custom window solutions that fit unique window openings and match your home’s design.