Our Window Styles

From classic colonial homes to modern designs, we offer window styles that combine curb appeal, performance, and durability.

Our Window Styles

From classic colonial homes to modern designs, we offer window styles that combine curb appeal, performance, and durability.

Product Categories

Popular Styles

Popular Styles

Popular Styles

Popular Styles

Why CTWR

Performance Features

Performance Features

• Triple-pane with double Low-E + Argon (U-value of 0.18)

• Fusion-welded frames for strength and insulation

• Draft-proof sealing system (tested to 0.05 CFM at Intertek)

• Built-in ventilation locks and tilt-latch system

• Durable, paint-free SunShield® vinyl

• Backed by a lifetime warranty, transferable & non-prorated

Why CTWR

Performance Features

• Triple-pane with double Low-E + Argon (U-value of 0.18)

• Fusion-welded frames for strength and insulation

• Draft-proof sealing system (tested to 0.05 CFM at Intertek)

• Built-in ventilation locks and tilt-latch system

• Durable, paint-free SunShield® vinyl

• Backed by a lifetime warranty, transferable & non-prorated

Why CTWR

Performance Features

• Triple-pane with double Low-E + Argon (U-value of 0.18)

• Fusion-welded frames for strength and insulation

• Draft-proof sealing system (tested to 0.05 CFM at Intertek)

• Built-in ventilation locks and tilt-latch system

• Durable, paint-free SunShield® vinyl

• Backed by a lifetime warranty, transferable & non-prorated

Our Guarantee

Proven Performance, Backed by Our Guarantee

Proven Performance, Backed by Our Guarantee

Proven Performance, Backed by Our Guarantee

Proven Performance, Backed by Our Guarantee

Every window we install is built for serious energy savings. In fact, we guarantee you’ll save at least $500 on your energy bills in the first year—or we’ll refund you the difference.

Every window we install is built for serious energy savings. In fact, we guarantee you’ll save at least $500 on your energy bills in the first year—or we’ll refund you the difference.

Every window we install is built for serious energy savings. In fact, we guarantee you’ll save at least $500 on your energy bills in the first year—or we’ll refund you the difference.

That’s how confident we are in our windows.

That’s how confident we are in our windows.

That’s how confident we are in our windows.

Performance Driven

Industry-Leading Air Infiltration Performance

Industry-Leading Air Infiltration Performance

Industry-Leading Air Infiltration Performance

Industry-Leading Air Infiltration Performance

When it comes to energy efficiency and indoor comfort, air infiltration matters. Air infiltration is measured in CFM (Cubic Feet per Minute) — the amount of air that leaks through a window per square foot of area. The lower the number, the better the seal.

When it comes to energy efficiency and indoor comfort, air infiltration matters. Air infiltration is measured in CFM (Cubic Feet per Minute) — the amount of air that leaks through a window per square foot of area. The lower the number, the better the seal.

When it comes to energy efficiency and indoor comfort, air infiltration matters. Air infiltration is measured in CFM (Cubic Feet per Minute) — the amount of air that leaks through a window per square foot of area. The lower the number, the better the seal.

At CT Window Replacement, our windows are engineered for exceptional airtightness, tested and certified at an industry-best: 0.05 CFM/sq. ft.

At CT Window Replacement, our windows are engineered for exceptional airtightness, tested and certified at an industry-best: 0.05 CFM/sq. ft.

At CT Window Replacement, our windows are engineered for exceptional airtightness, tested and certified at an industry-best: 0.05 CFM/sq. ft.

Tested at Intertek under 25 mph wind pressure conditions. To put that into perspective:

Tested at Intertek under 25 mph wind pressure conditions. To put that into perspective:

Tested at Intertek under 25 mph wind pressure conditions. To put that into perspective:

Air Infiltration (CFM/sq. ft.) Performance Level
0.30 Meets industry code
0.15 Better than average
0.05 Top-tier, energy-efficient seal
Air Infiltration (CFM/sq. ft.) Performance Level
0.30 Meets industry code
0.15 Better than average
0.05 Top-tier, energy-efficient seal

This means our windows keep your home warmer in winter, cooler in summer, and quieter year-round — reducing drafts, saving energy, and improving comfort.

This means our windows keep your home warmer in winter, cooler in summer, and quieter year-round — reducing drafts, saving energy, and improving comfort.

This means our windows keep your home warmer in winter, cooler in summer, and quieter year-round — reducing drafts, saving energy, and improving comfort.

Lifetime Warranty

Built to last - Backed by our best-in-class Warranty

Built to last - Backed by our best-in-class Warranty

Built to last - Backed by our best-in-class Warranty

Built to last - Backed by our best-in-class Warranty

No gimmicks. No fine print. Just real protection that stays with your home—even if you sell it.

No gimmicks. No fine print. Just real protection that stays with your home—even if you sell it.

No gimmicks. No fine print. Just real protection that stays with your home—even if you sell it.

Premium Warranty Protection

Premium Warranty Protection

Our highest-performance windows come with the strongest coverage on the market:

Our highest-performance windows come with the strongest coverage on the market:

• Lifetime Warranty

• Lifetime Warranty

• Fully-transferable to the next homeowner

• Fully-transferable to the next homeowner

• Non-Prorated

• Non-Prorated

• Covers:

• Covers:

• Seal failure

• Seal failure

• All hardware

• All hardware

• Vinyl frame & sash components

• Vinyl frame & sash components

• Installation

• Installation

• Backed by 70+ years of trusted local manufacturing

• Backed by 70+ years of trusted local manufacturing

Our Windows

Our Windows

Our Windows

Our Windows

Product Specifications
U-Value 0.18
Energy Star Rating Energy Star 7.0 Certified
Air Infiltration Rating 0.05 CFM (Intertek tested)
Thermal Reinforcement Innergy® structural reinforcement
Warranty Lifetime, Fully Transferable, Non-Prorated
Warranty Coverage Includes • Seal failure • Hardware • Vinyl frame/sash • Installation
Ideal For Homeowners wanting maximum efficiency & long-term ROI
Backed By 70+ Years of CT-based Manufacturing

Contact Us

Contact Us

Ready to Replace Your Windows?

Ready to Replace Your Windows?

Ready to Replace Your Windows?

Ready to Replace Your Windows?

Have questions or ready to start your window replacement project? Improve Comfort & Cut Energy Costs today.

Have questions or ready to start your window replacement project? Improve Comfort & Cut Energy Costs today.

Copyright © 2025 CT WINDOW REPLACEMENT. All Rights Reserved.

Copyright © 2025 CT WINDOW REPLACEMENT. All Rights Reserved.

Copyright © 2025 CT WINDOW REPLACEMENT. All Rights Reserved.

Copyright © 2025 CT WINDOW REPLACEMENT. All Rights Reserved.

Copyright © 2025 CT WINDOW REPLACEMENT. All Rights Reserved.