Window Inserts
Window Inserts
Advanced Energy Efficiency Without Replacement
Replacing windows can be prohibitively expensive and disruptive, often requiring structural upgrades that add to the cost. Window inserts made with NxLite coatings improve your building's energy efficiency at a fraction of the cost and effort of full window replacements.
Replacing windows can be prohibitively expensive and disruptive, often requiring structural upgrades that add to the cost. Window inserts made with NxLite coatings improve your building's energy efficiency at a fraction of the cost and effort of full window replacements.
Replacing windows can be prohibitively expensive and disruptive, often requiring structural upgrades that add to the cost. Window inserts made with NxLite coatings improve your building's energy efficiency at a fraction of the cost and effort of full window replacements.


Upgrade Your Efficiency
Upgrade Your Efficiency
Upgrade Your Efficiency
Significant Energy Savings
NxLite-coated window inserts provide high-performance glazing solutions without disrupting existing windows or building facades. These lightweight applications deliver advanced energy savings whether applied to glass, polymeric materials, or hybrid designs with single-pane or double-paned insulated glass units (IGUs).
Windows account for approximately 30% building energy loss, contributing significantly to heating and cooling costs.
Windows account for approximately 30% building energy loss, contributing significantly to heating and cooling costs.
Windows account for approximately 30% building energy loss, contributing significantly to heating and cooling costs.

Advanced Solar Control
NxLite's revolutionary air-stable coatings deliver superior solar control performance that outperforms all existing air-stable solutions, dramatically reducing solar heat gain while maintaining optimal visible light transmission.

Advanced Solar Control
NxLite's revolutionary air-stable coatings deliver superior solar control performance that outperforms all existing air-stable solutions, dramatically reducing solar heat gain while maintaining optimal visible light transmission.

Advanced Solar Control
NxLite's revolutionary air-stable coatings deliver superior solar control performance that outperforms all existing air-stable solutions, dramatically reducing solar heat gain while maintaining optimal visible light transmission.

Window Insulation up to R8¹
Innovative double-pane window insert design transforms existing single-pane glazing (R1) into high-performance thermal barriers, creating substantial improvement in insulation values.

Window Insulation up to R8¹
Innovative double-pane window insert design transforms existing single-pane glazing (R1) into high-performance thermal barriers, creating substantial improvement in insulation values.

Window Insulation up to R8¹
Innovative double-pane window insert design transforms existing single-pane glazing (R1) into high-performance thermal barriers, creating substantial improvement in insulation values.

Lower Building Operating Costs
By improving window performance, window inserts with NxLite coatings can reduce the demand on HVAC systems and lower operational costs.

Lower Building Operating Costs
By improving window performance, window inserts with NxLite coatings can reduce the demand on HVAC systems and lower operational costs.

Lower Building Operating Costs
By improving window performance, window inserts with NxLite coatings can reduce the demand on HVAC systems and lower operational costs.


Effortless Implementation
Effortless Implementation
Effortless Implementation
Amazingly Simple Installation
Experience hassle-free upgrades with streamlined installation process that eliminates the complexity, time, and disruption associated with traditional window replacements.
Achieve Green Goals
Achieve Green Goals
Achieve Green Goals
Meet Sustainability Goals
Window inserts made with NxLite coatings can help your building meet sustainability certifications and future codes.
Cities are implementing new requirements for existing buildings. Window inserts with NxLite coatings may help support compliance.
Cities are implementing new requirements for existing buildings. Window inserts with NxLite coatings may help support compliance.
Cities are implementing new requirements for existing buildings. Window inserts with NxLite coatings may help support compliance.
Ann Arbor
Aspen
Atlanta
Austin
Berkeley
Bloomington
Boston
Boulder
Brisbane
Cambridge
Chelsea
Chicago
Chula Vista
Columbus
Denver
Des Moines
Edina
Evanston
Fort Collins
Honolulu
Indianapolis
Kansas City
Lexington
Los Angeles
Madison
Miami
Minneapolis
New York
Orlando
Philadelphia
Pittsburgh
Portland
Reno
Salt Lake City
San Diego
San Francisco
San Jose
Seattle
South Portland
St. Louis
St. Paul
Washington DC
Ann Arbor
Aspen
Atlanta
Austin
Berkeley
Bloomington
Boston
Boulder
Brisbane
Cambridge
Chelsea
Chicago
Chula Vista
Columbus
Denver
Des Moines
Edina
Evanston
Fort Collins
Honolulu
Indianapolis
Kansas City
Lexington
Los Angeles
Madison
Miami
Minneapolis
New York
Orlando
Philadelphia
Pittsburgh
Portland
Reno
Salt Lake City
San Diego
San Francisco
San Jose
Seattle
South Portland
St. Louis
St. Paul
Washington DC
Retain Tenants
Enhanced Occupant Comfort
Create superior indoor environments that prioritize occupant well-being through improved acoustic performance, aesthetics, and protection from harmful elements.
Retain Tenants
Enhanced Occupant Comfort
Create superior indoor environments that prioritize occupant well-being through improved acoustic performance, aesthetics, and protection from harmful elements.
Retain Tenants
Enhanced Occupant Comfort
Create superior indoor environments that prioritize occupant well-being through improved acoustic performance, aesthetics, and protection from harmful elements.
Upgrade to a New Era of Efficiency
Reduce operating costs and increase occupant comfort with state-of-the-art NxLite window inserts. Transform your building's energy performance today without the disruption of traditional window replacement.
Upgrade to a New Era of Efficiency
Reduce operating costs and increase occupant comfort with state-of-the-art NxLite window inserts. Transform your building's energy performance today without the disruption of traditional window replacement.
Upgrade to a New Era of Efficiency
Reduce operating costs and increase occupant comfort with state-of-the-art NxLite window inserts. Transform your building's energy performance today without the disruption of traditional window replacement.
1 Adding double-paned insert to existing single-pane window
2 https://indowwindows.com/noise-disclaimer
Advanced Innovation and Manufacturing Center
41600 Haggerty Cir S
Canton, MI 48188
United States
Research Laboratory
74509-270 the Kingsway
Toronto, Ontario M9A 3T7
Canada
Copyright © 2024-2025 NxLite Inc. All rights reserved. NxLite™ is a trademark of NxLite Inc.
Advanced Innovation and Manufacturing Center
41600 Haggerty Cir S
Canton, MI 48188
United States
Research Laboratory
74509-270 the Kingsway
Toronto, Ontario M9A 3T7
Canada
Copyright © 2024-2025 NxLite Inc. All rights reserved. NxLite™ is a trademark of NxLite Inc.
Advanced Innovation and Manufacturing Center
41600 Haggerty Cir S
Canton, MI 48188
United States
Research Laboratory
74509-270 the Kingsway
Toronto, Ontario M9A 3T7
Canada
Copyright © 2024-2025 NxLite Inc. All rights reserved. NxLite™ is a trademark of NxLite Inc.