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FAQs for
residential applications
Should I call Guardian Glass if I need help with my window or door?
Can you explain what Low-E coatings are?
How do Low-E coatings work?
What types of Low-E are there?
Do Low-E coatings also affect visibility?
Can you explain how a home gains heat? How does it lose heat?
What is the Solar Heat Gain Coefficient?
What do U-value and R-value mean?
How do windows insulate my home?
What are the benefits of installing new windows?
What is the National Fenestration Rating Council (NFRC)?
What is ENERGY STAR®?
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commercial applications
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Products
Products
Segments
Architectural
Residential
Interiors
Technical
Transportation
Glass Types
Float
Low-E
Low-Iron
Jumbo
All Glass Types
Products
SunGuard®
Bird1st
TM
ClimaGuard®
ShowerGuard®
All Product Lines
Projects
Audiences
Audiences
Audiences
Architects
Fabricators
Glaziers
Interior Designers
Window Manufacturers
Homeowners
Appliance Manufacturers
Resources & Tools
Resources & Tools
Evaluation Tools
Glass Analytics
Glass Visualizer
Mobile Apps
Performance Comparison Tool (SunGuard)
Specification Tools
BIM
CADdetails
BIMobject
BSD SpecLink
Product MasterSpec
Resources
Glass Expert Library
Frequently Asked Questions
Warranty Information
Conditions of Sale
Organizations & Associations
Video Library
Product Literature
Glossary
Training
Glass Basics
Continuing Education Units
Sustainability
EPDs & HPD
LEED Credits
Sustainability Calculator
Network
Network
Our Network
Find a Fabricator
Find a Glazier
Find a Window Manufacturer
Find a ShowerGuard® Dealer
Programs
Guardian Select® Fabricator
Guardian Glazier Connection™
Services & Support
Services & Support
Services & Support
Design/Technical Services
Architectural Sales
Glass Sales
Calculation Services
Residential Partnership
About
About
About
See What's Possible
TM
About Guardian Glass
Our History
Our Culture
Locations
Sustainability
Request a Sample
News
Careers
Insights
Contact
North America / English