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• Measure/Install Guides
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• Energy Efficiency
  • ENERGY STAR®
  • 2011 Federal Tax Credits
  • NFRC Product Rating
  • DOE R5 Program
  • Window Performance
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Energy Efficiency Programs

Mathews Brothers is dedicated to looking for innovative solutions for improving energy efficiency in our window and door products.

ENERGY STAR®
Choose windows that meet the ENERGY STAR performance levels for your region.

2011 Federal Tax Credits for Consumer Energy Efficiency
Law extends the tax credits for energy efficiency into 2011.

National Fenestration Rating Council®
The NFRC label provides the only reliable way to determine the window energy properties and to compare products.

DOE R5 High Performance Window Volume Purchase Program
Mathews Brothers is participating in the Department of Energy’s Building Technologies Program – High Performance Window Volume Purchase Program.

Whole Window Performance Information
Mathews Brothers recommend that architects, builders and consumers consider “whole window performance” when making their window choices.