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Section 4: What Do I Need to Know About Energy Performance and Energy Efficiency?

Window Buyer's Guide
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  1. Window Buyer's Guide
  2. Section 4: What Do I Need to Know About Energy Performance and Energy Efficiency?

Expert Overview

  1. The difference between energy efficiency and energy ratings.
  2. The factors that determine energy ratings, and what the numbers mean.
  3. The many benefits of energy-efficient windows.
Article 1

Windows and Energy: A Glossary of Terms

A reason you might be shopping for windows is that your old windows aren't energy efficient - they let heat in during the summer and cold in during the winter.
Article 2

How Energy-Efficient Windows Help You Save Money

Energy-efficient windows save homeowners money because they provide insulation from the temperature outside, letting your furnace and air conditioner work less.
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