Glass Packages Specific to Your Needs
Insulated glass units increase the energy efficiency of your windows beyond ordinary clear glass. When you select Energy Star Rated as your glass type option, Pittsburgh Windows Direct automatically selects the glass type recommended by Energy Star for your region and specific climate challenges.
Climate Zone Performance
WINDOWS
| CLIMATE ZONE | U-FACTOR¹ | SHGC² |
|---|---|---|
| Northern | ≤ 0.27 | Any |
| North-Central | ≤ 0.30 | ≤ 0.40 |
| South-Central | ≤ 0.30 | ≤ 0.25 |
| Southern | ≤ 0.40 | ≤ 0.25 |
Prescriptive
Enhanced Energy Performance
Selecting Basic Low E (Climatech) instead of Energy Star Rated in the window builder results in you getting the most common Energy Star Rated glass type. Climatech is the recommended glass type for the North-Central region and is a great option for most installations.
Tested and Proven
ASTM Tested
Meets rigorous testing standards for quality and safety
Energy Efficient
Reduces energy costs and environmental impact
Quality Assured
Backed by comprehensive warranty and support
All windows sold by Pittsburgh Windows Direct meet or exceed Air, Water and Structural Loads performance requirements as determined through ASTM (American Society for Testing and Materials) test methods, the globally recognized standards for product quality and safety.
STAR
Energy Star Certification
The Energy Star label certifies that the window is a positive choice for energy efficiency, fuel savings and the environment. Energy Star is a government-backed voluntary partnership program sponsored by the U.S. Environmental Protection Agency and the U.S. Department of Energy to help consumers recognize energy-efficient products. Its good for you and good for the environment!
