Single Pane vs. Double Pane WindowsRyan Kirkland

Tim ShuckMichelle Tomey

Jonathan Yoshioka

Criteria

Average 2,500 Sq-Ft home

4 Ton Central A/C Unit

10 Windows

6900 kW/Yr usage

Billed at an average of $0.22/kWh

Southern California Edison provided energy

Retrofit style windows in both single and double pane analysis

Approach

Initial Investment Analysis Installation Window Cost

Maintenance Pane Gas Glass Replacement Sealant

Energy Savings Government Initiatives & Tax

Credits Heating/Cooling Costs

Service Factor/Life

Heat Flow & Transfer Resistance R-Value Ratings U-Value Ratings

Resources

Energy Star.gov http://www.energystar.gov/index.cfm?fuseaction=

find_a_product.showProductGroup&pgw_code=WI

Energy.ca.gov

Southern California Edison www.sce.com