• Vision & Mission
• Plans, Implementation, & Results
• Energy Savings Goals
• Multi-Year Program Plan
• Organization
• National Laboratories
• Contacts

Improving the Energy Efficiency of Commercial Buildings

The U.S. Department of Energy's (DOE) Building Technologies Program (BTP) works to improve the energy performance of existing and new commercial buildings. Learn about our work and access software and resources developed by BTP.

Software Tools

• EnergyPlus—Highly popular software for modeling building energy flows
• OpenStudio—Google SketchUp plugin to create building geometry for EnergyPlus
• Building Energy Software Tools Directory—Database of over 300 tools
• Qualified Software for Calculating Tax Deductions—Approved software for federal tax incentives

Programs

• Commercial Building Initiative—Highlights of BTP's research to improve building efficiency including design and evaluation information and key publications
• Building Energy Codes—Software tools and information to help clarify energy code compliance
• Solid-State Lighting—Information about DOE's partnerships to advance the development and market introduction of solid-state lighting

Partnerships

• Commercial Building Energy Alliances— Informal associations of commercial building owners and operators working to reduce energy use in retail, commercial real estate, and health care
• Commercial Building Partnerships—Organizations selected to work with DOE to achieve energy saving goals for specific retrofit and new construction projects
• BetterBuildings—Information about communities throughout the U.S. that received DOE support and funding to improve the efficiency of existing buildings

Resources

• High Performance Buildings Database—Case studies of energy-efficient buildings
• Tax incentives—Financial incentives that can help improve your building
• Window Volume Purchase—Listing of vendors offering high performance (R-5) and low-e storm windows
• Appliance Standards—Test procedures and minimum efficiency standards