U.S. Department of Energy - Energy Efficiency and Renewable Energy

Consumer's Guide – Energy Calculators and Software

Buildings

The following list of tools and calculators may be of use to building managers. These tools can help you make decisions about using energy efficient technologies in your buildings.

Software

• Building Energy Software Tools Directory

  Features a list of over 300 software tools developed primarily for the buildings industry. From the U.S. Department of Energy

Commercial HVAC Equipment Cost Calculators

Input product-specific data or use default values to estimate the lifetime energy savings of equipment at various efficiency levels. From the U.S. Department of Energy

• Air-chilled coolers
• Boilers
• Commercial Unitary Air Conditioners
• Commercial Heat Pumps
• Water-Cooled Chillers

Commercial Appliance Cost Calculators

• Ice Machines

  Estimate energy savings of ice machines with various energy efficiency levels. From the U.S. Department of Energy

• ENERGY STAR Cost Calculators

  Find product information and savings calculators for a wide array of ENERGY STAR products.

Lighting Technologies Cost Calculators

• Compact Fluorescent Lamps

  Find the payback period when replacing incandescent bulbs with compact fluorescent lamps. From the U.S. Department of Energy

Water Saving Technologies Cost Calculators

Find the lifetime energy savings of water saving technologies with varying efficiencies. From the U.S. Department of Energy

• Faucets/Showerheads
• Toilets/Urinals

Related Information

Building managers may also be interested in the following home energy calculators:

• Renewable Energy Systems
• Space Heating and Cooling
• Water Heating