REM/Rate™ is a user-friendly, sophisticated, residential energy analysis, code compliance and Home Energy Rating (HERS®) software developed specifically for the needs of HERS® Providers and Home Energy Raters.

REM/Rate™ Lite is for non-RESNET® providers is available and does not produce HERS index but ERI index is available. Climate data is available for cities and towns throughout North America.

REM/Rate™ software calculates heating, cooling, hot water, lighting, and appliance energy loads, consumption and costs for new and existing single and multi-family homes. Climate data is available for cities and towns throughout the U.S. and Canada. As a home energy rating tool, REM/Rate™ meets the following requirements:

  • Complies with RESNET® National Home Energy Rating Standards as promulgated by the Residential Energy Services Network (RESNET®), including an hourly HERS simulation engine option.
  • Calculates energy loads, consumption and costs as well as sizes mechanical equipment and performs automatic International Energy Conservation Code compliance analysis.

In addition to energy rating, REM/Rate™ creates the following value-added information:

  • U.S. EPA ENERGY STAR® Certified Homes v3.x and Multifamily New Construction v1.x Home Analysis.
  • DOE Zero Energy Ready Home Certification
  • Energy code compliance (IECC 1998 - 2018)
  • National Green Building Standard™ (NGBS) Compliance
  • LEED® for Homes compliance
  • Heating and cooling equipment sizing

REM/Rate™ operates in Windows® and has many unique features including extensive component libraries, automated energy efficiency improvement analysis, duct condition and leakage analysis, latent and sensible cooling analysis, lighting and appliance audit, and active and passive solar analysis.

HERS® Providers throughout the U.S. use REM/Rate™ Software. The Software has a User Defined Reference Home feature which enables the HERS® Provider to create other reference homes (local construction practice, local code) that can be compared to the rated home. It also has an Export Database feature that creates a database of inputs and outputs for statistical analysis, archiving ratings and custom report generation.

License & Download


REM/Design is being phased out and new Licenses are not being issued. It is being replaced with REM/Rate Lite. To inquire about getting a previous version submit a ticket to the support desk, please email us.

About: REM/Rate™ and REM/Design™ are trademarks of NORESCO, LLC. NORESCO is part of Carrier Global Corporation.