Accredited HERS® Rating and HERS Carbon Index Software Tools

The following is a listing of energy rating software programs that have been accredited by RESNET. To identify the version of an accredited software program that applies to a Rating based on permit date, click here: RESNET Accredited Software Programs

APEX
Current Version: 1.8.0
Pivotal Energy Solutions, LLC
3316 East Maplewood Street
Gilbert, AZ 85297
Phone: 480.440.0345
Email: rburns@pivotalenergysolutions.com
Website: pivotalenergysolutions.com/
Contact: Robert Burns
Date of Expiration: December 31, 2025

Ekotrope
Current Version: 5.1.0
Previous Versions: 1.9.0, 2.1 2.2, 3.0, 3.1, 4.0, 4.1, 4.2, 5.0
Ekotrope
68 Harrison Ave Ste 605
#33888
Boston, MA 02111-1929
Phone: 617.453.8043
Fax: 617.401.3645
Email: cy@ekotrope.com
Website: ekotrope.com
Contact: Cy Kilbourn, Director of Engineering
Date of Expiration: December 31, 2025

EnergyGauge® USA
Current Version: 8.1.08
Previous Versions: 4.0, 5.1, 6.0, 7.0, 7.5, 8.1
Florida Solar Energy Center
1679 Clearlake Road
Cocoa, FL 32922-5703
Phone: 321.638.1437
Fax: 123.456.7891
Email: tkucharski@fsec.ucf.edu
Website: www.energygauge.com/usares
Contact: Tei A.. Kucharski
Date of Expiration: December 31, 2025

REM/Rate
Current Version: 2025
Previous Versions: 14.6.4, 15.2, 15.3, 15.4, 15.5, 15.6, 15.6.1, 15.7, 15.8, 16.0, 6.1, 6.2, 16.3, 16.3.2 (Only accredited for 301-2019), 16.3.3, 16.3.4, 2023
NORESCO
11030 Circle Point Rd.
Suite 425
Westminster, CO 80020
Phone:
Email: tleslie2@noresco.com
Website: www.noresco.com/
Contact: Tim Leslie
Date of Expiration: December 31, 2025

Accredited rating software tools provide the calculations necessary to produce a home energy rating. The requirements to be an accredited rating software program are defined in Chapter Three of the Mortgage Industry National Home Energy Rating Standards.

• Mortgage Industry National Home Energy Rating Standards
  • Chapter Three of the standards governs rating software program accreditation
• RESNET Rating Software Program Accreditation Application 
  • Click on Application for RESNET Accreditation section below for all forms.
• Procedures for Verification of RESNET Accredited HERS® Software Tools:
  • 2024 Procedures for Verification of RESNET Accredited HERS® Software Tools (Pub-002 – for accreditation in accordance with 301-2022 + Addenda A, B, C and E)

To apply for RESNET accreditation of a Rating Software Tool you must complete the following forms:

• RESNET Rating Application Software Tool Application and Instructions 
• AHRAE Standard 140 Results Form
• HERS® Reference Home Rating Software Auto-Generation Test
• HERS® HVAC Tests
• HERS® Duct Distribution Efficiency Tests
• HERS® Hot Water Performance Tests
• HERS® Method Test