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Accredited Software Rating Tools

Accredited software rating tools have been verified by RESNET® to properly calculate an Energy Rating Index in accordance with ANSI and RESNET Standards.

The following is a listing of energy rating software programs that have been accredited by RESNET®. The versions/modes listed below for RESNET HERS® Accreditation indicate the range of Building Permit Dates (in parentheses) for which each version/mode can be used to submit registered ratings.

IECC Compliance lists versions/modes of the software that complies with the minimum requirements to adopt the version/modes of the ANSI/RESNET/ICC Standard 301 edition (plus addenda) adopted by the respective edition of the IECC code.

APEX
RESNET HERS Accredited versions/modes for given Building Permit Dates
1.9.2 – Mode: 301-2022CE (2025-05-07 — ongoing)
1.9.2 – Mode: 301-2019ABCD (2022-10-21 — 2026-12-31)
1.9.1 – Mode: 301-2019ABCD (2022-10-21 — 2026-12-31)

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

Ekotrope
RESNET HERS Accredited versions/modes for given Building Permit Dates
5.2 (2025-05-07 — ongoing)
5.1 (2025-05-07 — 2026-02-28)
5.0 (2025-05-07 — 2026-02-28)
4.2 (2022-10-21 — 2026-12-31)

IECC 2024 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2022 with Addenda A and B)
5.2
5.1
5.0

IECC 2021 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2019)
5.2
5.1
5.0
4.2
4.1

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

EnergyGauge USA
RESNET HERS Accredited versions/modes for given Building Permit Dates
8.2.00 – Mode: 2022 (2025-05-07 — ongoing)
8.2.00 – Mode: 2019 (2022-10-21 — 2026-12-31)

IECC 2024 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2022 with Addenda A and B)
8.2.00

IECC 2021 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2019)
8.2.00

Coded Energy
P.O. Box 537
Thornton, CA 95686
Phone: 888.449.2617
Email: support@codedenergy.com
Website: www.codedenergy.com/energygaugeusa
Contact: Spencer Rosen

HouseRater
RESNET HERS Accredited versions/modes for given Building Permit Dates
4.1.1.3 (2025-05-07 — ongoing)
3.4.1.1 (2022-10-21 — 2026-12-31)

IECC 2024 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2022 with Addenda A and B)
4.1.1.3

IECC 2021 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2019)
4.1.1.3

HouseRater
PO Box 12067
St Paul, MN 55112
Phone: 732.492.0930
Email: george.murray@houserater.com
Website: www.houserater.com
Contact: George Murray

REM/Rate
RESNET HERS Accredited versions/modes for given Building Permit Dates
2025 – Mode: 2022 (2025-05-07 — ongoing)
2025 – Mode: 2019 (2022-10-21 — 2026-12-31)

IECC 2024 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2022 with Addenda A and B)
2025

IECC 2021 Compliant versions/modes (adopts ANSI/RESNET/ICC 301-2019)
2025
2023
16.3.4

REM/Rate LLC
11030 Circle Point Rd.
Suite 425
Westminster, CO 80020
Phone:
Email: timl@remrate.com
Website: www.remrate.com
Contact: Tim Leslie

When an Energy Rating Index (ERI) is used to demonstrate IECC compliance using Section R406, the ERI “shall be determined in accordance with ANSI/RESNET/ICC 301”, which requires the use of ‘approved software rating tools’.

Use the links above to confirm the software tool listed in permit application documents are ‘approved’.

Additionally, for an ERI to be determined in accordance with ANSI/RESNET/ICC 301, “approved inspectors”, “approved testers”, and/or “certified raters” are required and must be approved by ‘approved rating providers’. A link to approved providers is here.

Individuals ‘approved’ for performing energy ratings in accordance with ANSI/RESNET/ICC 301 can be found here.

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 RESNET HERS Standards.