Energy Modeling & Auditing Tools

Amply

Amply

4.6 - Fair

Heat pump design made simple

BEopt

National Renewable Energy Laboratory

5.3 - Good

Free NREL tool for optimizing residential building energy efficiency strategies, balancing performance and cost for new construction and retrofits.

Carrier HAP

Carrier Global Corporation

6.1 - Good

Hourly Analysis Program combining HVAC system design and energy modeling with ASHRAE Heat Balance load method for commercial buildings.

DesignBuilder

DesignBuilder Software Ltd

6.5 - Good

EnergyPlus-based building simulation with intuitive 3D modeling for HVAC thermal performance, daylighting, CFD, and cost analysis.

EDS Auditor

Energy Design Systems (EDS)

6.1 - Good

Fast whole-house block load calculator calibrating to actual utility bills and generating utility-program-compliant PDFs. The fastest contractor load calc tool.

Ekotrope

Ekotrope

4.6 - Fair

Energy ratings made simple

Eli

Eli Technologies

3.8 - Fair

Find every rebate, instantly

EnergyGauge USA

Florida Solar Energy Center (FSEC)

5.7 - Good

The only ACCA-certified residential energy modeling tool with full Florida Building Code compliance, HERS rating, and bundled Kwik Model 3D for duct drawing.

EnergyHub

EnergyHub Inc.

4.0 - Fair

Connecting homes to the grid

Hancock Software

Hancock Software Inc. (Banyan Software)

4.1 - Fair

Energy program management, automated

Home Energy Score

U.S. Department of Energy

5.9 - Good

A national standard for home energy ratings

IES Virtual Environment

Integrated Environmental Solutions

7.0 - Excellent

Comprehensive building performance simulation platform for energy, HVAC loads, daylighting, airflow, and sustainability certification analysis.

Instafill.ai

Instafill Inc.

3.9 - Fair

AI-powered rebate applications in minutes

OptiMiser

OptiMiser Energy Inc.

4.1 - Fair

Home performance software, streamlined

Pearl Certification

Pearl Certification Inc.

5.1 - Good

Certify the value of high-performance homes

RESNET HERS

RESNET (Residential Energy Services Network)

5.4 - Good

The national standard for home energy ratings

Sealed Pro

Sealed Inc.

3.5 - Fair

Rebate paperwork, solved

SnapCount

Streamlinx / SnapCount

4.3 - Fair

Energy audits without the clipboard

Trane TRACE 3D Plus

Trane Technologies

6.4 - Good

3D HVAC design software with automated load calculations, energy modeling, and LEED/ASHRAE 90.1 compliance wizards for commercial projects.

Zero Homes

Zero Homes

5.9 - Good

The first fully remote ACCA Manual J-approved platform for compliant load calculations without in-home walkthroughs, saving 3+ hours per bid.