This report presents a review of selected home energy auditing tools. The energy audit tools reviewed in this study include REM/Rate, BEACON Home Energy Advisor, EnergyInsights, Home Energy Tune-uP, EnergyGauge, TREAT, the National Energy Audit Tool (NEAT), Home Energy Saver Professional (HESPro), and RealHomeAnalyzer.

This report provides information for states intending to set up a new revolving loan fund for state energy programs.