NIST HVAC-Cx
by National Institute of Standards and Technology
Last updated Mar 29, 2026 · 1 revision
Free NIST semi-automated commissioning tool for HVAC fault detection using expert rules applied to BMS data for AHUs, chillers, and terminal units.
5.5 - Good Free · Contact for pricing Free Tier 15 Features
6 Integrations
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www.nist.gov
About This Product
HVAC-Cx is a semi-automated commissioning software tool from NIST designed for HVAC performance analysis in commercial buildings. Analyzes large amounts of data from building energy management systems, applies fault detection expert rules for air handling units, chiller loops, and terminal units, and presents simplified diagnostic results in graphs and tables.
FSH Score Breakdown
Ease of Use 5.0
Features 6.5
Support 4.0
Value 9.0
Integrations 3.0
AI Capabilities 2.0
Customer Reviews
Features
15 features confirmed across
8categories· Showing confirmed capabilities only
Equipment & Asset Management3features
Remote DiagnosticsProvide diagnostic assistance through a list of possible causes for each fault detectedRemote MonitoringPassive surveillance of system operationChiller EvaluationChiller loop performance assessment
AI & Automation3features
Anomaly DetectionAir-handling unit (AHU) fault detectionAutomation RulesSupport custom rules introductionAI SupportDiagnostic Assistance
Reporting & Analytics2features
ReportingGraphical User Interface (GUI) for diagnostic reportsAnalyticsData analysis from building energy management systems (BEMS)
Technician Management2features
Automated Quality AssuranceActive testing using customizable test scriptsTraining CoursesBACnet Integration
Platform & Customization2features
Document ManagementAutomated documentation of test resultsData ImportCSV Data Import
Mobile & Field Tools1feature
AR VisualizationIntuitive Visualization
Compliance & Safety1feature
HVAC CommissioningPre-built functional performance test scripts
Training & Education1feature
Building Automation & ControlsReal-time interaction with BACnet systems
Integrations 6 across 3 categories
Industry-Specific 3
BACnet Native
Modbus Native
Niagara Framework Native
Productivity 2
Google Sheets CSV
Microsoft Excel CSV
Data & Automation 1
Microsoft Power BI API
Pricing
- Model
- Free
- Starting at
- Contact for pricing
- Notes
- HVAC-Cx is a free software tool developed by the National Institute of Standards and Technology (NIST). No commercial licensing or subscription fees.
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