Carrier Block Load
by Carrier Global
Commercial HVAC system sizing by the pioneers of AC
5.2 - Good Free · Free Free Tier 19 Features
4 Integrations
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www.carrier.com

About This Product
Free commercial HVAC load calculation software from Carrier using ASHRAE methodology for system sizing, equipment selection, and energy analysis on commercial projects. Provides rigorous engineering calculations for commercial building design. Developed by the company founded by Willis Carrier, the inventor of modern air conditioning.
FSH Score Breakdown
Ease of Use 9.0
Features 0.0
Support 7.2
Value 8.2
Integrations 6.8
AI Capabilities 1.5
Customer Reviews
Features
19 features confirmed across
9categories· Showing confirmed capabilities only
Compliance & Safety5features
Manual J CalculationsASHRAE Radiant Time Series (RTS) and Transfer Function Method (TFM) load calculationsBlock Load CalculationsSpreadsheet-style input formatsAirflow CalculationsHourly psychrometric information reportingEnergy Modelingbuilding energy modelingPipe Designrefrigerant piping design
Equipment & Asset Management4features
Equipment SelectionSizing for rooftop units, VRF, central station air handling units, fan coils, and water source heat pumpsBAS AutomationAutomatic building orientation adjustmentDemand ControlAutomatic building orientation adjustmentRemote DiagnosticsDiagnostic tools for load analysis
Platform & Customization3features
Unit ConversionSupport for English and S.I. Metric unitsCustom FieldsSearch-and-replace functionalityData ExportPDF and word processor report export
Estimating & Quoting2features
Quoting & Estimatessystem analysisSystem Designsystem design
Hardware Features1feature
Multi-Unit MeasurementEnglish and S.I. Metric unit support
Scheduling & Dispatch1feature
Weather Data IntegrationGlobal weather database covering 700+ cities
Invoicing & Payments1feature
Price BookRegular program updates
Reporting & Analytics1feature
Economic Analysislifecycle cost analysis
Training & Education1feature
Manual J/S/D Load CalculationsAShRAE Radiant Time Series (RTS) load calculation
Integrations 4 across 1 category
Productivity 4
AutoCAD Native
Autodesk Revit Native
Microsoft Excel CSV
Microsoft Project Native
Pricing
- Model
- Free
- Starting at
- Free
- Notes
- Free OEM tool from Carrier. Requires registration. Desktop application for Windows.
Related Products 9 across 1 category
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