HVAC Engineering Software
Precision Tools for
Modern HVAC Design
Professional-grade calculation software built by an engineer, for engineers. From load calculations to controls design, these are tools that work as hard as you do.
The JΔS Engineering Suite
Load Calculations
Comprehensive heating and cooling load analysis with ASHRAE-compliant methodologies and automated zone management.
- >Block & system loads
- >Peak demand analysis
- >UFC/DoD workflows
- >EnergyPro methodology
Psychrometric Tools
Full psychrometric analysis with interactive charts, process visualization, and air handling unit design assistance.
- >Interactive psych chart
- >Process calculations
- >Coil analysis
- >Mixed air conditions
Duct & Pipe Sizing
Automated duct and piping system design with pressure loss calculations and equipment selection tools.
- >Equal friction method
- >Static regain
- >Fitting loss database
- >Hunter's curve plumbing
Controls Designer
Generate DDC diagrams, sequences of operation, and control logic for any HVAC system configuration.
- >DDC diagram generation
- >Sequence templates
- >Points list export
- >BACnet integration
Report Generation
Professional engineering reports with automated calculations, charts, and compliance documentation.
- >Custom templates
- >Auto-generated charts
- >PDF/DOCX export
- >Stamp-ready formats
Equipment Selection
Size and select HVAC equipment with manufacturer data integration and performance verification.
- >AHU sizing
- >Pump selection
- >Fan curves
- >Capacity verification
By Engineers, For Engineers
Real-World Tested
Developed in the trenches of actual project work. Every feature exists because it solved a real problem on a real deadline.
Standards Based
Built on ASHRAE methodologies, UFC/DoD requirements, and California Title 24 workflows. Designed to align with industry standards from day one.
No Bloat
Focused tools that do one thing well. Fast startup, clean interface, and IP units by default. Just the features you actually need.
Join the Alpha Program
The JΔS Engineering Suite is currently in active development. Looking for engineers who want early access to help shape the tools, find the bugs, and influence the roadmap. Free access during alpha in exchange for your feedback.
Request Alpha Access