AutoCool™ for Revit: Practical AI That Supports Engineering Judgment
- May 21
- 3 min read
Artificial intelligence has become a major topic across the AEC industry, often framed as a disruptive force capable of replacing traditional engineering workflows. Most practicing engineers recognize a different reality: HVAC load calculations still depend on physics, codes, experience, and professional judgment.
AutoCOOL for Revit was developed with that balance in mind.
AutoCOOL is a space-level HVAC load calculation platform built specifically for engineers working inside Revit. It combines proven ASHRAE-based methodologies with practical automation and selective uses of AI to reduce repetitive work while keeping engineers fully in control of design decisions.
Engineering First. AI Where It Adds Value.
AutoCOOL does not use AI to perform HVAC load calculations.
Heating and cooling loads are calculated using established engineering methodologies derived from the ASHRAE Handbook of Fundamentals, along with ventilation and exhaust concepts from ASHRAE 62.1 and ASHRAE 170.
AI is applied only where it improves workflow efficiency without obscuring engineering assumptions. For example, AutoCOOL can suggest likely space types based on room names, building types, and patterns learned from prior projects. These recommendations are always optional, visible to the user, and require explicit engineer confirmation. They never apply automatically and never override user inputs.
This reflects a deliberate philosophy: AI should support engineering workflows—not replace engineering judgment.
Built for Real-World BIM Conditions
AutoCOOL was developed alongside an active engineering practice and shaped by real project experience.
Architectural models are often incomplete, evolving, or inconsistently constructed throughout design. Rather than requiring perfect BIM conditions, AutoCOOL allows engineers to continue working using a combination of model geometry, engineering assumptions, and controlled overrides.
The platform is designed to adapt to real-world workflows, including:
Incomplete architectural models
Evolving room layouts
Air gap and room bounding challenges
Manual engineering overrides
Rapid design iteration
Multi-user Revit environments
Missing information does not stop the workflow. Engineers remain in control of assumptions and calculations throughout the process.
A Revit-Native Engineering Workflow
AutoCOOL is organized around a focused, space-driven workflow that mirrors how engineers approach HVAC design.
Key workflow components include:
Project Defaults for global design criteria
Space-by-space engineering review
Instant load recalculation
Integrated reporting and scheduling
Model-based data storage directly within the Revit workflow
Calculations remain closely connected to the BIM environment rather than relying on disconnected external analysis tools. Engineers can review, adjust, and coordinate results directly within the design model.
Each space is treated as an independent engineering decision. Inputs remain transparent, assumptions are visible, and overrides are intentional and preserved.
Practical Automation That Reduces Repetitive Work
Much of AutoCOOL’s value comes from practical workflow automation rather than AI alone.
The platform streamlines repetitive engineering tasks including:
Envelope data extraction
Space navigation and review
Design condition management
Schedule and report generation
Recalculation workflows
Model synchronization support
These capabilities help engineering teams improve consistency, reduce manual effort, and maintain project momentum during fast-moving design cycles.
Intelligent Assistance Without Black-Box Calculations
As engineers review and confirm assumptions, AutoCOOL’s AI-assisted workflows can improve future recommendations over time. This creates a practical feedback loop that captures engineering experience while preserving accountability with the engineer of record.
Transparency remains central to the platform:
Assumptions remain visible
Inputs remain editable
Recommendations remain reviewable
Engineering decisions remain human-controlled
AutoCOOL was never intender to automate engineering judgement. Its purpose is to reduce friction within the engineering process so teams can spend more time focused on design, coordination, and problem solving.
Looking Forward
AutoCOOL represents part of a broader shift toward practical engineering automation within BIM workflows. Future AI-MEP technologies, including AutoGrid™ and AutoElec™, are being developed with the same philosophy: use automation and AI to improve engineering efficiency while maintaining transparency, accountability, and engineer control.
In an industry facing tighter schedules, growing model complexity, and increasing demands on engineering teams, the goal remains straightforward:
Use AI and automation to support engineers—not replace them.
Written By:
Ted Fitzemeyer
Founder
