Design Smarter HVAC Systems—With Certainty
Create, simulate and validate energy-efficient HVAC systems with a physics-based design tool used by top consultants and engineers worldwide.
Book a time to see the Hysopt Designer in action
- See how to spot design errors before installation
- Discover ways to cut HVAC energy costs by up to 30%
- Learn how to compare multiple system configurations in minutes
The best trust Hysopt












Engineers Using Hysopt Designer Report...
- 30% reduction in HVAC energy usage
- 50% faster commissioning with fewer site errors
- ROI in < 12 months on most retrofit projects
- CO₂ reduction insights that accelerate sustainability plans
These aren’t estimates—these are outcomes from real projects using Hysopt’s digital twin simulation engine.


Get It Right Before You Build
- Digitally prototype HVAC systems before installation
- Compare and optimize multiple system configurations
- Automatically detect errors, oversizing, or inefficiencies
- Deliver transparent performance reports to stakeholders
Stop guessing. Start validating with Hysopt Designer.

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Experience the power of Hysopt first hand
Still Have Questions?
Can Hysopt Designer be used for retrofit and new-builds?
Yes — it’s perfect for both, helping teams compare options for energy, CO₂, and cost.
Is it easy to learn?
If you know HVAC, you’ll know Hysopt. Drag-and-drop design + guided training included.
How is it different from other HVAC design software?
Hysopt Designer is physics-based and simulates system behavior—not just static calculations.