Best H2X Alternative for HVAC System Software
H2X vs Hysopt
H2X is trusted for fast pipe sizing and basic flow calculations — but real HVAC performance needs more than static sizing. Hysopt adds full dynamic system simulation, hydraulic balancing, and control strategy validation, so your designs deliver real comfort, energy savings, and verified results.
What’s the Difference between H2X and Hysopt?
H2X helps MEP consultants size pipes, valves and fittings quickly. It’s great for generating straightforward pipework layouts and simple water flow estimates.
But here’s the gap:
Pipe sizing alone doesn’t guarantee that the whole system works as intended.
Hysopt closes that gap. It combines pipe sizing with detailed thermal simulation, full hydraulic design, control logic validation and energy optimisation — so engineers move from static pipe runs to fully verified, high-performance HVAC systems.
- Included
- Core feature
- Full thermal, hydraulic & controls
- Not available
- Detailed balancing
- Not included
- Included
- Not included
- Built-in
- Not available
- Automated design deliverables
- Basic sizing output
Why HVAC Engineers Choose Hysopt
1. From Sizing to Performance
H2X does pipe sizing. Hysopt checks the entire HVAC system — so you avoid hidden oversizing, balancing issues and costly fixes on site.
2. Balance and Optimise
Hysopt’s simulation shows exactly how flows, temperatures and control logic interact — cutting waste and boosting efficiency.
3. Deliver Proof, Not Just Pipes
Back up your design with clear performance and CO₂ savings reports clients trust.
Who Benefits from Switching to Hysopt?
MEP Engineers & Designers
Go beyond pipe runs — deliver complete, optimised HVAC systems.
Commissioning & Operations Teams
Verify flows and balancing upfront to avoid last-minute tweaks.
Facility & Energy Managers
Achieve measurable energy and carbon savings with system-level checks.
How to Move from H2X to Hysopt
Switching from basic pipe sizing with H2X to full dynamic HVAC system simulation with Hysopt is straightforward and gives you deeper insights without losing your existing work.
• Use your pipe sizing results as a starting point
• Build full hydraulic network models with guided workflows
• Simulate thermal performance, balancing and controls in one tool
• Get expert onboarding support to transition fast and smoothly
- Advanced engine
- Static sizing only
- Built-in
- Not available
- Integrated
- Not included
- Proven reports
- Not included
- Full hydronic network
- Pipework only
Frequently asked questions
Does Hysopt replace H2X for pipe sizing?
Is Hysopt more difficult to learn than H2X?
Can I import my H2X pipe sizing results into Hysopt?
How does Hysopt help cut costs compared to H2X?
Ready to see the Difference?
Make the switch from H2X to Hysopt today — and deliver HVAC systems that don’t just look good on paper but work as designed, with verified energy and CO₂ savings.
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