h2x
Reviews
Star rating
Rank in MEP
Pros and cons
Pros
Cons
Traffic & LLM citations
Source: G2 review data
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 61.9% |
| Mid-Market | 28.6% |
| Enterprise | 9.5% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2026 Q2 | 2 | 5.0 |
| 2026 Q3 | 19 | 4.7 |
Satisfaction ratings
What reviewers say
Accurate, Confidence-Boosting Heating & Heat Pump System Design
“What I like best about H2X is the level of accuracy and confidence it gives you when designing heating and heat pump systems. The platform makes it easy to produce detailed, reliable system designs while taking into account all the important calculations and requirements. Havi”
The best tool for teaching plumbers about water service design.
“The UI is quick to learn. The calculation methods cover what we need for water service design. The 3D mode is invaluable for confirming modelling accuracy. As a lecturer in water service plumbing design, H2X have been VERY supportive across the years. If you want to run the best ”
Great Training and Responsive Help Desk Support
“The help desk. I've only started with H2X, but the traing offered and quick reply to the help requests are great.”