1. [Home](https://www.g2.com/) 2. ... 3. [MEP Software](https://www.g2.com/categories/mep) 4. [h2x Discussions](https://www.g2.com/products/h2x/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_7cf7836a4e0b455eb708f5728ada08ee/h2x.jpg "Product Avatar Image") ](/products/h2x/reviews) [ h2x ](/products/h2x/reviews) (21)4.8/5 h2x is an all-in-one design solution that brings every step of the mechanical, plumbing, and fire design process into one platform, including design layout, calculations, compliance, documentation, and collaboration. Featuring real-time speed and engineering-grade accuracy, engineers can trace and control every output and complete a full system design, including heat load, in minutes. Trusted by teams of all sizes and for a range of project types and sizes (with over 50,000 designs completed and counting), h2x has over 5,000 paying users from over 40 countries. Key features include: ● Heat load calculations (ASHRAE 183 compliant) ● Full system design (mechanical, plumbing, fire) ● CIBSE-verified calculations (flow rates, pressure drops, pipe and duct sizing, equipment and pump sizing) ● 3D mode ● Exports (drawing sets, bill of materials, calculation reports) ● Integrations (AutoCAD and Revit) ● Live support and training Show More * * * ### 20 Discussions ### 20 Participants ### 85.0 Nps Score Already have h2x? ### All h2x Discussions Search Most CommentedMost HelpfulCommon QuestionsNewest All DiscussionsDiscussions with CommentsCommon QuestionsDiscussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Common Questions Newest Filter by All Discussions Discussions with Comments Common Questions Discussions without Comments AH Loading... [Alan H.](https://www.g2.com/users/443efc7c-355d-45df-8d17-eebf0b370959 "Alan H.") • about 1 month ago Head of Programs Plumbing and Gas-fitting Head of Programs Plumbing and Gas-fitting More Options - [ # How do you stop H2X from re-sizing water heating equipment and messing up your pipework? ](/discussions/how-do-you-stop-h2x-from-re-sizing-water-heating-equipment-and-messing-up-your-pipework) To avoid the problem of water heater objects re-sizing during resulting, manually enter sizes for the equipment in the properties box. I usually change the default sizes by 5mm and that locks the size during resulting. 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[Mark G.](https://www.g2.com/users/fd6d544c-5685-413e-b832-5abe1ed5bf68 "Mark G.") • 3 months ago Heat Pump Technical Manager Heat Pump Technical Manager More Options - [ # How has h2x helped you speed up accurate, MCS-compliant heat loss calculations and drawings? ](/discussions/how-has-h2x-helped-you-speed-up-accurate-mcs-compliant-heat-loss-calculations-and-drawings) I have found h2x intuitive to use, with excellent backup, clear results, and strong education and customer service. It also integrates well with MagicPlan and makes it easy to upload from PDF. The biggest benefit for me has been fast turnaround on accurate heat losses plus MCS-compliant... [Read more](/discussions/how-has-h2x-helped-you-speed-up-accurate-mcs-compliant-heat-loss-calculations-and-drawings) [ MEP Software ](https://www.g2.com/tags/mep-software) * * * (true)\<0\>0\>Upvotes (false) * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+h2x+questions+and+get+answers+from+expert+users+in+our+h2x+Discussions+section.&title=h2x+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=h2x+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=h2x+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss%0aAsk+h2x+questions+and+get+answers+from+expert+users+in+our+h2x+Discussions+section.) 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[Jack O.](https://www.g2.com/users/6cae6a5b-b56f-4eb9-b9d8-52141cdfda84 "Jack O.") • 3 months ago Building Services/Design Engineer Building Services/Design Engineer More Options - [ # Using h2x daily: what missing features have you run into? ](/discussions/using-h2x-daily-what-missing-features-have-you-run-into) h2x feels very easy to use and efficient enough for daily work, but I have run into missing features like plant equipment and the ability to generate certain calculations. I am hoping to see the range and quantity of features improve over time. What features do you feel are most important to add... [Read more](/discussions/using-h2x-daily-what-missing-features-have-you-run-into) [ MEP Software ](https://www.g2.com/tags/mep-software) * * * (true)\<0\>0\>Upvotes (false) * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+h2x+questions+and+get+answers+from+expert+users+in+our+h2x+Discussions+section.&title=h2x+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=h2x+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=h2x+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss%0aAsk+h2x+questions+and+get+answers+from+expert+users+in+our+h2x+Discussions+section.) 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Answer a few questions to help the h2x community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/login?context=product_review&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fh2x%2Fdiscuss%3Fsmall_ask%3Dh2x) No ## Top Contributors in h2x 1 ![Jack O.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jack O.") JO Loading... ### [Jack O.](https://www.g2.com/users/6cae6a5b-b56f-4eb9-b9d8-52141cdfda84 "Jack O.") Building Services/Design Engineer 1 pt 2 ![Mark G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Mark G.") MG Loading... ### [Mark G.](https://www.g2.com/users/fd6d544c-5685-413e-b832-5abe1ed5bf68 "Mark G.") Heat Pump Technical Manager 1 pt 3 AH Loading... ### [Alan H.](https://www.g2.com/users/443efc7c-355d-45df-8d17-eebf0b370959 "Alan H.") Head of Programs Plumbing and Gas-fitting 1 pt