Case Study from: Hull University NHS Trust
Learn how Hull University Teaching Hospitals NHS Trust simplified heating system sizing and helped Salix funding bids with h2x.
Name: James Watts
Role: Engineering Project Manager
Company: Hull University Teaching Hospitals NHS Trust
Location: Hull, England
Results at a glance:
Significant time saved on heat loss and plant selections
Clearer documentation that supported Salix PSDS submissions
Fast team adoption with no training required
See how this was done:
The Background
Hull University Teaching Hospitals NHS Trust sought a faster, clearer way to size heating systems and associated plant, especially as estate decarbonisation projects increased in scope and urgency. The team needed reliable calculations they could trust internally and present externally in support of funding submissions.
According to James Watts, h2x quickly became "a valuable asset to our office." The software underpinned their Salix PSDS funding bid preparation by providing structured, defensible outputs. "The time h2x has saved us is invaluable," he adds, noting that speed did not come at the expense of accuracy.
The Challenge
Healthcare estates operate under tight timelines and rigorous scrutiny. Producing heat loss assessments and plant sizing across multiple buildings can be slow and error-prone when relying on fragmented tools. The Trust needed a workflow that reduced manual effort while improving consistency between design, review, and submission packs.
Adoption was another hurdle. Any solution would have to work for a broad team with minimal training time. Funding windows don't wait for long onboarding cycles, so the Trust looked for a platform that was intuitive from day one, and responsive to feedback when project nuances arose.
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The Solution
The Trust implemented h2x for heating system sizing, including heat pumps and associated plant. Engineers highlighted the heat loss module as "extremely useful" and "simple, easy-to-use," enabling quick room and building-level inputs with results that translated directly into plant selections.
Usability drove adoption. "All of the team picked h2x up very quickly with no training," says James. When adjustments were needed, the h2x team "made changes requested to the system... extremely quickly," pairing product updates with strong support so projects could keep moving without delay.
The Results
The Trust accelerated core tasks, heat loss, emitter/plant sizing, and documentation, freeing up time for engineering judgment and bid preparation. By unifying calculations and outputs, h2x reduced administrative effort while improving the quality and clarity of submission material for Salix PSDS.
Just as importantly, the platform proved easy to scale across the team. Rapid onboarding, quick configuration tweaks, and responsive support created confidence to expand usage. As James summarises: "We are looking forward to developing our skills with the software... Would highly recommend."
h2x: All-In-One Tool for Calculating, Designing, Estimating, and Paperwork
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