Heat Engineer Software Ltd provides advanced heating design software and compliance tools for UK heating engineers, renewable installers and energy-efficiency professionals. Our specialist platform simplifies heat loss calculations, radiator sizing, underfloor heating design, system specification and regulatory documentation, helping installers deliver accurate, compliant and energy-efficient heating systems.
Designed specifically for the UK market, our software supports engineers working on domestic and light commercial projects, ensuring compliance with building regulations, low temperature system design standards and best practice guidance. By digitising technical calculations and automating documentation, Heat Engineer Software reduces manual errors, saves valuable time and improves overall project efficiency.
Our solution supports professionals installing gas boilers, heat pumps, hybrid systems and renewable heating technologies, helping businesses adapt to the UKโs transition towards low carbon heating. With increasing demand for energy-efficient homes and net zero targets, accurate system design is no longer optional โ it is essential.
Heat Engineer Software empowers heating engineers to:
Produce fast and accurate room-by-room heat loss calculations
Design compliant low-temperature heating systems
Generate professional reports for clients and regulators
Improve installation accuracy and reduce costly callbacks
Support sustainable, energy-efficient property upgrades
By combining technical precision with ease of use, we help heating professionals grow their businesses while contributing to reduced carbon emissions and improved building performance across the UK.

































