Rinnai UK
Rinnai is a global leader in heating and hot water appliance manufacturing, striving for reliable and consistent quality. Rinnai specialises in the development of commercial and multi-point water heating systems.
The range of Rinnai solutions contains Hydrogen ready water heaters, Hydrogen ready boilers, LPG water heaters with the ability to combust blended bio-LPG and RDME, Hybrid heat pump system, Solar thermal and LOW-GWP heat pump technology.
Rinnai's quest to develop even safer and more convenient products includes the constant study of the fundamentals of obtaining heat from gas and robust water control technologies including Low-GWP heat pumps.
We also continue exploring higher efficiencies and green gases through cleaner combustion, exemplified in our condensing water heaters and the world's first Hydrogen ready boiler and water heaters.
Through our innovative H3 initiative, we are "creating a healthier way of living" with Hydrogen ready boilers and water heaters, Hybrid hot water solutions, hybrid heat pump system and solar thermal systems, and standalone renewable technology including low-GWP Heat pumps.
Latest news
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15th October 2025
Rinnai UK’s new division - Rinnai Applied – is offering discretionary bursaries of up to £200 at this year’s Elemental Show in London for those signing up to and completing three key CPDs on issues and subjects which are currently of the highest priority to the building services industry.
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