We are a global leader in gas appliance manufacturing, striving for reliable and consistent quality. We specialise in the development of Commercial and Multi-point water heaters.
We have built a global network spanning 17 countries, with Rinnai-brand products sold in 79 countries. Seeking to establish a service presence firmly rooted in each local market, we adhere to the principle of locally produced, locally consumed, with production and sales undertaken by local members of the Rinnai Group. This principle underscores the solid reputation that the Rinnai brand enjoys.
Latest News
Rinnai – New CPD On ‘Water Neutrality’
Rinnai has produced a new CPD titled ‘Water Neutrality’ and it details a subject that will become increasingly important as UK water supplies become less accessible due to overpopulation and climate change. Rinnai aims to increase awareness of this issue as well as supply verified information and industry insight into the question: should water neutrality be added to national legislation?
Understand SPF for Smarter Heat Pump System Design with Rinnai CPD
Rinnai’s CPD, ‘Seasonal Performance Factors and Heat Pump Design’, details the evaluation of SPF when measuring a heat pump system's overall energy efficiency throughout an entire heating season, whilst further considering variations in temperature and other system factors.
Rinnai Applied Launches R290 Commercial & Industrial Range of Heat Pumps – Up To 410KW
Rinnai Applied has made its first major launch with the introduction of its R290 range of commercial and industrial heat pumps. Rinnai Applied’s new high efficiency and eco-friendly heat pumps arrives in a wide variety of sizes from 40kW to 410kW and uses the propane-based refrigerant R290.
Rinnai UK Launches CIBSE-Accredited CPDs Free Access for Industry Professionals – and Learn & Earn Bursaries
Rinnai’s recent additions to the company’s extensive list of industry relevant CPDs include SPF – Seasonal Performance Factors and Heat Pump Design; Introduction to Water Neutrality and Retrofitting Heat Pumps into the Leisure Sector through CCA & SPF Analysis.
Can the Grid Keep Up? As Global Temperatures Rise, So Does the Need for Cooling.
Can our electricity grids handle the heat – and can governments accommodate growing demand without infringing upon net-zero ambitions? Rinnai Managing Director Tony Gittings looks at the accelerated increases in demand for cooling technology due to global warming.
Rinnai CPD Learn and Earn Bursaries Exclusively At Elemental Show 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. Eligibility includes all those working in the building services sector and obliged to undertake regular CPDs.
Rinnai UK Launches Applied Products Division At Elemental Show
Rinnai UK is introducing Rinnai Applied at the Elemental Show, ExCel London November 19 & 20th 2025. Rinnai Applied is dedicated to the design, supply and integration of larger HVAC units and systems that meet the specific heating, cooling, and hot water demands of the bigger commercial and industrial premises.
Rinnai and Kimpton Deliver Zero-Downtime Hot Water Solution for Spire Murrayfield Hospital
Kimpton, the Liverpool and Northwest-based HVAC specialist contractor, has supplied and installed the Spire Murrayfield hospital in Barnston, Wirral with an emergency replacement Rinnai hot water heating system after the site’s gas fired storage water heaters failed to operate..
Rinnai R290 Heat Pump & Cylinder System Powers Major Name Hotel In Birmingham
Leading Northwest contractors, Winrow Building Services, has recently completed an installation of a new high-performance system for heating and hot water production at a 100-plus bedroom Birmingham City Centre hotel.
Rinnai is launching a new division - Rinnai Applied - which will be dedicated to the design, supply and service of larger HVAC units and systems that will meet the specific heating, ventilation, air conditioning and hot water demands of commercial and industrial premises.
The Evolution of the UK Hot Water & Heating Market
Rinnai’s Chris Goggin examines the current UK heating and hot water markets with a detailed statistical analysis of each notable sector to reveal the preferred methods of supplying both residential and commercial properties with warmth and DHW. This review will also look at the impact of legislation upon customer options.
Guide to CO2 Heat Pumps for Sustainable Heating Solutions
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Rinnai Hot Water – For All Sites Urgently Needing Instant, Continuous, Limitless Precise Temp Controlled, Thermal Disinfectant, Economic & Light Carbon Footprint
Our quest to develop even safer and more convenient products includes constant study of the fundamentals of obtaining heat from gas.
Striving For Reliable & Consistent Quality
Rinnai develop and provide appropriate products while paying close attention to modern demands and problems. This requires advanced developmental and technological capabilities and a quality assurance system that reflects these features in each and every product. Rinnai strives to deliver quality to meet future requirements, and is committed to making even increasingly sophisticated appliances.
Convenient, safe and ecologically sound.
Contact Us
Main office
Rinnai UK Limited
9 Christleton Court
Manor Park
Runcorn
WA7 1ST
Tel: 0300 373 0660
London office
Rinnai London
26 Store Street
London
WC1E 7BT
Tel: 0300 373 0660
Rinnai has a global presence. See more offices here.
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