Rinnai UK
Rinnai is a global leader in heating and hot water appliance manufacturing, striving for reliable and consistent quality. Rinnai specialise in the development of commercial and multi-point water heaters.
Rinnai's quest to develop even safer and more convenient products includes constant study of the fundamentals of obtaining heat from gas.
We strive to improve heating technologies whilst applying the most modern communication and associated management methods, as well as production techniques, across our operations.
We also continue to explore higher efficiencies through cleaner combustion, exemplified in our condensing-type hot water units and pre-mix burner technologies.
Through our innovative H3 initative we are "creating a healthier way of living" with Hydrogen enabled water heaters, Hybrid solutions and renewable technology including Heat pumps.

Tweets by @rinnai_uk
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The Rinnai Carbon Cost Comparison Form offers a free appraisal of a site’s current hot water delivery system, along with recommendations for reducing the carbon load. Click here to get started rinnai-uk.co.uk/contact-us/car…
3 hours ago -
We recognise that every application is unique and that choosing the right product can be a little daunting. Please fill in the form below and we will endeavour to get back to you as soon as possible. Try our Help Me Choose page today rinnai-uk.co.uk/contact-us/hel…
7 hours ago -
Major development announced last week with the launch of the world’s first 100% hydrogen combustion water heater for continuous flow hot water heaters. rinnai-uk.co.uk/about-us/hydro…
1 day ago -
Final week to enter our #FREE #Giveaway! Retweet the quoted tweet below and follow us @rinnai_uk to enter. Good Luck #rt twitter.com/rinnai_uk/stat…
1 day ago -
There's still time to enter our #FREE #Competition. To enter, please #Retweet the quoted tweet attached & follow us @rinnai_uk For more details about our supremely efficient-functioning continuous flow hot water system fuelled by 100% hydrogen, click ⬇ rinnai-uk.co.uk/about-us/hydro… twitter.com/rinnai_uk/stat…
4 days ago -
As the UK and European market leader in the supply of gas fired continuous flow water heaters for commercial, domestic and renewable integration, Rinnai is at the forefront of innovative and efficient systems and technology. Sign up today ➡ rinnai-uk.co.uk/training
5 days ago -
If you require any technical advise from one of our trained engineers, you can either call them on :0300 373 0660 OR alternatively, you can email them directly: engineer@rinnaiuk.com Why not try our Ask a question page here rinnai-uk.co.uk/contact-us/ask…
6 days ago -
In celebration of announcing the world’s first 100% hydrogen combustion technology for continuous flow hot water heaters, we are currently running a competition. Click the quoted tweet for more details. rinnai-uk.co.uk/about-us/hydro… twitter.com/rinnai_uk/stat…
6 days ago