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In the event of an emergency please dial the following numbers:

Republic of Ireland

24 Hours:
01 2916229

Northern Ireland

During business hours:
028 90458466
Outside business hours:
0845 0755588

instant water heaters

Instant Water Heaters

Calor Gas is the ideal complementary fuel for many different applications.  If your business has a requirement for infinite hot water on demand, you may be interested to learn about instant water heaters.

Instant water heaters and Calor Gas can provide all of the hot water needed for a wide range of applications, which electrically powered installations would not be capable of supplying.  These include industrial and agricultural processes, dairy farms, hotels, restaurants, leisure centres and sports clubs.


  • Eliminate hot water storage costs as water is heated only when required
  • You never have to worry about running out of hot water
  • Reliable and ample hot water supply on demand
  • Varying hot water demands can be met
  • Lower carbon hot water solution

If you would like more information, call us on 1850 812 450 (ROI) or 028 9045 5588 (NI), or alternatively you can fill out a short enquiry form and we will get in contact with you.


Rinnai Water Heaters

Ensure you, your business or your clubhouse never runs out of water again by installing a Calor Gas-powered Rinnai instantaneous water heater. With this system you can look forward to infinite hot water as and when you want it, without any need for pre-heating. The system’s compact design makes it simple to install and house, and allows for temperature control to 1 °C accuracy. And because it’s run on the affordable, cleaner energy supply of Calor Gas, you’ll also be saving on your club’s energy bills and carbon footprint. Download any of the below brochures for more information:



To find out more about how you can save up to 35% on your hot water bills, and arrange your FREE site survey, get in touch with our Customer Support Team today on ROI: 1850 812 450 NI: 028 9045 5588 or email us at