By upgrading your old warm air heater to a new WarmCair condensing heater or Aquair heat interface unit not only will you be saving money on your fuel bills but also lowering your carbon foot print so helping the environment. 

As Johnson & Starley we understand that deciding to upgrade your warm air heating is a big decision so we are here to help you.  It may be a straight foward replacement or moving to a hybrid system such as an Aquair heat interface unit and additional heat source which could be a gas or electric boiler, biomass or another low carbon alternative. 

Complete your details in the form below to enable us to find installers in your area who can help you decide quickly and easily which is the best upgrade option for you.


Upgrading your existing warm air system

There are many benefits to warm air central heating. So there are many reasons to upgrade to a new Johnson & Starley system now.

  • Hydrogen blend compatible
  • Reduced bills
  • Fast warm-up times 
  • *5 Year guarantees                
  • Up to 98% efficient
  • No unsightly radiators                  
  • Lower carbon emissions
  • No pipes to freeze or leak               
  • Optional electronic air-cleaning filtration
  • Made in the UK

Swapping to a boiler & heat interface upgrade

Would you like instant hot water, whenever you need it? No need for storage tanks. Looking to move away from gas/oil?. Then this option could be perfect for you. Installing one of our Aquair Heat interface units with a suitable heat source can save you both money and fuel and reducing the impact of emissions on the environment.

Upgrading enquiry

In order to assist with your enquiry, your details may be passed to a local installer. They will not be used for any form of marketing or passed to any other third party. *Johnson & Starley Ltd does not recommend or approve any registered gas installers. We do not monitor the work carried out by these installers and are therefore unable to guarantee the quality of their workmanship.

Celebrating 100 years of warming your home