Located in Ullapool, Ross and Cromarty, Scotland, United Kingdom

At Invisible Heating Systems, Ullapool, Scotland, Our ambition is to develop efficient commercially viable systems that appeal to as many people as possible. We care hugely about protecting our environment but believe that energy-efficient choices won't be made unless our customers see a commercial return on their investment. We were at the forefront of bringing underfloor heating to the UK, we're now blazing the trail with our complete micro renewable system packages.