COSI is based in Canterbury, Kent. We have over 60 years experience in wood stoves, chimney building & lining, Aga style range cookers & boilers, and hybrid low carbon systems or, linked heating systems. We also supply our own hand made terracotta floor tiles & hand painted wall tiles.

Our surveyors have years of expertise to call on & we have our own team of installers. We are HETAS registered, and our work is done to the highest technical standards.

We cover Kent and can also fit in the SE London area, although we do make a small charge for quotations there.

For people in Kent, we offer a fireplace and heating design and building service. Our surveyors will visit you at home or on site and help to design a new fireplace for your wood stove, or an efficient, green and economical heating system. Outside the SE we can offer a design and supply service and help you or your plumber with fitting advice

Cast iron range cookers are a very popular choice in many homes offering not only a place for cooking but a heating system for the home too. An AGA style range cooker is a very attractive addition to both contemporary and traditional kitchens. AGA style range cookers provide multiple ovens which allows for the cooking of a number of different foods at different temperatures, this makes it a fantastic oven for cooking more than one meal or when cooking for a large amount of people.

An AGA cooker projects a lot of heat and for many people it is the main source of their heating, and they leave it on a constant low temperature throughout the day. This can help you save on your heating bills because your central heating will not be in constant use.

There are different fuel options for your AGA style cooker; electricity, gas, oil, wood and pellet, with each option incurring different costs which should be taken into account before choosing your AGA