The type of heaters we supply are exclusively Quartz Halogen infrared. Quartz Halogen infrared heaters work instantly, so little or no pre-heating of a space is required. The heat output is mainly short wavelengths of infrared. These are not affected by air movement, which makes them very suitable for use in spaces that are not fully enclosed, such as warehouses, and in very high buildings, like churches. Our heaters are over 93% efficient at converting energy into heat. This is an extremely high level of energy conversion – as high as the very best domestic gas condensing boilers, but with the additional benefit of instant response.