Nu-Heat is now supplying a single in-roof panel for smaller solar thermal installations, offering a solution for smaller installations for apartments and terraced houses.<br> <br> The panel is the same width as the smaller panel, but is slightly longer, meaning that it will still fit comfortably on a standard roof. For a smaller dwelling such as a flat, where the household uses about 100 litres of hot water daily at 50°C, the panel is likely to produce about half of the annual demand.<br> <br> In-roof, on-roof and free-standing solutions are available for both tiled and slate roofs. Nu-Heat can specify the correct configuration of solar collectors to suit the project requirements for just domestic hot water or domestic hot water and heating combined.