Roto 'Sunroof' solar thermal heating is a modular system that can be adapted to any demand for energy. Between two SRK 10/20 modules to meet the demand for hot water in an ordinary family home and a considerable collector array to support the heating system and heat your swimming pool, anything is possible. Two different packages leave you the choice between an economical solution for starters and an alternative for professionals. Created to meet the highest standards in performance, design and durability. Due to the various possibilities Roto 'Sunroof' solar thermal heating is the perfect solution for renovations.