Today if you want to replace your old gaz-, oil-, etc.-Heating, you need to organize every single craftsmen (heating installer, electrician, etc.) seperately and by yourself. In addition you often receive intransparent and non-detailed offers. Heizungsmacher is a fast-growing platform which adresses exactly these two issues. It connects homeowners and professional service providers and digitizes sales, planning and services process for one of the biggest industry sector in Switzerland. The scalable service enables sustainable investments to improve the energy balance of the house and it brings craftsmen to the next level in customer service and relationships.