Beautiful orrery(solar system model) avaiable in : www.orrerystore.com .This video shows how professionals install a complete solar heating system that provides solar hot water. The installation was filmed over a period of one and a half days, but the whole process has been speeded and edited to fit within a 3.5 minute time frame. We did this for you, so that you can see why our customers are 100% happy with the work that we do.