Thermo Dynamics Ltd., (TDL), is a Canadian company based in Halifax, Nova Scotia, Canada. TDL can assist you with all of your solar energy requirements. TDL has been manufacturing, designing and installing solar thermal systems for over 35 years. Our team of professional engineers and technicians can design and install a system for all your heating and electrical requirements. Whether its off grid or grid tied, solar heat or electricity, let our team of professionals find the solution that is best for you. TDL is one of the largest solar manufacturer in North America. Canadian solar technology and the products that TDL manufactures are state-of-the-art world wide. The TDL solar fin is recognized as one of the best solar fins in the world. TDL solar collectors and residential solar systems (derived from the Sunstrip™ solar fin) are competitive with comparable products.