Thermo Dynamics Ltd.is a Canadian company based in Halifax, Nova Scotia, Canada. TDL is engaged in the research, development, production, distribution and installation of solar heating systems. TDL's core products include liquid flat-plate, glazed solar collectors, Sunstrip™ aluminum/copper solar fin and absorber plates; the Solar Boiler™ solar water heater, solar powered pumps, DC solar controllers, and natural convection heat exchangers. TDL is a fully integrated solar thermal company with the ability to convert raw materials into state of the art solar products.In December 2012, Halifax Regional Municipality announced the Halifax Solar City Program with Thermo Dynamics Ltd. as the official solar system manufacturer and installer.