A roofing, cladding or siding product which is light weight, easy to install, durable, and resistant to environmental wear includes a module that can be used to form a weatherproof covering over top of a building surface. The module can also form a weatherproof covering, and be used as part of a thermal energy recovery or removal system. The module can also form part of a thermal energy recovery system that includes an array of solar cells to generate electrical energy.