A red semi-truck parked inside a garage with a mechanic inspecting a large white truck trailer mounted on a lift in the background.
Red industrial furnace or heating chamber with vents and control panel.
Red industrial burner with control panel, piping, and fan, used for energy recovery in energy systems.
A black and gray energy-efficient heating or cooling unit with the EnergyLogic logo, mounted on a black frame, against a plain background.