Abstract: A modular burner/blower system and method directed to an independently operable direct fired burner unit and an independently operable blower unit that are also configured to be interconnected to one another and to operate together. The direct fired burner unit includes a burner casing and a direct fired burner mounted within the burner casing. The blower unit includes a blower casing configured to interconnect with the burner casing and a blower mounted within the blower casing. The burner unit may be interconnected to the blower unit in a vertical or horizontal configuration and includes heating components and controls.