Scent warmers may include a base structure and a modular assembly structurally and electrically coupled with the base structure by an Edison screw fitting. The modular assembly may include a lighting module and a heating module. The lighting module and the heating module may be fastened to one another in a releasable manner. Methods of assembling scent warmers may involve fastening a lighting module to a heating module in a releasable manner to form a modular assembly. The modular assembly may be structurally and electrically coupled with a base structure by an Edison screw fitting