A light bulb housing, method of making same and method of replacing a light bulb within the light bulb housing wherein the housing has an internal chamber which is almost completely closed except for a single access opening. A light bulb is mounted within the internal chamber. A biasing device, such as a coil spring, is mounted within the internal chamber and located between the light bulb and the access opening. A lens is then mounted within the internal chamber against the coil spring and while compressing of the biasing device a O-ring seal is installed within a groove formed in the sidewall of the access opening. Upon manual release of the lens, the coil spring forces the lens into watertight, airtight, dustproof engagement with the O-ring seal.