A disinfection system is provided herein. The disinfection system includes an UV light source to generate UV light and a housing supporting the UV light source. The housing includes a fan and a shield having a body partially surrounding the UV light source. The body has an inner surface sized and shaped to reflect the UV light from the UV light source. The body defines at least one hole configured to receive air flow from the fan and direct the air flow to contact the UV light source to control a temperature of the UV light source.