Two popular approaches for enhancing HVAC system efficiency and air quality are ultraviolet light bulb and traditional maintenance methods. Take a comparative analysis of these two strategies to help you make an informed decision for your home: Understanding UV Lights and Traditional HVAC Maintenance, Effectiveness: UV Lights Take the Lead, Cost Considerations, Environmental Impact, and Maintenance and Upkeep. Light Spectrum Enterprises, Inc. is a trusted provider of advanced UV lights for HVAC systems.