The answer to 'lifespan of recessed lighting' is that recessed lighting fixtures typically have a lifespan of 25,000 to 50,000 hours, or around 15-25 years with average use. The actual lifespan depends on factors like the quality of the fixture, the type of bulb used, and how often the lights are turned on and off. High-quality recessed lights with LED bulbs tend to have the longest lifespans, while cheaper fixtures or halogen bulbs may need to be replaced more frequently.
Proper installation and maintenance can also extend the lifespan of recessed lighting. Ensuring the fixtures are properly sealed and ventilated can prevent premature burnout, and regularly cleaning the bulbs and reflectors can help them operate more efficiently. If you notice your recessed lights flickering, dimming, or burning out quickly, it may be a sign that they need to be replaced or that there is an electrical issue that should be addressed by a professional electrician.