The answer to 'when to replace light fixture' is that light fixtures typically need to be replaced every 8-12 years, or when they start showing signs of wear and tear. Over time, the components inside a light fixture can wear out or become less efficient, leading to flickering, dimming, or complete failure. Additionally, the style and finish of a light fixture may become outdated, and homeowners may want to update the look of their space.
When deciding to replace a light fixture, it's important to consider the overall condition of the fixture, the energy efficiency of the bulbs, and whether the style still fits the desired aesthetic of the room. Homeowners should also be aware of any safety concerns, such as exposed wiring or a fixture that is not properly secured to the ceiling or wall.