The answer to 'lifespan of lighting installation' is that the average lifespan of a typical lighting installation in a home is 8-12 years, depending on the type of lights used and how often they are used. LED lights tend to last the longest, often 15-25 years, while traditional incandescent bulbs may only last 1-2 years. Proper installation, maintenance, and usage habits can also impact the lifespan of your home's lighting.
It's important to regularly inspect your lighting fixtures and replace any bulbs that are burned out or flickering. Proper ventilation and avoiding excessive heat buildup can also extend the life of your lighting. If you notice any electrical issues or safety concerns, it's best to have a licensed electrician evaluate your lighting installation.