You may see light bulbs labeled as A60 or A19, for example, which refers to it being an A type bulb shape followed by its diameter measured in eighths of an inch.

While these light bulbs are great when it comes to energy efficiency, these types of bulbs don’t last very long. Halogen bulbs tend to have a shorter lifespan than other light bulbs—about nine ...

Often toting a spiral shape, compact fluorescent bulbs are known to emit a cooler light than that of the traditional incandescent bulb and have excellent energy efficiency. "The best CFLs last 10 ...

Type of fluorescent bulb: CFL bulbs ONLY Drop-off program: The Home Depot and Lowe’s Home Improvement — Krystal Noiseux is the education and outreach manager at RIRRC.

While these light bulbs are great when it comes to energy efficiency, these types of bulbs don’t last very long. Halogen bulbs tend to have a shorter lifespan than other light bulbs—about nine ...