If buying Type A LEDs, check the manufacturer's "Compatibility List." Dimmability: Not all T8 bulbs work with dimmer switches.

The biggest decision you will face is sticking with traditional fluorescent tubes or upgrading to LED. Lifespan: Lasts up to 50,000 hours. Efficiency: Uses 40–60% less energy. Instant On: No flickering or buzzing in the cold. Types: Type A: "Plug and Play" (works with your existing ballast).

Soft and cozy. Best for living areas or retail.