Start with the fixture type and the room’s lighting needs. The bulb’s base must match the socket, and brightness is shown in lumens, not watts. For living rooms or work areas, aim for brighter output in the 800–1600 lumen range, while ambiance tasks can use 400–800 lumens. Consider color temperature to set mood—cooler light for task areas and warmer light for relaxing spaces. Ensure the bulb is compatible with dimmers if you use them.

Brightness, indicated by lumens, is the key metric for LEDs. It determines how much light the bulb emits. Also compare color temperature, expressed in kelvin, to establish warmth or coolness of the light. Energy efficiency, measured by lumens per watt, shows how long the bulb will run before needing replacement. Finally, verify base type compatibility with your fixtures to avoid installation problems.

For simple replacements, choose bulbs with the same base size, color temperature, and brightness as your existing bulbs to maintain consistency. For renovations or new setups, consider a mix of daylight- and warm-tinted bulbs to balance task lighting with ambience. If you want energy savings, target higher efficiency options with longer lifespans. Always check dimmer compatibility if you plan to install dimmable LEDs.

Keep bulbs in ventilated fixtures and avoid frequent on/off cycling, which can shorten life. Use bulbs within their rated ambient temperature and avoid installing incompatible dimmers. Clean fixtures to prevent dust buildup that can affect heat dissipation. When replacing, match the bulb type (direct replacement or retrofit) and verify warranty terms. Using the correct wattage and base size will prevent electrical issues and ensure safe operation.

Look for established brands known for quality LED lighting and consistent performance. Reputable series often offer good color accuracy, stable brightness over time, and dependable warranties. Reading independent reviews can help gauge long-term reliability. While price can vary, the value comes from energy savings and longer service life, so prioritize quality over the shortest-term cost.

Assess lumens per watt to gauge energy efficiency and estimate annual running costs. Higher lumens per watt means more light per energy unit, improving efficiency. Combine this with the desired color temperature and CRI for accurate color rendering. Finally, ensure the bulbs fit your fixtures and that your electrical system supports any required dimming or smart features.