What are A21 LED bulbs?

A21 bulbs are slightly larger than A19 and typically deliver higher lumen output for brighter applications.

Where are A21 LEDs best used?

Floor lamps, large pendants, garage/work lights, and any fixture where extra brightness is desired.

Many are dimmable with compatible LED dimmers; check the product’s dimming range and supported dimmers.

Yes, most use the E26 medium base, but confirm physical clearance in shades or globes due to the larger bulb size.

Common outputs run 1100–1600+ lumens, ideal for replacing 75W–150W incandescent bulbs.

Most lines offer 2700K, 3000K, 4000K, and 5000K. Select based on the room’s mood and task needs.

Yes—significant energy savings over incandescent or halogen with far longer lifespans and lower heat.

Only if the bulb is specifically rated for enclosed spaces to manage heat.

Yes—several brands make A21 smart bulbs with tunable white, color options, and scheduling.

We curate high‑output A21 LEDs from top brands and help match brightness, color, and dimming to your fixture.