What are some popular brands of led light bulbs?

Some popular brands known for high-quality led light bulbs include <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/EcoSmart/LED/75-Watt/N-5yc1vZbmbuZ4b8Z1z0vxijZ1z1u6ob?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">EcoSmart</a>, <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/BLUEX-BULBS/LED/75-Watt/N-5yc1vZbmbuZxgcZ1z0vxijZ1z1u6ob?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">BLUEX BULBS</a>, and <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/Simply-Conserve/LED/75-Watt/N-5yc1vZbmbuZb43Z1z0vxijZ1z1u6ob?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">Simply Conserve</a>.

What are some of the top-rated led light bulbs?

One of our top-rated led light bulbs is the <a href="https://www.homedepot.com/p/Feit-Electric-75-Watt-Equivalent-A19-Dimmable-CEC-Title-20-90-CRI-E26-Medium-Base-LED-Light-Bulb-Daylight-5000K-8-Pack-OM75DM-950CA-2-4/314775390?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">75-Watt Equivalent A19 Dimmable CEC Title 20 90+ CRI E26 Medium Base LED Light Bulb, Daylight 5000K (8-Pack)</a>.

For bulbs labeled A19, A15, and A21, what does the "A" mean, and how do those numbers relate to the bulb?

The "A" refers to the traditional, pear-shaped bulb, a common style for homes. The number indicates the bulb's diameter at its widest point, in eighths of an inch, so an <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/A19/N-5yc1vZbmbuZ1z0vvrd?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">A19 bulb</a> is 19/8 inches wide, an <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/A21/N-5yc1vZbmbuZ1z0vvpm?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">A21</a> is slightly larger at 21/8 inches, and an <a href="https://www.homedepot.com/b/Lighting-Light-Bulbs/A15/N-5yc1vZbmbuZ1z0vvqn?emt=plpfaq_2504_lightbulbs" style="text-decoration: underline;">A15</a> is smaller at 15/8. Knowing this helps when choosing the right size for your fixtures and the light needed.