![]() The most energy-efficient light bulb of them all, LEDs function a bit differently than their filament-burning compatriots. The downside is that they get incredibly hot, so they’re best used in limited-use settings, like floodlights outside your garage or in your backyard.įlood Light Bulb (Two-Pack), Home Depot, $9.97 BUY NOW 5. But the difference is the gas-incandescents commonly use argon, while halogens use halogen (duh!). They function very similarly to incandescent light bulbs in that they feature a glass bulb filled with gas and a tungsten filament that glows when electricity is introduced. HalogenĬoming in somewhere between incandescent bulbs and fluorescent ones on the energy-efficiency spectrum, halogen bulbs produce an artificial light that’s most similar to natural light, which is certainly better for your health. The cons: They emit a harsh light, they’re more expensive than incandescent bulbs (though they do last longer), and they do contain mercury, which means they’re toxic if they break.ĮcoSmart 14 Watt (Four-Pack), Walmart, $19.99 BUY NOW 4. The pro to CFLs: They use far less energy than incandescent light bulbs. Like their brethren, CFL light bulbs emit light when their mercury gas is ionized, but they have a small twisted shape that’s easier to use in a household setting rather than a long tubular one. They produce light when the mercury vapor inside their glass tubes is ionized through an electrical charge, and they’re known for their long lifespans-several years on average.ĬW 13-Watt T5 Fluorescent Cool White 4100K, Amazon, $14.8 9, BUY NOW 3. While you’re more likely to see them in offices and stores than in private homes, you might also use them personally in your garage, basement, or workshop. Standard Fluorescentįluorescent light bulbs are often recognized by their long, tubular forms. Globe Electric 60-Watt Incandescent S60, Home Depot, $4.97 BUY NOW 2. Ever-trendy Edison bulbs fall into this category.) Now incandescent bulbs come in far lower wattage models, varying in shape, size, and styles. In fact, Congress passed an act in 2007 to promote more energy-efficient lighting, which has killed the production of standard 40-to-100-watt incandescent bulbs. While incandescent light is known to be very flattering on skin (use it in your bathroom vanities!), these bulbs are not very energy efficient at all. Light is produced when an electrical current runs through the filament and causes it to glow. The original electric light bulb as developed by Thomas Edison and his contemporaries in the mid-to-late 19th century, incandescent bulbs are made of glass with a gas like argon plus a tungsten filament inside. ![]() But don’t worry if you need help navigating the options-we’re here to help break down the different types of light bulbs you probably use throughout your house, from the various gases inside the glass to the shapes of the bulbs themselves. Chances are, you use light bulbs every single day, but have you ever thought about the science behind them? What started as a simple glass orb with a filament inside (thanks, Thomas Edison!) has now evolved into a surprisingly diverse and somewhat complex series of products. ![]()
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