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    Home / Education / Do LED grow lights put off heat?
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    Do LED grow lights put off heat?

    Yes, every light produces heat. It does not matter if the light comes from a bulb, diode, or a star like our sun; they all produce heat. LEDs provide a more efficient means for converting energy to light than other methods and therefore produce less heat, but they can not break the laws of physics. Physics dictates that anything that consumes electrical power will emit heat; claims that LED lights don't produce heat are entirely false-- just ask any physics teacher.

    While LEDs generate heat, there are important differences between traditional lighting technology and LED lights:

    • HID lights (metal halide, high pressure sodium and ceramic metal halide / light emitting ceramic) require heat to produce light by arcing electricity through selected gasses, making them extremely hot, to the point the gasses glow. This means HID bulbs themselves are extremely hot-- hot enough to start a fire, and many gardens have gone up in flames because of this danger. LEDs' electroluminescence technology is entirely different and does not require heat to produce light; LEDs themselves will not get hot enough to start a fire.
    • Much of the energy used by HID lights is emitted as infrared light (above 800 nanometers). This "light" is not usable by plants and only works to warm up the leaves -- and everything else under the light. This is why HID light feels warm on your skin, while LED light does not. Our LED grow lights don't waste energy creating unusable and detrimental infrared light; all the energy goes toward growing your plants.
    • Because LEDs aren't wasting energy producing light plants can't use, we can use less energy overall to get the same (or better!) growth from plants. Less energy consumed means less heat; for a given growing area, LED lights will put off less heat than any equivalent artificial light.
    • Our Phyto-Genesis Spectrum® contains less of the green and yellow light that warms up plants' leaves because they cannot use these colors efficiently. This means you can run your growing area significantly warmer with our LED grow lights, reducing cooling requirements. We see an average 60% savings on HVAC costs when combining less heat into your growing area to start with the warmer growing temperatures!

    You can use our handy LED grow light cooling calculator to determine how much cooling you may need when using our lights. Many customers require no additional cooling at all

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    Blackdog LED

    6309 Monarch Park Pl., Suite 103
    Niwot, CO 80503

    720-420-1209
    800-380-2291
    Fax: 720-506-4279

    Office Hours:
    M-F: 9 am - 5 pm
    M-F: After 5 By Appointment
    Sat - Sun: By Appointment

    Products
    • PhytoMAX-2 LED Grow Lights
    • Grow Room Optics
    • Grow Kits
    • Accessories
    Our Technology
    • Unique Science Based Spectrum
    • Superior Yields
    • Case Studies / Testimonials
    • Leaf Surface Temperature
    Education
    • Home Growing
    • Commercial Growing
    • Spectrum / Color
    • Light Measurements / Comparing Lights
    • Product Design
    • Deployment / Installation
    • All Categories
    Quick Resources
    • Growing 101
    • Galleries
    • Growing Calculators
    Blackdog LED

    6309 Monarch Park Pl., Suite 103
    Niwot, CO 80503

    720-420-1209
    800-380-2291
    Fax: 720-506-4279

    Office Hours:
    M-F: 9 am - 5 pm
    M-F: After 5 By Appointment
    Sat - Sun: By Appointment

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