Six Differences Between LED & HPS Grow Lights.

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Author : SunPlus
Update time : 2015-03-11 21:17:08
Six Differences Between LED & HPS Grow Lights




LED (Light Emitting Diode) and HPS (High Pressure Sodium) are two commonly used types of grow lights for indoor plant cultivation. While both can effectively promote plant growth, they have some differences in terms of their unfront cost, energy consumption, heat prodution, Lifespan, and maintenance costs.

1. Upfront Cost
LED grow lights tend to have a higher upfront cost than HPS grow lights. This is because they use more advanced technology and are typically more energy-efficient. However, LED grow lights also tend to have a longer lifespan, so they may be more cost-effective in the long run.

2. Energy Consumption
LED grow lights consume less energy than HPS grow lights, which can lead to significant cost savings over time. According to some estimates, LED grow lights can use up to 60% less energy than HPS grow lights. This can result in lower electricity bills and lower operating costs.

3. Heat Production
HPS grow lights produce more heat than LED grow lights, which can increase cooling costs in indoor grow spaces. If additional cooling measures are required, this can increase the overall cost of using HPS grow lights.

4. Lifespan
LED grow lights tend to have a longer lifespan than HPS grow lights, which means they require less frequent replacement. This can result in cost savings over time, as growers will need to purchase fewer replacement bulbs.

5. Spectrum

HPS lights emit a warm, yellow-orange light that is similar to the sun's spectrum. This spectrum is suitable for flowering plants and is often used in commercial grow operations. LED lights, on the other hand, can be tuned to provide specific wavelengths of light that promote plant growth in different stages of development, such as blue light for vegetative growth and red light for flowering.

6. Maintenance Costs
Both LED and HPS grow lights require some level of maintenan
ce, such as cleaning and bulb replacement. However, LED grow lights typically have a lower maintenance cost than HPS grow lights, as they are less prone to bulb failures and do not require ballasts.

Overall, while LED grow lights have a higher upfront cost, they may be more cost-effective over the long run due to their lower energy consumption, longer lifespan, and lower maintenance costs. However, the exact cost savings will depend on a variety of factors, including the size of the grow operation, the cost of electricity, and the specific needs of the plants being grown.

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