How much heat does a lamp produce. Watts to BTU Calculator

by Horticulture Lighting Group 547 Comments

With a high efficiency light source with 50% efficiency, half the power is radiated as heat and the other half as light. Almost all light is converted to heat after it hits the walls and plants. Only a small fraction of light is used by plants for photosynthesis.

The BTU requirement for a grow space can be calculated using the formula below. Only for non forced air duct cooled lamps.

P(BTU/hr) = 3.412141633 × P(W)

Calculator

Enter Watts Value :

BTU:




Horticulture Lighting Group
Horticulture Lighting Group

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Samuel Newport
Samuel Newport

October 09, 2019

Hello,

We are starting a new licensed cannabis business in Oklahoma and are looking to purchase 10-20 550 V2 R Spec’s.
I was hoping there may be pricing for commercial operations. Also I was hoping I could get some estimates on monthly kilowatt usage. trying to figure out how many 20 of them would cost. Also should we also use the average type of light controllers for your products?

Thank you,
Samuel Newport

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