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How to Choose an Air Conditioner for LED Displays

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For hot areas it would be wisely to use a cooling system like an air conditioner to cool your LED display to minimize failures and expand the life time of your LED display. An air conditioner is nowadays a not very expensive cooling system but can be made expensive due to the power consumption of it. For that it is wisely to buy an energy efficient air conditioner for your LED display without having troubles in the near future.

To buy an energy-efficient air conditioner for LED display, you must first determine what capacity, or size, you need. This is important for two reasons:

  • An undersized unit won’t cool adequately a LED display in extremely hot weather.
  • An oversized air conditioner can also adversely affect your comfort. The unit may switch on and off too often, without running long enough to dehumidify the LED display properly or cool the space uniformly. And it will consume more energy than necessary.

Step 1: Calculate basic cooling capacity you will need for your LED display to meet the typical cooling load

Use this table to find the basic cooling capacity in Btu/h you’ll need based on total LED display area to be cooled.

LED Display Basic Cooling Capacity by Total Area of the LED Display

Total Area of LED ScreenBasic Cooling Capacity
SQMSQ. FT.BTU/H*
9-14100-1505000
14-23150-2506000
23-28250-3006500
28-33300-3507250
33-38350-4008000
38-41400-4508750
41-46450-5009650
46-51500-55010500
51-65550-70012500
65-93700-100015000
93-1111000-120017700
111-1491200-160019000-24000
149-1671600-180024000-27000
167-2601800-280027000-33000

For a 22.6m² (240 sq. ft.) LED display, the basic cooling capacity will be 6000 Btu/h. If the cooling capacity of the air conditioner is more than 12,000 Btu/h, consider installing two smaller units. Otherwise, a single unit might require a larger amperage circuit (20–30 amperes) or a dedicated 240-volt circuit; consult an electrician for more information.

Step 2: Additional factors that can influence the loading capacity of the air conditioner for LED Displays

Answer the questions below. If a question doesn’t apply to your situation, leave the space blank. Then add or subtract from the basic cooling capacity to arrive at the approximate size of room air conditioner you should buy.

LED Display Capacity Deviations determined by External Variables of the LED Display

Aditional Sizing ConsiderationsAdd or Substract from the Basic Cooling Capacity
(Let's take as an example a 6,000 Btu/h for a 22.6m² LED Display)
If the LED display faces due north or northeast or is heavily shaded, subtract 10% of the basic cooling capacity.-10%
If the LED display is extremely sunny and face west and southwest), add 10% of the basic cooling capacity.+10% (+600 Btu/h)
If the LED display is poorly insulated, add 15 percent of the basic cooling capacity.+15% (+900 Btu/h
What air conditioner will we buy for our LED display if point 2 and 3 apply?7,500 Btu/h