Air conditioning Btu for Homeowners

Air Conditioning Btu – Measure how much heat energy air conditioner unit produce.

An air conditioner manufacture needs away to compare the amount of heat is produce on specific period and need to know how much heat is remove on specific period (day, hour, minute).

What is air conditioning Btu?

Btu is a British thermal unit. It’s a unit of heat energy. Btu defines as the amount (quantity) of heat needed to raise the temperature of 1 pound of water to 1 degree F.

For example: when 5 lb of water is heated from 10°F to 20°F. 50 Btu of heat energy is added to the water. To look at in a different way, the water now contains 50 Btu of heat energy.

Here is the Btu’s formula:

Btu = Wt in lb. x change in temperature in °F

Btu = 5 lb X (10-20)

Btu = 5 x 10

Btu = 50 Btu

HVAC technician used the terms Btu to describe the quantity of heat or heat content. Btu explains the amount of heat energy contains in a substance. In the example above, the water contains 50 Btu.

Let’s said a furnace has 15000 Btu. It means that the furnace wills produce 15,000 Btu of heat within specific period.

When it comes to air conditioner, it entirely difference. 15,000 Btu air conditioners mean that the air conditioner unit will remove 15,000 Btu of heat energy from a resident.

Each components of heating or air conditioner unit is rated base on their ability to remove heat or add heat. If the hvac equipment is not rated, it would be hard to choose the best air conditioner unit or heating unit.

Ton of Refrigeration or Ton of Air Conditioner.

Air conditioning Btu is a unit use to measure quantity of heat energy and ton of refrigeration is a measurement unit use to size air conditioner unit or refrigeration units.

The terms ton of refrigeration goes back went they used ice as the source to remove heat. It requires 144 Btu of heat energy to melt one pound of ice at 32°F to one pound of water at 32°F.

Ton of refrigeration refers to the amount of heat needed to melt 1 ton of ice in a day (24 hours). 1 ton of refrigeration is equal to 2000 pound of refrigeration (1 ton = 2000 lb). Here how to converts ton of refrigeration to Btu:

2000 lb x 144 Btu/lb = 288,000 Btu

288, 000 Btu is how much heat removes within 24 hours. In one hours, the air conditioner unit removes 12, 000 Btu of heat (288, 000 Btu/ 24 = 12, 000 Btu) or in minute, it would be 200 Btu /min.

Here is different prospective. 1 Ton of air conditioner unit will remove 12, 000 Btu of heat per hours.

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