9000 BTU, 12000 BTU are quite common indicators when you want to buy an air conditioner . However, what does BTU on the air-conditioner mean is the concern of many consumers. Let WebTech360 learn about this index through the article below!
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The BTU index is understood as the amount of energy it takes to 1 pound (454 grams) of water to increase by 1 degree F
BTU (short for English British thermal unit) is an energy unit used in the United States. BTU or BTU / h is simply understood as the amount of energy required for 1 pound (454 grams) of water to rise 1 degree F (Fahrenheit) and 143 BTU can melt 1 pound of ice.
This unit is used to describe the heat (energy) value of a fuel or the capacity of heaters, ovens, ovens and air conditioners.
We have convention: 1BTU ≈ 1055 J = 0.293 Wh
For example:
The smallest air conditioner used in Vietnam has a capacity of 9000BTU / h, equivalent to 1 horse (sic) with the energy generated in 1 hour is 9000 * 0.293 = 2637 W.
From the above formula we can see that the rated cooling capacity of an air conditioner with a capacity of 9000 BTU is 2637 W.
Note, BTU is an index that reflects the cooling capacity of the air conditioner, not the power consumption that many users mistakenly think.
BTU is an index reflecting the cooling capacity of an air conditioner
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To take full advantage of the features of the air conditioner, the best cooling as well as the optimal energy saving, you need to choose the capacity of the air conditioner that is suitable for the area and volume of each room.
Each room has a different area, so the capacity of the air conditioner is also different
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- By area
Air conditioning capacity depends on the main factor of the area and volume of the space to be cooled. Specifically, capacity of air conditioner = 1 m2 x 600 BTU.
For example, the capacity of air conditioners for a room with an area of 15m2 is calculated: 15 m2 x 600 BTU = 9,000 BTU = 1 HP (1 HP is also known as 1 horse).
Table selects the capacity of air-conditioner according to room area
Table selects the capacity of the air-conditioner suitable for the room area
Room area at home, household Dormitory
Less than 15 m29,000 BTU12,000 BTU
From 15m2 to 20m212,000 BTU18,000 BTU
From 20m2 to 30m218,000 BTU24,000 BTU
From 30m2 to 40m224,000 BTU28,000 BTU
From 40m2 to 45m228,000 BTU30,000 BTU
From 45m2 to 50m2 30,000 BTU36,000 BTU
From 50m2 to 55m236,000 BTU42,000 BTU
From 55m2 to 60m242,000 BTU48,000 BTU
From 60m2 to 70m248.000 BTU60.000 BTU
- By volume
Because the cooling capacity of the trench machine is also influenced by many other factors such as construction material, external heat source, the number of windows in the room, the number of people in the room, so choose the correct capacity of the air conditioner. You can draw on the volume (length x width x height).
According to the manufacturer's specifications, 1m3 room volume needs at least 200 BTU / h.
You can choose the family living room air conditioner for your office
Selection table of air-conditioning capacity by room volume
CapacityFamilyCafé / RestaurantHotels Office
1 HP45 m330 m335 m345 m3
1.5 HP60 m345 m355 m360 m3
2 HP80 m360 m370 m380 m3
2.5 HP 120 m380 m3100 m3120 m3
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Above are some information about the BTU index on the air conditioner and how to choose the capacity of the air-conditioner that is suitable for the area and volume of the room that you can refer to. Hopefully through this information you can easily choose for your family the most suitable and favorite air-conditioner!
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