Question 1

How many types of ACs are available in India?

Accepted Answer

Air Conditioners are available in two types i.e Split AC and Window ACs. A split AC has two parts, one is an indoor unit and other is an outdoor unit. The outdoor unit is installed outside the house while the indoor unit remains inside the house. Window ACs on the other hand do not require installation as they can be installed in windows or direct openings like a glass door or window.

Question 2

What is the cooling capacity of an air conditioner?

Accepted Answer

Cooling capacity of an air conditioner is measured in terms of tons of refrigeration and is calculated by dividing the cooling capacity of a machine in Btu per hour by its total operating hours per day.

Question 3

How do I choose a 2 ton air conditioner?

Accepted Answer

Before choosing a 2 ton air conditioner, you should measure the size of the room that needs to be cooled. If the cooling capacity of your air conditioner is lower than the requirement of your room, the cooling effect will be limited and the air conditioner will start running more often. You should also check the noise levels of the air conditioner. A low noise air conditioner will help you sleep better.

Question 4

What are the different technologies used in air conditioners?

Accepted Answer

Air conditioners use one or more technologies for cooling air. These technologies are: (i) Split ACs- These air conditioners use a refrigerant to chill down the air cooled by an evaporator coil and blown out into the room by a blower. The refrigerant then goes into an expansion device and is vaporized, its latent heat is released and it converts back to a liquid state. The hot refrigerant is then cooled further by the condenser coil and the cycle continues. (ii) Window ACs- Window ACs use a compressor to reduce the pressure inside the unit and cool the air by blowing it over a cooled coil. These air conditioners sometimes use a gas like R22 or R410A and sometimes a refrigerant. (iii) VRF or VRV- These air conditioners use a variable refrigerant flow technique. In this, a compressor, instead of being used at full capacity throughout the year, is throttled down or turned off altogether for certain periods when it is not required to run. This helps reduce electricity consumption during those non-peak periods.

Question 5

How much electricity does a 2 ton AC consume?

Accepted Answer

The power consumption of an AC is measured in terms of watts per hour. A 2 ton AC uses about 900 watts of power in an hour.

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