If  you do consider buying an AC, the variety of air conditioners available in the  market is overwhelming. Models from various brands range in size,  sophistication, features and price. 
                                 
Cooling Capacity: Most air  conditioners are rated per hour or by tonnage. It depends upon various factors  such as average ambience temperature, the size of the room, the number of  people present, exposure of the walls to sunlight etc
Compressor Types: The compressor is  the air conditioners most important component. It helps in the cooling process  and can be of three types: reciprocating, rotary and scroll. 
Energy efficiency ratio (EER): It's  the ratio of its cooling capacity to the electricity it consumes under standard  operating conditions. The higher the EER ratio, the better chance you have  against getting an eluvia electricity bill! 
 
These are just a few and this AC buying guide will cover all the related  terminology to bring all the information at your finger tips and help you in  making an informed buying decision. 
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