Air conditioners come in four main types, Window units,Through the wall units,Portable units and Whole house/Central units. Window units come in three main models : double-hung windows, sliding windows and casement windows.
Most necessary Features I need
They should have at least two cooling speed, two fan speed and energy saver mode which stops the fan when unit is not cooling,
should have adjustable vents to focus cool air,easily accessible filter for cleaning and replacement.
5 year warranty from manufacturer is desirable.
High Energy Efficiency Ratio (EER)
Higher the ratio more efficient will be the device and thus less running cost.The value is 11 for small units and most efficient large units have highest EER of 13.
Cooling capacity i need
Factors affecting capacity are
1. Number of windows
2. Insulation of the space
3. Number of peoples using the space
4. List of appliances in the space
A small space of 150 sq ft may only need a 5000 BTU/hr unit where as a room of 1200 sq ft may need a 19000 BTU/hr unit
The best way to calculate required size is to use any on-line instructors
Calculate Capacity
Which one should I Buy?
select the unit of correct capacity of suitable model having highest EER,Check on-line rating of product,Check manufacturer'site for Price, EER, etc.
Right Season to Buy.
Most companies have rebate in March-June season and also new models arrive that time
Right dealer to Buy
It is better to buy from an authorized dealer locally . Check on line rating of the store. Demand for professional installation. Always use credit card ,if there is a problem the credit card provider will deal the store more effectively.
thank u
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