When the temperature outside begins to rise, many people seek the cool comfort of indoor air conditioning. To some people an air conditioner is purely a luxury but to others it's simply a necessity. This guide will discuss the important issues that are relevant when you are considering getting an air conditioner in your home.

Split unit systems
Technically speaking, a split-system air conditioner splits the hot side from the cold side of the system. Instead of having the whole mechanism in the same place like the window unit, the split system has the condensing unit outside.

BTU guidelines (capacity)
BTU (British Thermal Units) measures the cooling capacity of the air conditioner. The higher the number, the more cooling power the air conditioner has.
A room of 800 square feet will need a 12,000 BTU unit (depending on home isolation). Bigger rooms such as 1500 square feet might need up to 18,000 BTU's to cool the room properly.

EER OR SEER guidelines (efficiency)
EER (Energy Efficiency Rating) EER (energy efficiency rating) is another important parameter required to classify air conditioners. The EER number tells you how efficient the air conditioner converts the electrical energy into cool air. For example, if a 10,000-BTU air conditioner consumes 1,000 Watts, its EER is 10 (10,000 BTU/1,000 Watts). So the higher the EER values are the cheaper the unit will be in power consumption.

 

Room size

Approx. BTU

500 - 1000 sq. feet

12000

1000 - 1500 sq. feet

18000

1500 - 2000 sq. feet

24000

From home and garden guide

 

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