Since their invention, air conditioners have provided a great service. Not only do they cool your home’s interior air and create a comfortable environment, but they also improve the air quality inside your house. Modern units are equipped with washable or disposable filter media that discourage allergens and pollutants from circulating throughout your interior spaces. It is important to find the perfect AC for your needs, below is a guide to help you make this choice.

Topics in this Air Conditioner Buying Guide:


  • Calculating the size of the unit is very important; you should determine it before selecting price & features.
    You need to ensure the model’s capacity is equal or slightly greater than the room size;
    -underpowered models will run more often at maximum output
    -overpowered models will increase power usage and cause wear and tear to the system

    8 to 12 1.5
    13 to 18 2.25
    19 to 24 3
    25 to 32 4
    33 to 40 5

Energy Efficiency

  • Air conditioners and Fans are rated on their energy efficiency using a ten-star scale, with more stars meaning the unit is better for the environment. For units with cooling and heating functions, separate ratings are given for each. Inverter air conditioners are more energy efficient due to their ability to regulate temperature without starting or stopping. When shopping for an air conditioning for your home, make sure you check the energy star rating before making a purchase.
    More stars = higher energy efficiency rating = more savings.
    The air conditioning star rating label normally includes the energy consumption figure, which tells you the expected energy use in kilowatt/hour per year, so you can easily compare different models and choose an air conditioner that uses the least amount of energy.


  • Once you have an idea of the air conditioner you want to buy, you should then find the price. Prices of air conditioners increase as capacity and number of features increase. They also vary across brands even with products of similar features and capacity.

    1.5 4,500 to 7,000
    2.25 6,000 to 9,0000
    3 7,000 to 10,000
    4 9,000 to 13,000
    5 12,500 to 17,000