Guide For The Size Of Your New Ductless Air Conditioner

Most people are looking for the best ductless air conditioner due to more affordable prices and the fact they save energy. However, you need to know that they come in all possible power outputs. They are expressed in BTUs and they have a massive difference. They refer to the square footage of the area a unit can cover. Before you need to choose the desired model you need to know something more about this aspect.

Between 150 and 400 square feet

These are the smallest ductless air conditioners and they cove with the most affordable process. Don’t forget that they have specific BTU capabilities. As such, if you need an air conditioner of this kind, for the area of 150-200 square feet, you will go for a model with 6.000 BTU capability. If you need to cover a larger space around 400 square feet, you will need a model with 9.000 BTUs. The areas in between need to be paired with air conditioners with 7000 or 8000 BTU power.

Between 450 and 1000 square feet

Now we are in the middle of the power range. Ductless air conditioners that can be used for an area of 450-500 square feet are rated with 10.000 BTU. Those that can cover 600 square feet are even more powerful with 12.000 BTU. The biggest difference is for models that are designed to cover areas up to 1000 square feet. They must be rated with 18.000 BTU. If you make the right decision, you will get a powerful air conditioner that can meet your requirements perfectly.

Between 1000 and 1500 square feet

Ductless air conditioners that can cover an area of up to 1100 square feet are rated at 19.000BTU. They are not the most powerful models yet but they are the next best thing. Areas that are 1500 square feet or even bigger need an air conditioner of 24000 BTU. They are even capable of being used in a larger area.

Additional factors to consider

The square footage of an area is the first factor to consider when looking for a new ductless air conditioner, but not the only one. There are a few more. The first, additional factors is the height of a ceiling. If it is above 8 feet you need to choose an air conditioner with 20% additional BTU power.

A home with a poor or without insulation needs to get 30% more powerful air conditioner due to the fact heat can escape easily and cold air will increase the temperature in less time than usual. The situation is the same for homes that are located in areas where temperatures may reach 90 degrees Fahrenheit.


These are the most important factors you need to consider when looking for a new ductless air conditioner. They can make a massive difference and they will assist you in enjoying all perks of modern air conditioner without having to pay more than you should. Of course, there are a lot of additional factors that need your consideration.


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