# How Many Square Feet Does a 3 Ton Air Conditioner Cool?

If you’re in the market for a new air conditioner, one of the questions you may have is how many square feet a 3 ton air conditioner can cool. This is an important question to answer because you don’t want to end up with a unit that is too small or too large for your space. In this article, we’ll explore the factors that determine the cooling capacity of an air conditioner and provide you with a general guideline for selecting the right size unit.

## Understanding Air Conditioner Cooling Capacity

The cooling capacity of an air conditioner is measured in British Thermal Units (BTUs) per hour. One ton of cooling is equivalent to 12,000 BTUs per hour. Therefore, a 3 ton air conditioner can cool 36,000 BTUs per hour.

The cooling capacity required for a given space depends on a variety of factors, including:

• The size of the space (in square feet)
• The climate in which you live
• The number of windows and doors in the space
• The amount of insulation in the space
• The number of people who will occupy the space
• The amount of heat-generating appliances in the space (e.g. computers, refrigerators, etc.)
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All of these factors will impact the cooling capacity you need for your space.

## Determining the Right Size Air Conditioner

To determine the right size air conditioner for your space, you’ll need to perform a load calculation. This involves taking into account all of the factors we mentioned above and calculating the amount of cooling capacity required for your space.

While load calculations can be complex, there are some general guidelines you can follow to get a rough estimate of the cooling capacity you need. As a general rule of thumb, you’ll need around 20 BTUs per square foot of space you want to cool. Therefore, a 3 ton air conditioner (which is equivalent to 36,000 BTUs per hour) can cool a space up to around 1,800 square feet.

However, it’s important to note that this is just a general guideline. If your space has high ceilings, large windows, poor insulation, or other factors that impact the cooling capacity required, you may need a larger unit.

## Other Considerations When Choosing an Air Conditioner

While the size of the unit is important, there are other factors you’ll want to consider when choosing an air conditioner. Here are a few additional things to keep in mind:

• Energy efficiency: Look for units with a high SEER (Seasonal Energy Efficiency Ratio) rating. This will help you save money on your energy bills in the long run.
• Noise level: Some air conditioners can be quite loud, so if noise is a concern for you, look for units with a lower decibel rating.
• Features: Do you want a unit with a remote control? A programmable thermostat? A dehumidifier? Make a list of the features that are important to you before you start shopping.
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## Conclusion

In conclusion, a 3 ton air conditioner can cool up to around 1,800 square feet of space, but it’s important to take into account all of the factors that impact the cooling capacity required for your specific space. If you’re not sure what size unit you need, it’s always best to consult with a professional HVAC technician who can perform a load calculation and make a recommendation based on your unique needs. Remember to consider other factors such as energy efficiency, noise level, and features when choosing an air conditioner as well. With the right unit, you can keep your space cool and comfortable all summer long.