AC cooling capacity is calculated using a measurement called BTU or British ... about how your home is built and the materials used can also impact your air conditioner’s effectiveness.

If the unit is used in a kitchen, increase capacity by 4,000 Btu. For a small bedroom, home office, or guest room, ranging from 100 to 250 square feet, look for an air conditioner with a capacity of 5 ...

Best Window Air Conditioner for a Small Room For a small bedroom, home office, or guest room, look for an air conditioner with a capacity of 5,000 to 6,500 Btu, which are made to ... features like a ...

So, a 200-square-foot room needs at least a 4,000-BTU air conditioner ... to adjust your air conditioning from your smartphone. In that case, this model from Senville includes built-in wifi ...