A window airĬonditioner might be around 5,000 to 10,000 BTUs, while residential central air conditioners average between 20,000 to 50,000 BTUs. When an air conditioner is listed by BTUs rather than by tonnage, it's usually referring to BTUs per hour, so the two measures are directly comparable if you multiply or divide by 12. 1 ton = 12,000 BTUs / hourĪ two-ton air conditioner removes 24,000 BTUs per hour. BTUs are a measure of heat while tonnage is a measure of how much heat an air conditioner can remove in one hour (tonnage isn't the weight of the AC unit). To look at the tonnage or BTUs (British Thermal Units). Of course, more powerful units will tend to be larger, but it's almost impossible to tell how much cooling power an AC unit provides simply by looking at it. In air conditioning terms, size refers to cooling power, not physical size. How are central air conditioners measured? Sure your air conditioner is properly sized.
The only way to ensure comfortable, cost-effective cooling is to make In addition, excessive on-off cycling caused by an air conditioner being overpowered can wear out your system faster and cause uncomfortable hot and cold swings. Therefore, the unit does not have enough time to remove humidity from the air, which can lead to mold and
Oversized air conditioners can cool the area too quickly, which will cause it to run for a very short cycle. If it's too small, it won't be able to cool your home properly during the summer, and the non-stop running will send your electric bills soaring. When you choose an air conditioner, it's important to get the size just right.
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