Whether you’re building a new home or upgrading your existing air conditioning system, there is one question you’re guaranteed to consider: what size air conditioner do I need? Selecting the ideal air conditioning size is a balancing act. Too large, and you could encounter poor humidity control and significant energy bills. Too small, and the unit might fail to maintain comfortable temperatures on sweltering hot days. Correct air conditioner sizing is crucial to enjoy an efficient, cost-effective and comfortable cooling experience.
Ensuring your AC can generate the right cooling capacity is a matter of comfort and cost savings. Here’s why you shouldn’t merely guess the ideal air conditioner size:
Cooling capacity is calculated in British thermal units (BTUs). A BTU is a standard unit of energy that indicates the amount of heat an air conditioner can remove every hour. A large percentage of room air conditioners range from 5,000 to 18,000 BTUs. Because central air conditioners are larger, they’re usually measured in tons. A one-ton system is equivalent to 12,000 BTUs. Generally, central AC systems range from 1 to 5 tons.
When examining window or portable air conditioners, sizing mainly depends on the room’s square footage. Measure the area—length x width—and match it to the appropriate BTUs:
These general tips don’t consider additional factors like interior heat gain or whether or not you have any shade trees around your home to block out the sun. For a more accurate calculation, reach out to an HVAC professional from Service Experts Heating, Air Conditioning & Plumbing.
Choosing the right size of central air conditioner begins with the home’s square footage, but specific sizing requires a more in-depth look. HVAC Experts rely on load calculations outlined in Manual J to determine a home’s specific cooling requirements. Here are the considerations that professionals consider:
Besides knowing what size air conditioner you need, consider these additional factors when installing a new air conditioner:
Selecting a suitable air conditioner size can be overwhelming. The Experts at Service Experts Heating, Air Conditioning & Plumbing are here to support you throughout the process. We provide custom cooling strategies to boost home comfort, efficiency and energy savings.
From calculating your precise cooling specifications to helping you navigate different brands and efficiency ratings, we’re with you at every step. For help selecting the perfect air conditioner for your home in the U.S., call 866-397-3787 today to schedule your appointment with Service Experts Heating, Air Conditioning & Plumbing.
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