Whether you’re building a new home or upgrading your existing air conditioning system, there is one question you’re guaranteed to ponder: what size air conditioner do I need? Choosing the correct AC size is a balancing act. Too large, and you could encounter poor humidity control and excessive energy expenses. Too small, and the unit might not be able to provide comfortable temperatures on extremely hot days. Correct air conditioner sizing is required to enjoy an efficient, cost-effective and comfortable cooling experience.
Ensuring your air conditioner provides 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 expressed in British thermal units (BTUs). A BTU is a standard unit of energy that conveys the amount of heat an air conditioner can remove every hour. The majority of room AC units range from 5,000 to 18,000 BTUs. Because central air conditioners are more powerful, they’re usually measured in tons. A one-ton system is equivalent to 12,000 BTUs. Generally, central air conditioning models range from 1 to 5 tons.
For window or portable air conditioners, which size you need primarily depends on the room’s square footage. Measure the room—length x width—and match it to the appropriate BTUs:
These general recommendations don’t account for factors like interior heat gain or how much sun streams in through the windows of the room. 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 accurate sizing demands a more in-depth look. HVAC specialists rely on load calculations outlined in Manual J to determine a home’s unique cooling requirements. Here are the elements that technicians will examine:
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 solutions to enhance home comfort, efficiency and energy savings.
From estimating your unique cooling needs to helping you understand different brands and efficiency ratings, we’re with you at every step. For help picking out 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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