Whether you’re building a new home or updating your existing air conditioning system, there is one question you’re guaranteed to consider: what size air conditioner do I need? Selecting the right air conditioning size is a balancing act. Too large, and you could experience poor humidity control and significant energy costs. Too small, and the unit might fail to provide comfortable temperatures on extremely hot days. Appropriate air conditioner sizing is required to enjoy an efficient, cost-effective and comfortable cooling experience.
Ensuring your AC can generate the proper cooling capacity is a matter of comfort and energy savings. Here’s why you shouldn’t simply guess the ideal air conditioning system size:
Cooling capacity is measured in British thermal units (BTUs). A BTU is a standard unit of energy that shows the amount of heat an air conditioner can remove per hour. The majority of room air conditioners range from 5,000 to 18,000 BTUs. Because central air conditioners are larger, they’re commonly measured in tons. A one-ton system is equivalent to 12,000 BTUs. Many central AC systems range from 1 to 5 tons.
When examining window or portable air conditioners, which size you need 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 sun exposure. For a more precise calculation, contact a cooling specialist at Service Experts Heating, Air Conditioning & Plumbing.
Choosing the perfect size of central air conditioner begins with the home’s square footage, but correct sizing requires a more in-depth look. HVAC professionals rely on load calculations outlined in Manual J to determine a home’s particular 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:
Choosing a suitable air conditioner size can be stressful. The Experts at Service Experts Heating, Air Conditioning & Plumbing are here to support you throughout the process. We can provide you with custom cooling strategies to optimize home comfort, efficiency and energy savings.
From calculating your exact cooling specifications to helping you browse 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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