Whether you’re building a new home or upgrading your existing heating and cooling system, there is one question you’re definitely going to ponder: what size air conditioner do I need? Selecting the correct air conditioning size is a balancing act. Too large, and you could encounter poor humidity control and exorbitant energy costs. Too small, and the unit might not be able to maintain comfortable temperatures on scorching hot days. Proper air conditioner sizing is crucial to enjoy an efficient, cost-effective and comfortable cooling experience.
Ensuring your air conditioning can generate the perfect cooling capacity is a matter of comfort and cost savings. Here’s why you shouldn’t simply guess the correct air conditioning system size:
Cooling capacity is measured in British thermal units (BTUs). A BTU is a standard unit of energy that conveys the amount of heat an air conditioner can remove per hour. A large percentage of room air conditioning units range from 5,000 to 18,000 BTUs. Because central air conditioners are bigger, they’re commonly measured in tons. A one-ton system is proportionate to 12,000 BTUs. Many central AC units range from 1 to 5 tons.
For window or portable air conditioners, the right size primarily 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 take into account factors like interior heat gain or how much sun streams in through the windows of the room. For a more accurate calculation, seek expert advice from Service Experts Heating, Air Conditioning & Plumbing.
Determining the correct size of central air conditioner begins with the home’s square footage, but accurate sizing involves a more in-depth look. HVAC specialists rely on load calculations detailed in Manual J to determine a home’s particular cooling requirements. Here are the factors that professionals consider:
Besides knowing what size air conditioner you need, consider these additional factors when installing a new air conditioner:
Choosing the right air conditioner size can be stressful. The Experts at Service Experts Heating, Air Conditioning & Plumbing are here to help. We offer custom cooling solutions to boost home comfort, efficiency and energy savings.
From estimating your unique cooling specifications to helping you navigate different brands and efficiency ratings, we’re there for you at every step. For help choosing 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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