Whether you’re building a new home or updating your existing heating and cooling system, there is one question you’re guaranteed to ponder: what size air conditioner do I need? Buying the ideal air conditioning size is a balancing act. Too large, and you could encounter poor humidity control and exorbitant energy expenses. Too small, and the unit might not be able to reach comfortable temperatures on scorching hot days. Proper air conditioner sizing is required to enjoy an efficient, cost-effective and comfortable cooling experience.
Ensuring your air conditioner can generate the right cooling capacity is a matter of comfort and keeping your energy bills low. Here’s why you shouldn’t just guess the appropriate air conditioning system 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 in one hour. A large percentage of room air conditioners 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 comparable to 12,000 BTUs. Generally, central AC systems range from 1 to 5 tons.
When examining window or portable air conditioners, sizing 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 take into account factors like interior heat gain or how much sun streams in through the windows of the room. For a more exact calculation, seek expert advice 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 professionals rely on load calculations explained in Manual J to determine a home’s specific cooling requirements. Here are the considerations that technicians will examine:
Besides knowing what size air conditioner you need, consider these additional factors when installing a new air conditioner:
Choosing the best air conditioner size can be daunting. The Experts at Service Experts Heating, Air Conditioning & Plumbing are here to support you throughout the process. We provide custom cooling remedies to optimize home comfort, efficiency and energy savings.
From establishing your exact cooling needs to helping you browse different brands and efficiency ratings, we’re at your side 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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