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What Size Air Conditioning Unit Is Right for Your Home?

Posted on Jul 31, 2017

Now that summer’s in full swing, the heat and humidity can be overbearing. Having an efficient central air conditioning unit as part of your heating ventilation and air conditioning (HVAC) system can make your home much more comfortable for you, your family, and your guests. Whether you’re on the hunt for a new air conditioning unit or you’re looking to upgrade your old one, finding one that’s the right size for your home is especially important.

Here at Air Works Heating & Air, we know how important it is to have working AC during North Carolina’s scorching-hot summers. Continue reading to learn more about what goes into determining what size air conditioning unit is right for your home.

Learn the Meaning of BTU and SEER

Knowing these terms can help you learn more about the cooling capacity of differently sized AC units.

A ton is the measure for the cooling capacity of air conditioning systems. One ton of cooling equals the amount of heat that’s needed to melt a single ton of ice over an hour-long period. Whether you need a 1-ton, 2-ton, or 3-ton unit depends on the size and setup of your home.

British thermal units are more commonly known as BTUs. But don’t let the name confuse you. BTUs are used to measure energy output, and one BTU equals the energy used to raise one pound of water by one degree in temperature.

SEER is an acronym for Seasonal Energy Efficiency Ratio. Figuring out the right tonnage of your home is only one aspect of finding the right air conditioning unit. You’ll also want to look for a unit with a high SEER rating to cut down on costs and energy usage.

Determine the Size of Your Home

If you want to gain a basic understanding of the size of your home, you can measure the square footage of each room by multiplying length times width for rectangular and square rooms, or by multiplying length times width and dividing by two for triangular rooms.

While measuring square footage is useful for gaining a basic understanding of the size of your home, you’ll still need a professional to find the right size air conditioning unit. After all, there are numerous factors that can affect how big or small your AC unit needs to be. Some of these factors are:

  • The height and total volume of each room you use
  • The total area of exterior walls that are exposed to the sun
  • How many windows you have and which way they face
  • The amount of sunshine and shade each room in your home receives

Think About Your Lifestyle and Air Conditioning Needs

While determining the size of your home is incredibly useful for identifying what size air conditioning unit you need, your lifestyle can have an impact on this as well.

The amount of people living in your home and how often they’re there can have an impact on how efficiently your air conditioning unit runs. For example, whether you work remotely or spend most of your day in an office can help determine what size air conditioner you need. The comfort preferences of everyone in your household can also play a role in figuring out the right size AC unit for your home.

Need a Properly Sized AC Unit Installed? Call the Professionals

If you’ve made the decision to buy a new air conditioning unit, then you get in touch with us. Our experienced AC specialists will use their expertise to figure out what size air conditioning unit is right for your home.

Contact us here, or call us at (919) 528-4333. We’ve been serving North Carolina’s Triangle area for years, and we’re here to help you with all your HVAC needs.

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