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What size air conditioner do I need?

Here is the easiest way to find out the cooling size or capacity of your existing air conditioning system:

  • Go to your outdoor unit (condenser) that looks like this:
  • Find and take a picture of the label that looks like this:
  • Find one the following codes in the model number — it will tell you what the capacity is:
    If you see this… …then your capacity is this
    018 or 18 1.5 tons
    024 or 24 2 tons
    030 or 30 2.5 tons
    036 or 36 3 tons
    042 or 42 3.5 tons
    048 or 48 4 tons
    060 or 60 5 tons

    (so in the example above the capacity is 4 tons)

as you know...
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