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Pairing Your Split Air Conditioning System: Why a Good Match is Important

May 23, 2013 | Blog

Two components, the indoor coil and outdoor condensing coil, work together in harmony when you have a split air conditioning system. Of course, this is only the case if the two parts match. After all, if you update the outdoor condensing unit to a high-efficiency model, but you don’t replace the indoor coil, the result could be expensive as well as uncomfortable.

Here’s a look at how split air conditioning systems work and why a good match is so important.

How split A/Cs work

Contrary to popular belief, air conditioners don’t add cold air to your home; instead, they remove heat to make the space cooler. This engineering marvel is made possible by refrigerant, a coolant that travels between the indoor coil and outdoor condensing unit. In brief, a split air conditioning system works like this:

  • Refrigerant flows from the condensing unit’s compressor to the indoor coil through copper tubing.
  • The refrigerant then absorbs heat from the air in your home.
  • The refrigerant travels back outside, where the compressor constricts the refrigerant and the condenser coil causes the heat to be expelled to the exterior.
  • The cycle repeats again and again until the thermostat senses that the proper temperature has been reached and signals the air conditioner to shut off.

Why a good match is important

It may be less expensive initially to replace only the outdoor condensing unit, but you won’t get the most out of your investment. At best, the system will operate at a lower efficiency rating than it’s capable of. At worst, the mismatched equipment will fail to keep your home comfortable, and break down prematurely.

When you consider how much it costs to repair or replace an air conditioner that fails before it should, it makes sense to replace both the indoor and outdoor parts to begin with. The greater installation cost that comes with replacing both parts of a split air conditioning system is well worth the system’s ensured longevity and home comfort.

For more information about installing a new split air conditioning system in your south Texas home, please contact CCAC, Inc. in Corpus Christi today.

Our goal is to help educate our customers in Corpus Christi, Texas about energy and home comfort issues (specific to HVAC systems).  For more information about split A/C systems and other HVAC topics, download our free Home Comfort Resource guide.

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