Get Familiar with the Parts in your Home AC System

If you were asked this question, “What is the most important appliance in your home,” would your answer be your home air conditioning system? If you live in Arizona, there is a high percentage that it would. Anyone who has spent a brutal Arizona summer without a properly working air conditioner knows what misery it can be, and how important it is to quickly invest in a repair or Phoenix AC replacement.

Although we rely so heavily on this important home system, most of us don’t know much about how it works. The first thing to know is that a central air conditioning system runs on electricity and removes heat from air with basic refrigeration principles.

If you have ever had your air conditioner serviced, you may have heard the technician use some unfamiliar terms. Be prepared for your next air conditioning repair visit by learning about each of these important parts:

  • Condenser: The condenser is the main component of central air conditioning system and is the box you see outside your home.
  • Evaporator: The system fan blows air past the evaporator, which then cools the air.
  • Compressor: A pump that circulates the refrigerant through the air conditioning system.
  • Lineset: This term refers to the copper refrigerant lines that run from your condenser to your evaporator coil.
  • Expansion valve: This part removes pressure from the liquid refrigerant to allow it to change from a liquid to a vapor.
  • Condensate drain: This is the pipe that runs from your evaporator coil outside and allows the moisture that the evaporator coil produces to be drained.
  • Thermostat: Perhaps what you are most familiar with, the thermostat is what regulates the system’s temperature. If you don’t have a programmable thermostat, consider installing one for better system efficiency.

With all of these parts, it can be easy to feel overwhelmed. But don’t worry – the experts at Chas Roberts Air Conditioning & Plumbing are here to take care of all of your air conditioning and heating needs, including Phoenix AC repair, the installation of a new system, and even the purchase of your monthly disposable filters!

Chas Roberts Air Conditioning & Plumbing are the experts when it comes to Phoenix AC replacement. If your system isn’t working properly, contact Chas Roberts today to set up a Phoenix AC repair appointment. Visit or call (602) 943-3426 in Phoenix or (520) 292-6858 in Tucson.