19th Jan 2024
that operates without conscious effort. The HVAC system must work in unison with all pieces of equipment. Without a central nervous system
Air conditioning and heating can be very confusing to beginners. Read this HVAC for dummies article, provided by the trusted HVAC professionals at Complete Air Mechanical, and learn HVAC in less than five minutes.
Is it surprising that the average person cares very little about how their air conditioning actually works? Of course not, our plates are filled with enough activity from trying to excel at our businesses or jobs, caring for our family, volunteering our time, and hopefully staying fit and healthy.
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HVAC stands for heating, ventilation, and air conditioning. This acronym describes three functions combined into one AC system in today’s modern homes and buildings.
Okay, now comes the time to actually learn something. Since one of the most powerful ways to learn is to build off of something you are extremely familiar with, we will compare an HVAC system to the human body. The language we will use is related to the average system in a single family home in Florida. Let’s learn a little.
The AC compressor is the Heart – That box outside your house that you may think is the entire air conditioning system is just one of many pieces of equipment involved in cooling your home. Inside of it contains a vessel that looks like an upside down bucket or perhaps something Darth Vader would wear as a helmet. This item pumps refrigerant/freon through the entire system. If this heart/compressor dies, then you may need ‘heart surgery’ or more.
Refrigerant (Freon) is the Blood – What does the heart pump through our body…. well blood/freon of course. Blood transfers/transports many things just as refrigerant changes state to provide cooling.
Line Sets/Coils are the Veins – Coming out of the compressor/heart are copper lines that feed the refrigerant into and back out of the house. This is a close looped system. Freon (refrigerant) is pumped out of the compressor (heart) into the home and then returns to a different state ready to be pumped back through. Is Freon/blood leaking out? Then we need to seal the veins. Depending on the region, veins can be very difficult or nearly impossible to repair.
Filter Dryer is the Liver/Kidney – Just as our own body filters itself the filter dryer on an air conditioning system removes any unnecessary (non-nutritious) particles. The filter dryer is located right next to the condenser (box outside).
Condenser operates like our Sweat Glands – Your body needs a way to cool down when working out. Your A/C’s refrigerant needs to cool down as well because it absorbs heat. That box outside your home is there to cool down the refrigerant before it goes into the compressor. That’s why the fan is running. It’s hot. It is looped in a coil pattern to increase surface area allowing maximum ability to cool down. You should not see sweat on your condenser. If you are seeing ice on the unit, you should shut it down and call a professional.