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Air Conditioning 101: Which of the 4 Most Common Types of Air Conditioning Units Are Right For You?

By Just Right Services | April 14, 2016

Zoned AC remote control

In Southern California, air conditioning systems are necessary to survive the summer heat. Whether you’re in the market for a new system or are looking to update your home with its first a/c unit, it’s best to start by knowing your options.

Window Air Conditioner – Technically called a unitary air conditioning system, a window air conditioner is a self-contained air conditioning unit. Most commonly secured in one of your home’s windows, the system is equipped with all of the necessary components required to cool the room. These systems blow cool air out of the front of the unit into a room and expel the hot air through the back. Depending on the unit’s capacity, they are generally designed to cool a single room.

Portable Air Conditioners – Another version of a unitary air conditioning system, the portable air conditioner is a mobile, freestanding, and self-contained unit that generally sits on the floor inside of the home. Similar to a window air conditioner, the unit pushes cool air out the front, but it releases exhaust heat through a hose vent that is secured to the outdoors through a window or opening in an exterior wall. Generally, portable air conditioning units are designed for single rooms under 500 square feet.

Ductless Mini-Split System Air Conditioners – Consisting of two parts – an indoor and an outdoor unit – the ductless mini-split system air conditioner is a great solution for quiet, convenient cooling to specific rooms or zones of your home. Outdoors, the unit contains the condenser, compressor, and expansion valve. Indoors, the evaporator and cooling fans blow air to the rooms you want. Insulated conduits that hold the refrigeration line and exhaust line connect the indoor and outdoor elements.

Central Air Conditioner – Commonly considered the best choice for traditionally hot areas such as Orange County, central air conditioning systems provide the most consistently comfortable climate with the best performing and quietest system available. Central air conditioning systems utilize a condensing unit, which generally takes the form of a large metal box outside the home. The condensing unit houses the compressor, condensing coils, and condensing fan. A refrigerant tubing line connects the condensing unit with the evaporative unit inside the home. The evaporative unit holds the evaporator coil and the expansion valve. The treated air gets moved through the home in a series of ducts, most often the same ducts connected to the furnace or heating system.

With a vast array of options on the market, choosing the right air conditioning unit for your home can be complicated. At Just Right Services, we explain the options to our customers and ensure they find the best HVAC system for their specific needs. Contact Just Right Services today at (949) 245-6320.

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Just Right was able to come within a few hours- helpful when the A/C is broken and its 90 degrees. The team were really nice, courteous guys who explained everything to me and provided an estimate to sign before proceeding with the work. Our A/C was up and running within an hour at a reasonable price. Thank you!


Great HVAC Repair company! They answered when I called this morning and in the middle of Summer had a repair person out this afternoon. Our repair guy Robert May was incredibly nice, professional, and did a great job of explaining what was wrong as he fixed it. Now our AC is working perfectly!


Very responsive – called to request service on a Monday morning and repairman arrived after lunch the next day. Service was excellent. Technician was professional and knowledgeable. Every step of the repair process was explained. AC unit is now working efficiently. Recommendations were made but did not push us to purchase other services or parts. Would 100% recommend!


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