Air Conditioning Complete Systems

Residential Air Conditioning Systems for Sale

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What is an Air Conditioning System?

An air conditioning system is designed to cool air within a home to improve comfort and air quality. These systems achieve this by extracting heat from the indoor air and transferring it outside, using a refrigeration cycle involving compressors, condensers, evaporators, and refrigerants. These systems do not typically involve a heat source beyond electric heat generated from an optional heat kit accessory for the air handler in the system.

How Does an Air Conditioning System Work?

Understanding how air conditioning systems operate can help you choose the right system for your needs and maintain it effectively. Air conditioning systems, like the other types of HVAC systems, operate through Refrigeration Cycles. These cycles involve the circulation of refrigerant between indoor and outdoor units, through which the refrigerant undergoes compression, condensation, expansion, and evaporation to absorb heat from indoor air and release it outdoors. The cycle is what produces the cooled air, which is then distributed throughout the building. Proper Air Distribution is what ensures even cooling and comfort inside your home. Cooled air is distributed either through the building's ductwork (in central HVAC systems) or directly from the air handling unit (in ductless systems).

Components of an Air Conditioning System

Beyond the condenser and the air handler, there are more important components within each AC system:

• The Refrigerant is a chemical substance circulating through the system that facilitates heat transfer.
• The Compressor compresses and circulates evaporated refrigerant, initiating the cooling process.
• The condenser's Internal Coil releases heat absorbed from the indoor air into the outside environment.
• The Expansion Valve, also known as the metering device, is a valve that regulates the flow of refrigerant into the evaporator coil. There are multiple types of expansion valves, such as a TXV (Thermo-eXpansion Valve), an EEV (Electronic Expansion Valve), and a simple flowrater.
• The Evaporator Coil is either built into an air handler or exists as a separate component to be attached to a furnace. This coil absorbs heat and humidity from the indoor air, cooling it before circulating it back into the home.

Choosing the Right Air Conditioning System

There are several factors to choosing the appropriate air conditioning system for your home. The following factors are among the most important to consider:

• Space Requirements: Consider the size and layout of the area to be cooled. A home's square footage will help determine the appropriate system tonnage needed.
• Energy Efficiency: Systems with high SEER ratings provide the most optimal energy savings, but may have a higher upfront cost. Systems with lower SEER ratings will have a cheaper price tag, but won't provide the same savings as a high SEER system long-term.
• Installation Considerations: Evaluate installation complexity, space availability, and any structural modifications needed for a new system. An contractor can help determine this.