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How Does an AC Unit Normally Function?
Posted On: May 5, 2024
An air conditioning (AC) unit works by extracting heat from inside a building and transferring it outside, thereby cooling the indoor air. Here's a basic rundown of how a typical AC unit functions:
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Evaporation: The process begins with a fluid called refrigerant, typically a special type of coolant, circulating through the system. The refrigerant starts in a gaseous state.
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Compression: The compressor, a crucial component, pressurizes the refrigerant gas. This compression increases its temperature significantly.
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Condensation: The hot, pressurized gas travels to the condenser coils located outside the building. Here, the heat from the refrigerant is released into the outside air, causing the gas to condense into a high-pressure liquid.
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Expansion Valve: The high-pressure liquid refrigerant moves through an expansion valve, which reduces its pressure and temperature as it enters the evaporator coils inside the building.
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Evaporation and Cooling: In the evaporator coils, the low-pressure liquid refrigerant rapidly evaporates into a gas due to the lower pressure and temperature inside the building. This process absorbs heat from the indoor air, cooling it down.
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Air Circulation: A fan blows indoor air over the cold evaporator coils, cooling the air before circulating it back into the building.
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Cycle Repeats: The refrigerant, now in a gaseous state again, returns to the compressor to restart the cycle. This continuous process maintains a cool indoor environment.
This cycle repeats as long as the AC unit is running, maintaining the desired temperature inside the building. Modern AC systems often include additional features like programmable thermostats, air filters, and variable speed fans for increased efficiency and comfort.
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See What Our Customers Are Saying:
Apr 28, 2022
I left a live chat message on their website that my air conditioning was not working. Within 1hr a representative called me to discuss my options.
The next day he came to the house to review my needs and give me a price for a new system. Price quoted was less than I expected and the installation was completed the following day. I found their salesman and the installers very knowledgeable and easy to deal with. All my questions were answered. Everything was properly explained in regards to what unit was needed and why, along with instruction where needed for use.
The installers made sure everything was working properly before they left.
Apr 28, 2022
This is to thank Twintech Heating and Cooling for their exceptional and timely service. Mitch, their technician was very courteous and generous with his time right from his first meeting with us. He not only took the time to check everything but also educated us on why we needed what he recommended. Greg and Mitch graciously accommodated us on our requested day and time for job to be done. They were both very courteous and responsive to our needs and special requests especially in a tight spot. The job was finished neatly and on time. Thank you Twintech for your great service !
Apr 28, 2022
They came the day and time they had planned for us and were very fast and efficient! The AC works amazing and it is amazing during the heat of the summer we have already got! Thanks for everything you did for us!
Apr 28, 2022
Would recommend this company to friends and family in a heartbeat. Very professional , on time and left no mess when the job was done.
Apr 28, 2022
Great customer service. Responsive and professional. I would highly recommend Twintech, I used them previously for repair service and a new air conditioner- very satisfied.
Apr 5, 2022
Our air conditioner failed. Made a call and within 15 min a technician was at our door.
The issue was fixed and many suggestions were provided.
Thanks to Mitch. Great service !
Apr 5, 2022
Our furnace was rattling, as soon as we put our air conditioner on this past week. We had researched looking for a company that was Registered with Better Business Bureau, and this company TwinTech, had A+ Rating. Scott, was immediately helpful via text/phone and sent his technician as soon as he was able...Mitchell/technician provided great professional service. Thank you TwinTech.
Sean and Debbie
Apr 5, 2022
I contacted various companies when looking to install a new furnace and I found Twintech to be transparent with their communication and approach. They had options to suit my various requirements and the price vs quality was very good. The after installation communication was also very good and they answered all queries I had.
Apr 5, 2022
My furnace broke down last month. The team was quick to respond, courteous, professional and mindful of COVID-19 concerns. I highly recommend them if you are considering replacing or servicing your HVAC equipment.
Apr 5, 2022
I was very happy with the installation and price. I would definitely recommend. Thank you Twintech.
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