How Your AC Works

Every summer, you get to enjoy the cold air that comes out of your vents from your air conditioner. Unless you’re an HVAC technician, your only direct connection to your AC may be when you change the temperature on your thermostat. But have you ever wondered how your air conditioner works? Knowing a little bit about your AC unit can help you maintain the system and keep it in good condition. 

At Abraham AC & Heating Services, Inc., we’d love to give you some basic information about your air conditioner and how it works to cool your home. Then, we’ll give you some tips on how you can maintain your AC so that it keeps giving you the icy, cold air that you crave on long summer days. 

How Does Your AC Work?

Do you remember your physics class from high school? You may have learned about the second law of thermodynamics. It sounds fancy, but the concept is simple: when two objects touch, heat will transfer from the warmer object into the colder object. In your AC unit, everything is based on that simple law.

When you want to transfer heat from inside your house to outside, you need something colder to absorb the heat. In an AC, this colder substance is called refrigerant. Not only is refrigerant cold, but it can easily change from a liquid to a gas. Here’s how the process works:

Step 1: Cooling the Air

Your AC unit has a blower motor that pulls the warm air from your home and blows it across a part called the evaporator coil. The evaporator coil houses the refrigerant, and when the air passes across it, the refrigerant picks up the heat from the air, making the air cooler. The cold air is then blown into your house.

Step 2: Compression

The refrigerant continues on its journey through your AC system. Its next stop is the compressor. The compressor takes the refrigerant and “compresses” it, turning it into a gas and pressurizing it. Higher pressure means more heat, so the refrigerant gets even hotter.

Step 3: Releasing the Heat

After the refrigerant leaves the compressor, it moves to the condenser coils. These are located outside your house. The process is the same as with the evaporator coils but in reverse. Air is blown across the condenser coils. Since the air is cooler than the refrigerant, the heat is released into the outside air and the refrigerant cools off. It can then go back inside to start the process over.

Maintaining Your AC

In order for this whole process to work effectively, your air conditioner needs to be in pristine condition. If anything keeps air from circulating properly through the system, the refrigerant won’t be able to do its job. You could end up with an inefficient system, AC freezes, or breakdowns.

The best way to maintain your AC is to change your filter every 1-3 months. The frequency will depend on whether you have pets and how dusty your environment is. Changing the filter will help air to pass freely through the system and past the evaporator coils.

Next, keep all of your vents open and your registers free from blockages. Air needs to be able to easily pass through the unit. Blocking off too many will cause a breakdown in your AC.

Finally, schedule a tune-up with a local HVAC contractor at least once a year. They will clean your evaporator coils, check your blower motor, lubricate moving parts, and make sure everything is working correctly.

Need AC Service? Call Us!

Your air conditioner is an amazing piece of equipment that’s based on very simple principles. While the inner workings of your AC may be beyond the scope of your interest, keeping it well maintained can make a big difference to your comfort. Make sure you call Abraham AC & Heating Services, Inc. today to schedule your annual tune-up. 


Your Friendly AC Specialists in Broward County

At Abraham AC, we specialize in AC repair and new installations for heating and central air conditioning systems.

It’s our job is to be available for your questions, and provide reliable communication. We want to make the process of fixing your ac as straight forward as possible at honest, dependable prices.

We empathize with how uncomfortable the South Florida summer weather gets. We want you back to comfort quickly, so we work hard to have fast, reliable response times.

Responsibilities fill your day so we want to make your time with us as hassle-free as we can.

Adam Soliman



Abraham AC was founded in 2003 and has served over 5,000 Happy Homeowners!

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The Better Business Bureau is the leader in advancing marketplace trust. We are pleased to be one of their trusted five-star members.


– DON E.

Abraham A/C is 5 star all the way. From the first phone conversation with Claudia to the final clean up after installation, Adam and his crew were professional, prompt and courteous. The estimate was fair and reasonable compared to the others I received. I highly recommend Abraham A/C.



Absolutely love this company! My a/c unit had an issue and Abraham sent someone over that day. Claudia whom handled my call was sweet and professional. The technician Adam was great..poor thing went on to my roof in a rain shower to check on the unit with no complaint. He was very thorough and serviced the unit rather quickly. Overall price was lower then I expected. With all the rift raft out there, I was very happy I chose to go with Abraham. Thank you!!


We can help you find the best system design for your space. We offer both commercial and residential units for nearly any situation.


Our go-to system is Rheem, but not all projects are the same. Your financial or capabilities goals may favor another brand. Let us help you make the call.

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Brands: Rheem, Goodman, Carrier, American Standard, Amana, HydroTech – Sizes: 1 ton, 1.5 ton, 2 ton, 2.5 ton, 3 ton, 3.5 ton, 4 ton, 4.5 ton, and larger units available

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Schedule a home assessment today. Then, sit back and chill, because we’ve got just what you’re looking for at the lowest price…guaranteed!