Need a New Air Conditioner in East Texas?

Don’t sweat it! If you need a new air conditioner, you’ve come to the right place. RES Air Conditioning is an HVAC contractor based in the East Texas. We provide the highest-quality AC replacement services to our customers in your area.

Uncertain About Which AC System to Buy?

We have your back!

A new air conditioner is an investment in your home. Your AC will be conditioning your home for the next decade. And if you don’t have any knowledge about the HVAC industry, it can feel like you’re shopping blind!

It’s totally normal to feel anxious about making the right decision. We strive to educate our customers on the AC buying process and the different options available. That way, you feel completely comfortable and confident in choosing the perfect AC for your house!

Leading the Way in AC Replacement

RES Air Conditioning is the HVAC Contractor you can trust for your new AC replacement. You can rely on the experts at RES to help you feel comfortable with the buying process. We’ll do everything we can to give you confidence throughout the entire installation process.

Call us today to schedule one of our experts to visit your home. We’ll make sure your new air conditioner is adequately sized and meets all of your needs. Our team stays up-to-speed on industry trends with ongoing training, so you can trust that you’re getting the most accurate information.

We offer AC installation and replacement services to Tyler, Longview, Kilgore and the surrounding East Texas area. Call us today to learn more about our AC installation and replacement services.

Schedule An Replacement Today


Is your family room always too cold in the winter? Do your bedrooms never feel cool during the summer months? If so, it’s likely your heating and cooling system was improperly installed without a proper load calculation. At RES Air Conditioning, we take the time to perform a room-by-room load calculation, carefully managing your duct system to ensure the proper volume of air is delivered to each room in your home – before ever installing equipment! No more hot or cold spots, lower utility bills, and less wear and tear on your equipment – that’s the RES Difference. Contact us today to discuss your unbalanced home temperature in Longview, Tyler, Henderson, or Kilgore, Texas.

What Equipment is Included in an AC Replacement?

Many homeowners don’t know all of the air conditioning components or terminology. Sometimes, it can feel like an HVAC contractor is talking in a foreign language!

During an AC replacement, you may need to purchase just one piece of an AC system, or you may have all the components included in your project. So it’s important to understand every part of the air conditioning system. Here are the main components and terminology you should know:


(Also referred to as a condensing unit or outdoor unit or sometimes even air conditioner)

The condenser is the piece of equipment that sits outside your home. The condenser has two main functions. The first function is to cool the refrigerant. The condenser has coils, a fan, and valves built inside the unit to help with cooling the refrigerant. The second job is to build pressure in the system, so that refrigerant can travel in the piping. There is a device called a compressor built inside the condenser, that helps to build pressure in the system.


(Also known as the evaporator coil or indoor coil)

The evaporator coil is located inside your house. If your home is like most homes in East Texas, then an evaporator coil will be right near your furnace. The evaporator coil contains the extra-cold refrigerant and cools the air. An evaporator coil, also a device called an expansion valve, helps keep your coil nice and cold.

Other AC Components

There are other pieces that make your AC system work, such as:

  • Refrigerant piping between the condenser and evaporator is essential.
  • Ductwork to transport the air around your home and back to your evaporator.
  • Indoor fan (or indoor blower) that pushes air around your house. Most AC systems use the blower that’s inside of your furnace.
  • Thermostat to communicate on and off signals to your condenser and blower.