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AC & Heating Services

Wilks Air Conditioning & Heating has defined some AC & Heating Terms to help you better understand your air conditioning and heating systems.

Central Air Conditioning

A system is made up of four main components including an air handler, an evaporator coil, a condensing coil, and air ducts which deliver the air to individual rooms throughout your home. All of the components of your air conditioning system need to be carefully matched together during the original installation. A mismatched system will operate poorly, and in some cases will not operate at all.

Air Handler (typically the furnace blower is used)

Condenser

The outdoor unit of a split system is the condenser. It consists of the compressor, which is a pump that circulates the refrigerant through the evaporator coil, a large radiator coil to transfer heat, and a fan to blow air through the coil to keep it cool. It is important to keep the area around the condenser clear so it can operate properly.

Air Ducts

Today’s duct work consists of insulated flexible tubes that snake across the attic floor or under the house. Unfortunately, cooling ducts are out of sight and therefore out of mind and tend to be neglected when it comes to cleaning and repair. A recent study concluded that the average home loses up to 30% of the cool air before it ever gets to the rooms where it’s needed due to leaking duct work. Combined with poorly designed supply registers that don’t allow for good air circulation, you could be spending up to 50% more on your cooling cost than you would with a well-designed, sealed duct system, and adjustable supply vents.

Humidity

Humidity refers to the moisture that has evaporated into the air and exists as an invisible gas. As the heat is removed from the air passing over the evaporator, moisture condenses out of it. We know this moisture as condensation and provide a drain line for its disposal. When the humidity is high, there is more moisture in the air and more condensate will be formed. If your home construction doesn’t allow for a regular gravity flow drain to dispose of the condensate, a small water pump may be used that will pump the water to a convenient drain or outside to a small, dry well dug next to your condensing unit and filled with gravel. This condensate pump contains a float switch and will cycle on and off as needed.

Size Matters

Your system needs to be properly sized for your home. The size of your central air conditioner is measured in tons of refrigeration.

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San Antonio Texas
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