What is the construction and purpose of air conditioning and heating systems?

Air conditioning and heating systems are systems responsible for regulating temperature, humidity, and air circulation in the vehicle cabin. They consist of cooling and heating parts, and their elements are located both in the engine compartment and under the dashboard. A typical set includes, among others, a compressor, condenser, evaporator, heater core, blower, and control modules.

What are air conditioning and heating systems used for?

Air conditioning and heating systems are used to maintain appropriate conditions inside the car throughout the year. They are responsible for cooling in summer, heating in winter, and dehumidifying the air when defrosting windows. Their efficiency also affects driver comfort, visibility, and the correct operation of automatic airflow control.

What is the construction and function of the blower module?

The blower module is a set of ducts, flaps, actuators, and housings through which air enters the cabin. It is used to direct the stream to the windshield, feet, or the central zone and to mix warm and cool air. Depending on the version, it works with actuator motors, temperature sensors, and the control panel.

How to select a part for a specific car?

When selecting, it is best to compare the OEM number, engine version, A/C type, and the layout of mounts and connectors. In many cases, the pre-facelift or post-facelift version, the type of control panel, and the presence of additional sensors also matter. A safe solution is to verify the part by VIN or by the number of the removed element.

What symptoms indicate a problem with the air conditioning or heating system?

Typical symptoms include poor cooling, lack of heating, fogging windows, uneven blower operation, and unusual noises after turning on the air conditioning. In practice, the cause may be a leak in the lines, a worn compressor, a damaged control panel, or a faulty flap motor. It is also worth checking the cabin filter and the patency of the condensate drain.

What to pay attention to before installing a used HVAC component?

Before installation, it is worth comparing the condition of the housing, the completeness of ports, mounts, and electrical plugs, and the compliance of catalog numbers. For parts such as a compressor, evaporator, or heater core, it is also important to check for leaks and signs of previous repairs. A well-chosen element reduces the risk of re-removal and facilitates proper fitting with the rest of the system.

Air conditioning and heating installations

At Global Parts, we offer a wide selection of original used car parts, including air conditioning and heating parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our air conditioning and heating parts undergoes quality control to ensure you receive a top-quality product.

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Audi A1 8X Heater Climate Air Intake Mesh Cover 8X0815479B

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Audi A4 B7 A/C Air Condition Heater Climate Control Panel 8E0820043BL

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Audi A4 B8 A5 8T Q5 8R Air Conditioning A/C Condenser 8K0260401L

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Audi A4 B7 Heater Climate Control A/C Air Conditioning Unit Panel 8E0820043AJ

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Audi A4 B7 Automatic Air Conditioning Climate Control Panel 8E0820043BM

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Audi S5 8T A/C Air Conditioning Pump Compressor Petrol Climate 8K0260805H

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Audi A6 C7 3.0 TFSI Coolant Heater Control Valve Pipe Hose Line 4H0121671D

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Audi A4 B8 A5 8T 3.0 TDI CJCB Diesel A/C Condition Pipe Hose Tube 8K0260707H

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Audi A6 C6 Air Conditioning A/C Air Con Pressure Switch Sensor 4F0959126A

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Audi A4 B8 A5 8T Air Conditioning A/C Compressor Pump Air Con Unit 8T0260805F

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