Air Filters
- Regularly replacing air filters ensures optimal airflow and improves air quality. Clogged filters can strain your system and reduce efficiency.
Thermostat
- A malfunctioning thermostat can lead to incorrect temperature readings and inefficient operation. Having a spare ensures you can quickly restore control over your system.
Capacitors
- Capacitors help start the compressor and fan motors. A failed capacitor can prevent your AC unit from running, so having a spare can save time and inconvenience.
Contactor
- This switch controls the flow of electricity to the compressor and condenser fan motor. A faulty contactor can prevent your AC from turning on or cause it to run continuously.
Fan Motor
- Both the condenser fan motor and the blower motor are essential for moving air through the system. A spare motor can be crucial if one fails, especially during peak usage times.
Compressor
- The compressor is the heart of the AC unit, responsible for circulating refrigerant. While more costly, having a spare can be a lifesaver if your compressor fails.
Refrigerant
- Low refrigerant levels can lead to poor cooling performance and damage to the compressor. Keeping a supply of the correct refrigerant type ensures you can top up when needed.
Expansion Valve
- This component regulates the flow of refrigerant into the evaporator. A malfunctioning expansion valve can lead to inefficient cooling or freezing up of the evaporator coil.
Fuses and Circuit Breakers
- These protect your AC unit from electrical surges. Having spare fuses and circuit breakers ensures you can quickly restore power if one blows.
Drain Pan and Drain Line
- A cracked drain pan or clogged drain line can cause water leaks and damage. Keeping spares on hand helps you address these issues promptly.
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