Our team at Fast Affordable Air recently serviced a home in Las Vegas that had two outdoor condenser units and an attic-mounted gas furnace system. This setup provides powerful cooling throughout the home but can also be challenging to maintain if key components begin to fail—especially during the peak of summer in Clark County.
Initial Inspection and Diagnosis
Upon arrival, we noticed two outdoor condensers positioned side by side—one a Trane unit and the other an older model resembling a Goodman system. The area around the condensers was slightly restricted by nearby trees, which can block airflow and lead to overheating or compressor strain.
Inside the attic, we inspected a horizontal gas furnace connected to foil-wrapped ductwork. The ducts were securely strapped and sealed, ensuring efficient air delivery throughout the home. We accessed the control board, blower compartment, and the evaporator coil section for a complete check-up.
Capacitor and Fan Motor Testing
One of the first things we check on older air conditioners is the run capacitor. This small cylindrical component stores electrical energy and helps the fan and compressor motors start smoothly. A weak or failed capacitor can cause the fan to hum without spinning or the compressor to short cycle. In this system, we found a GE 45+5 µF 440V dual-run capacitor mounted inside the condenser cabinet. It was tested and confirmed to have dropped below rated capacity, meaning it was no longer holding the proper charge.
The condenser’s fan motor was also inspected. The motor label identified it as a GE thermally protected model 5KCP39BGS338S, rated for 208–230 volts. The fan motor’s bearings had begun to seize up, causing noise and vibration during operation. To restore performance and reduce energy strain, we replaced the faulty fan motor with a compatible high-efficiency unit.
Compressor and Refrigerant Check
The compressor, a Copeland model CR32K6-PFV-230, was checked for continuity, amp draw, and signs of overheating. Fortunately, it was still in good working condition, and the refrigerant pressures appeared stable once the fan motor was replaced. We verified both the suction and discharge lines for insulation quality to prevent energy loss.
Attic Furnace Inspection
The attic furnace was examined for proper ignition, gas valve function, and clean airflow. This type of setup, where the furnace and coil share space in the attic, is common in Las Vegas homes. However, attic environments can reach extremely high temperatures, which is why regular service is essential to avoid electrical failures or insulation breakdown.
We checked all wiring, drain lines, and duct connections. The gas line was properly sealed, and no carbon monoxide leaks were detected. The filter slot and blower housing were also cleaned for better indoor air quality and airflow efficiency.
Benefits of Proper AC Maintenance
- Energy Efficiency: A clean and properly functioning fan motor reduces electrical load, lowering monthly energy bills.
- System Longevity: Replacing weak capacitors and seized motors prevents compressor damage and extends the system’s life span.
- Comfort and Reliability: The improved airflow and cooling capacity keep the home comfortable even during 100°F Las Vegas days.
For homeowners, it’s a good reminder that even small components like a capacitor or motor can have a big impact on comfort and efficiency. Annual maintenance by licensed professionals—like those at Fast Affordable Air—can help prevent sudden failures and costly emergency repairs.
Learn more about our air conditioning repair services and seasonal tune-ups designed for the Las Vegas climate.
