HVAC Diagnostic and Temporary Repairs on Aging System in Las Vegas

This Las Vegas home was experiencing a complete AC failure during rising temperatures. The system, a 1994 3-ton straight cool condenser paired with a hydronic air handler, had stopped cooling altogether. Bob’s Repair was called in to perform a full diagnostic and provide honest advice on possible repairs and long-term solutions.

Exterior view of the aging Goodman 5000 series condenser.
Our Professional Technician ready for cleaning Air Conditioner Coils.

What We Found

Our technician discovered several critical issues during the inspection. The condenser fan motor was spinning in reverse due to a failed capacitor, and when tested further, the fan side of the motor showed no functionality at all. The compressor capacitor was also operating outside its normal range.

The refrigerant levels were completely flat, and because the unit uses R-22—banned since 2019—recharging or replacing parts was not a viable long-term option. Inside, the blower motor showed signs of oil loss, and the evaporator coil was severely rusted and caked with dirt. A heavily clogged return filter added to the airflow restriction issues.

How We Fixed It

To temporarily restore limited operation, we replaced both the failed run capacitors and attempted to power the fan motor back on. We also advised the homeowner to replace the return filter immediately to prevent further airflow and system strain. While this offered a short-term solution, we emphasized the need for immediate monitoring due to the fan motor’s questionable status and the complete loss of refrigerant.

🚀 The Result

Although we were able to make minor repairs to get the unit running briefly, the system is nearing the end of its life. Between the obsolete R-22 refrigerant, extensive rust, and worn-out electrical components, continued investment in repairs would likely result in diminishing returns. We provided clear guidance on replacement options, recommending a new Trane or RunTru straight cool condenser paired with a compatible First Co air handler for long-term reliability.

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SAFETY DISCLAIMER

HVAC systems involve electricity and potentially harmful refrigerants that can pose serious safety risks. Attempting DIY repairs or maintenance on air conditioning systems may result in:

  • Carbon monoxide poisoning
  • Electrical shock or fire hazards
  • Refrigerant exposure or environmental damage
  • Voided warranties or insurance complications

All HVAC system work shown in this article was performed by licensed professionals following industry safety protocols. For your safety and the protection of your property, always consult with certified HVAC technicians for repairs, maintenance, and installations.

Team of Bob's Repair technicians in Paradise, NV, performing maintenance on outdoor AC units to extend their lifespan, set against the backdrop of a local home and a palm tree.

💡 Why Homeowners in Las Vegas Choose Bob’s Repair

At Bob’s Repair, we give homeowners the facts—no pressure, just professional advice. We’re here to extend the life of your system when possible, and help you transition smoothly when it’s time to replace. As the #1 Trane installer in Las Vegas for 2024, featured by Yahoo Finance and Business Insider, our team brings both expertise and integrity to every visit.

Contact us when you’re ready to explore your best options.