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Cruz Air & Electric AC Tune-Up Checklist


  • Inspect All Filters, including any Media or Whole-Home Air Filters
  • Inspect the Blower Wheel
  • Inspect and Test the Condensate Drain Line
  • Inspect the Outdoor (Condenser) Coil if Accessible
  • Visually Check for Refrigerant Leaks
  • Check and Clean Thermostat and Test Operation
  • Check Metering Device if Accessible
  • Check Return Air Temperature
  • Check Supply Air Temperature
  • Check Temperature drop(s)
  • Check Disconnect Box, Wire Sizes, and Tighten Connections
  • Check Operation of Service Valves
  • Test and Measure Capacitor Voltage and Start Component
  • Test the Amperage of Your Compressor
  • Check Contactor and Relays
  • Check Compressor /Fan Motor Current
  • Measure the Suction Line Temperature
  • Measure Suction Pressure
  • Measure Superheat/Subcool
  • Measure the Air Entering the Outdoor Coil
  • Measure Discharge Temperature
  • Measure Discharge Pressure
  • Check Refrigerant Charge
  • Evaluate the Condition and the Overall Efficiency of Equipment
  • Visually Inspect Insulation for Proper Levels and Conditioning
  • Visually Inspect Air Ducts for Correct Sizing and Leakage

Cruz Air & Electric AC Tune-Up

Are you ready for the Texas heat this Summer?

We don’t need to tell you – it’s HOT in Humble, TX. And when you need air conditioner service, you want it now – and you want it done right the first time. Cruz Air has serviced over 10,000 customers since Robert Cruz started the business in 1982. From the beginning, Robert believed ‘give the customer more than they want – and you will always have work.’ His strong work ethic and honest, dependable management style have provided thousands of customers peace of mind and satisfaction with air conditioner services and more.

Here at Cruz Air & Electric, we do a lot more than simply replace HVAC units. We are committed to maintaining your home’s HVAC unit through our Preventative Maintenance Service Agreement (PMSA) to ensure you get the most out of each unit’s life and help cut your cooling and heating costs.

Take advantage of our 26-Point Tune-Up for a fraction of the cost of our annual preventative maintenance program.  Recieve $25.00 OFF a new PMSA when you schedule your Spring Time Tune-Up before June 15th!

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Schedule your 26-Point A/C Tune-Up before June 15th and receive $25.00 OFF Cruz Air's Preventative Maintenance Service Agreement.