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Mullins Mechanical HVAC
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A/C & Heating Services

Mullins Mechanical specializes in servicing and installing all makes and models of HVAC systems. Our certified technicians will diagnose your problem and offer you a range of solutions. We also offer 100% financing through Synchrony Financial.
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Cooling Unit Start-up
Our 20-point check and start of the air conditioner in the spring includes the following:
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  1. Lubricate blower and motor bearings
  2. Check belt condition and tension
  3. Install clean air filters (to be provided by customer)
  4. Check cooling coil
  5. Check operating pressures
  6. Take temperature drop across coil
  7. Check Freon charge
  8. Check thermostat and controls
  9. Check condenser efficiency
  10. Set dampers and check fan speed for summer operation
  11. Check for proper oil level
  12. Check safety controls
  13. Check superheat setting
  14. Check voltage and amperage draw
  15. Check for correct rotation
  16. Check expansion valve
  17. Check contactors and starters
  18. Check start and run capacitors
  19. Check compressor efficiency
  20. Check condensate drain
Heating Unit Start-up
Our 15-point check and changeover to heating in the fall includes the following:
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  1. Lubricate blower and motor bearings
  2. Check belt condition and tension
  3. Install clean air filters (to be provided by customer)
  4. Check operation of controls & clean contact points
  5. Check to make sure furnace flue is drawing properly
  6. Adjust burner for proper flame, if necessary
  7. Check condition of pilot and clean, if necessary
  8. Check fan and limit control
  9. Check pilot safety
  10. Check heat anticipator
  11. Check burner operation
  12. Check heat relay
  13. Check safety controls
  14. Check temperature rise through furnace
  15. ​Check system for gas leaks

Don't see your service need listed? Contact Mullins Mechanical today to speak to our trained office personnel and technicians for a full list of services.
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Proudly serving the Dallas/Fort Worth area for over 35 years!

License # TACLA008949E

Mullins Mechanical Air Conditioning & Heating, Air Conditioning & Heating Contractors  Residential, Desoto, TX

Contact Us

24/7/365
972-227-8657
service@mullinsmechanical.com
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  • Home
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