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Keep your AC system running at peak efficiency with our tune-up and service plans.

Remembering to maintain your central or ductless mini-split air conditioning systems can be a hassle. But not remembering to do it can be expensive, since about 80% of repairs are caused by improper maintenance.

Carroll Home Services has all the AC tune-ups and service plans you need to take the hassle out of maintaining your home cooling systems.

Air Conditioning Tune-Up
Make sure that your central or ductless mini-split AC system is ready to handle the heat as soon as it hits by scheduling your annual AC tune-up every spring. Our technician will perform a15-point tune-up on your AC system to help prevent any potential problems plus keep it running smoothly and at peak efficiency all summer long.

15-Point Tune-Up

  1. Test carbon monoxide levels
  2. Clean and adjust burners and inspect heat exchanger
  3. Check thermostat operation
  4. Lubricate all motors, bearings, fans and circulator pumps
  5. Clean pilot assembly
  6. Test and adjust operation of safety and operating controls
  7. Inspect flue pipe and gas valve
  8. Clean and check blower motor (and belt if applicable)
  9. Test and tighten all wiring and connections
  10. Turn exposed dampers to heating position if marked (no
    balancing)
  11. Flush condensate drain to protect against overflow
  12. Check temperature rise
  13. Check fan speeds
  14. Check gas pressure at gas valve
  15. Inform customer of equipment condition; recommend necessary
    repairs

Air Conditioning Service Plans
Enjoy a worry-free summer with one of our AC service plan options, with everything you need to help you keep your cool and save.

Our plans are available at two pricing levels:

  • Priority Plan (ideal for newer and well-maintained systems)
  • Ultra Plan (for older systems)

See below for more details on what each plan covers.

Priority Plan

Your CHS Priority Plan coverage includes:

  • A 15-point tune-up performed once during the service agreement term during regular working hours. Contact us to schedule yours.
  • 15 percent off all repairs
  • 15 percent off diagnostic fees
  • No after-hours charge

Ultra Plan

Your CHS Ultra Plan coverage includes:

  • A 15-point tune-up will be performed once during the service agreement term during regular working hours. Contact us to schedule yours.
  • Priority Service
  • No diagnostic fee
  • No after-hours charge
  • Repair coverage for more than 35 parts in your system

Loyalty Credits

Save even more with CHS Loyalty Credits

For each consecutive year you are enrolled in our Priority or Ultra Service Plan, you earn $50 in Loyalty Credits. You can accumulate up to $700 in credits and apply them to equipment purchased from us, including:

  • Boiler (up to $350)
  • Furnace (up to $350)
  • Central AC system (up to $350)
  • Heat pump (up to $350)

Priority Plan

Your CHS Priority Plan coverage includes:

  • A 15-point tune-up performed once during the service agreement
    term during regular working hours. Contact
    us     to schedule yours.
  • 15 percent off all repairs
  • 15 percent off diagnostic fees
  • No after-hours charge

15-Point Tune-Up

  1. Test carbon monoxide levels
  2. Clean and adjust burners and inspect heat exchanger
  3. Check thermostat operation
  4. Lubricate all motors, bearings, fans and circulator pumps
  5. Clean pilot assembly
  6. Test and adjust operation of safety and operating controls
  7. Inspect flue pipe and gas valve
  8. Clean and check blower motor (and belt if applicable)
  9. Test and tighten all wiring and connections
  10. Turn exposed dampers to heating position if marked (no
    balancing)
  11. Flush condensate drain to protect against overflow
  12. Check temperature rise
  13. Check fan speeds
  14. Check gas pressure at gas valve
  15. Inform customer of equipment condition; recommend necessary
    repairs

Ultra Plan

Your CHS Ultra Plan coverage includes:

  • A 15-point tune-up will be performed once during the service
    agreement term during regular working hours. Contact
    us     to schedule yours.
  • Priority Service
  • No diagnostic fee
  • No after-hours charge
  • Repair coverage for more than 35 parts in your system

System Parts

  1. Blower belt
  2. Blower motor (1/3-3/4 hp; psc only)
  3. Blower motor pulley
  4. Circulator coupling (1 zone)
  5. Circulator motor
  6. Circulator relay
  7. Combination control
  8. Draft inducer motor
  9. Emergency switch
  10. Fan and limit control
  11. Flue pipe
  12. Gas valve
  13. Glow ignitors
  14. High limit control
  15. ICM control board
  16. In-line draft diverters
  17. Low limit control
  18. Low voltage transformer
  19. Pilot assembly
  20. Pressure switch
  21. Pressuretrol
  22. Primary control
  23. Reverse aquastat
  24. Rollout switch
  25. Single aquastat
  26. Spill switch
  27. Thermocouples
  28. Thermostat (nonprogrammable)
  29. Triple aquastat

Gas Burner Parts

  1. Burner orifice
  2. Gas valve orifice
  3. Pilot tube
  4. Sensor
  5. Sensor ignition module

Other parts

  1. Altitude and temperature gauge
  2. Thermostat sub base

Services

  1. Carbon monoxide testing

15-Point Tune-Up

  1. Test carbon monoxide levels
  2. Clean and adjust burners and inspect heat exchanger
  3. Check thermostat operation
  4. Lubricate all motors, bearings, fans and circulator pumps
  5. Clean pilot assembly
  6. Test and adjust operation of safety and operating controls
  7. Inspect flue pipe and gas valve
  8. Clean and check blower motor (and belt if applicable)
  9. Test and tighten all wiring and connections
  10. Turn exposed dampers to heating position if marked (no
    balancing)
  11. Flush condensate drain to protect against overflow
  12. Check temperature rise
  13. Check fan speeds
  14. Check gas pressure at gas valve
  15. Inform customer of equipment condition; recommend necessary
    repairs

For everything you need in home cooling, trust the pros at Carroll Home Services – keeping Maryland homes warm for more than a century! Contact us to get started today!