HVAC Maintenance in newport news, VA

HVAC System — Mini-Split Systems in Hampton, VA
Precision Heating and Air offers either a one-time tune-up or a planned maintenance agreement (PMA). The PMA program is a comprehensive plan to perform preventive maintenance and tuning procedures. The purpose of the PMA program is to keep your unit at peak performance, prevent surprise repair costs, and to avoid interruption of service due to system failures. Some of the tune-up procedures, depending on the system, are listed below:

Tune-up Procedures

  • Check Thermostat for Proper Operation
  • Replace Air Filters
  • Check Fan Motor Voltage & Amperage
  • Check Blower Voltage & Amperage
  • Check Compressor Voltage & Amperage
  • Check/Clean Condenser Coil
  • Check/Clean Evaporator Coil
  • Check Refrigerant Charge
  • Check Reversing Valve Operation
  • Inspect/Replace Blower Belt
  • Remove & Clean Burner Bars, if Removable
  • Inspect Wiring for Cuts or Fraying
  • Inspect Fan Blades for Cracks and Balance
  • Inspect Motor Mounts for Security and Tighten
  • Perform Visual Refrigerant Leak Check
  • Tighten Schrader Cores
  • Tighten All Electrical Connections
  • Inspect Visible Line Set for Crimping & Chaffing
  • Check Suction Line Installation
  • Check Disconnect for Signs of Overheating
  • Inspect Evaporator Drain Pan for Leaks
  • Clean Drain Pan and Add Algae Tablets
  • Check Relays for Proper Operation
  • Check Delay Timer for Proper Operation
  • Check Drain Lines...Verify Drainage
  • Check Heat Exchanger for Holes or Cracks
  • Verify Hot Surface Igniter Operation
  • Clean Flame Sensor
  • Check for Proper Defrost Operation
  • Verify Pressure Switch Operation
  • Check and Set Thermostat Heat Anticipator
  • Check Fan/Limit Control Settings/Operation
  • Check for Combustibles near Furnace
  • Check Contractors for burning & pitting
  • Verify Proper Inducer Motor Operation
  • Lube Fan & Blower Motors (If Lubed Type)