AccuTech Mechanical Services

Heating and AC Repair and Maintenance

627 Hampton Avenue

Southampton, PA, 18966

215-822-9115

HVAC PREVENTATIVE MAINTENANCE CHECKLIST

AccuTech Mechanical Services provide priority service for our customers who have an annual maintenance/service agreement. Bi-annual preventative maintenance will ensure that your system runs as efficiently and effectively as possible. AccuTech Mechanical Services will perform the following tasks, depending on the unit:

OUTDOOR UNITS

  • Inspect unit for proper refrigerant level and adjust if necessary

  • Clean dirt, leaves and debris from inside cabinet

  • Inspect base pan for restricted drain openings - remove obstructions as necessary

  • Inspect coil and cabinet - clean as needed

  • Inspect fan motor and fan blades for wear and damage - on older models lubricate as needed

  • Inspect control box, associated controls/accessories, wiring and connections. Controls may include contactors, relays, circuit boards, capacitors, sump heat and other accessories. All control box and electrical parts should be checked for wear or damage.

  • Inspect compressor and associated tubing for damage

INDOOR UNITS

  • Inspect and clean blower assembly (includes blower housing, blower wheel and motor)

  • On older models, lubricate motor and inspect and replace fan belt if needed

  • Check combustion blower housing for lint and debris and clean as necessary

  • Inspect evaporator coil, drain pan and condensate drain lines. Clean as needed

  • Inspect for gas leaks in gas furnaces

  • Inspect burner assembly - clean and adjust as needed

  • Inspect ignition system and safety controls - clean and adjust as needed

  • Inspect heat exchanger or heating elements

  • Inspect flue system - check for proper attachment to the furnace, any dislocated sections, and for signs of corrosion. Replace if necessary.

  • Inspect control box, associated controls, wiring and connections

  • Clean or replace air filters

  • Inspect conditioned airflow system (ductwork) - check for leaks

WHILE YOUR SYSTEM IS OPERATING

  • Monitor system starting characteristics and capabilities

  • Listen for abnormal noise

  • Search for source of unusual odors

  • Monitor air conditioning and heat pump systems for correct refrigerant charge

  • Measure outdoor dry bulb temperature

  • Measure indoor dry and wet bulb temperature

  • Measure high and low side system pressures

  • Monitor gas furnace for correct line and manifold gas pressure - make adjustments as needed

  • Measure temperature rise and adjust airflow as needed

  • Check vent system for proper operation

  • Monitor system for correct line and load volts/amps

  • Monitor system operation per manufacturer's specifications

  • Provide system operation report and recommend repairs or replacement as necessary