Preseason Check-up & Maintenance
One of the best ways to maintain efficiency of your heating and cooling system is to perform regular maintenance on your air conditioner and furnace. Allens Service has been providing expert furnace maintenance and repair services to Oakland county residents for more than 10 years. Our family of friendly, professional technicians are ready for you when you need them most. We take the time to listen to your concerns and provide information and guidance on maintaining the comfort and energy efficiency of your home.
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
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 (not included)
Inspect control box, associated controls, wiring and connections
Clean or replace air filters, and humidifier pads (replacement not included)
Inspect conditioned airflow system (ductwork)-check for leaks
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
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
Check vent system for proper operation