Today’s HVAC systems have become consistently dependable, but they require maintenance at least twice a year. Once in the spring to Beat the Heat and insure your air conditioning unit will perform when the temperatures start heating up, and once in the fall or winter before the first frost appears on your lawn. This routine maintenance is important to keep your cooling and heating system functioning properly and performing efficiently.

During a routine HVAC checkup, MidAtlantic Mechanical Repair will inspect your outdoor and indoor units, then make recommendations for repair or replacement if needed.

Our experienced HVAC service technicians begin with inspecting your outdoor HVAC unit. This includes:

Fan belts (replace if required)
Cooling fans and fan motor (lubricate if required)
Insulation on the coolant line
Freon refrigerant levels
Coil and cabinet (clean dirt and debris from inside cabinet if required)
Base pan (remove debris if blocking drain openings)
Control box, wiring and connections
Compressor and tubing

Once the outdoor HVAC unit has been inspected, cleaned and repair suggestions documented, the service technician will begin the indoor unit inspections. This includes:

Fan belt (replace if required)
Fan motor (lubricate if required)
Evaporator coil, drain pan and condensate drain lines (clean if required)
Blower assembly, housing, wheel and motor (clean if required)
Combustion blower housing (clean of lint and debris if required)
Burner assembly (clean and adjust if required)
Ignition system and safety controls (clean and adjust if required)
Control box, controls, wiring and connections
Airflow ductwork system (check for leaks)
Flue system (check for proper attachment to furnace and any signs of corrosion)
Gas leaks if a gas furnace is installed
Heat exchanger or heating elements
Air filters (clean/replace if required)

After the outdoor and indoor HVAC units have been properly serviced, the technician will check your cooling and heating system during normal operation. This includes:

Monitoring the heat pump systems and air conditioning system for the correct refrigerant charge
Measure the outdoor dry,indoor dry and indoor wet bulb temperature
Measure the temperature rise and adjust the airflow if required
Monitor the system for proper line and load volts/amps
Determine if the system is operating per the manufacturer’s specifications
Monitor gas furnace for proper line and manifold gas pressure (make adjustments if required)
Measure high and low side system pressures
Check vent system to insure proper operation
Provide recommendations for any repair or replacement needed