AC Repair
Diagnosis and repair of cooling problems, including failed capacitors, contactors, blower motors, and refrigerant leaks.
Keep your building comfortable year-round
Northline repairs, services, and maintains air conditioners, furnaces, and heat pumps with clear diagnostics and tidy work.
Call for serviceView services+1 424-233-1421AC RepairHeat Pumps
Core HVAC services
Heating Service
Furnace and heat pump service, from ignition and flame sensor problems to reversing valve checks.
HVAC Maintenance
Seasonal tune-ups covering coils, filters, electrical connections, and airflow.
A service team built around diagnostics
We start with measurements: static pressure, temperature split, amp draw, and refrigerant readings. Repairs follow what the system shows us.
Northline works on central air, split systems, furnaces, and heat pumps for homeowners and small businesses.
System components
Thermostat
Sends the call for heating or cooling.
Condenser
Outdoor unit that releases heat from the refrigerant.
Evaporator Coil
Indoor coil that absorbs heat and moisture from the air.
Air Handler
Indoor blower that moves air through the home.
Filter
Catches dust and protects the coil and blower.
Ductwork
Carries conditioned air to each room.
Maintenance checklist
- Replace or clean air filters
- Inspect evaporator and condenser coils
- Check refrigerant lines and connections
- Test capacitors and electrical connections
- Clear the condensate drain
- Verify thermostat calibration and airflow
Need HVAC service?
Call Northline to schedule a repair or seasonal tune-up.
+1 424-233-1421- Monday – Sunday:
9:00 AM – 6:00 PM - [email protected]
- 1499 W 1st St, San Pedro, CA 90732