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Keep Your Trane Running

Servicing your HVAC system matters

Trane systems are designed for optimal efficiency and comfort. Scheduling regular preventive maintenance is the best way to ensure peak performance. Servicing your HVAC system can reveal leaks, rust or wear and tear, so check in with your local Trane dealer each season.

HVAC Maintenance Tips


The following information is for educational purposes only. Tampering with your system may void your warranty. If you have any questions about your system, call a Trane Comfort Specialist™.

When to schedule preventive maintenance

Heating & Cooling

2x Each Year

Schedule a service appointment in the spring and fall to prepare for both heating and cooling season.

Air Conditioner

1x Each Year

Service your air conditioner in late winter or early spring, before cooling season.


1x Each Year

Schedule an appointment in late summer or early fall, before heating season.

Preventive maintenance seasonal checklist

Keep your heating and cooling system running smooth by following these maintenance tips and scheduling regular service checkups before heating and cooling season. Your system will last longer and run more efficiently if cared for properly.

  • Outdoor Maintenance Spring/Fall
  • Clean any dirt, leaves and debris outside the main cabinet.
  • Inspect the base pan for blocked drain openings.
  • Inspect the coil and cabinet for any holes and leaks.
  • Inspect the fan blades while they’re in motion and stationary to determine wear and damage.
  • Inspect and clean outside of control box associated with unit.
  • Indoor Maintenance Spring/Fall
  • Clean or replace filters.
  • Check for leaks in the ductwork.
  • Check for any unusual odors when your system starts.
  • Listen for abnormal noises when your system starts.
  • Inspect your control box wiring and connections.

Montly HVAC Maintenance Tasks

Here are a few tasks that you can do regularly to help your system run efficiently all year long.

  • Inspect the return air filter every month and replace it as needed.
  • Keep vegetation 18 inches away from each side of the outdoor unit.
  • Clean debris away from the compressor to maintain proper airflow.
  • Tell your technician if you hear any unusual noises.

When to contact an HVAC professional

Even if you schedule all routine service checks and follow our preventive maintenance checklists, sometimes heating and cooling systems break down. It’s important to know what to listen and look for and what problems need immediate attention.

  • Contact a dealer
  • If your energy bills increase but your usage rate remains the same.
  • If your air conditioner or furnace can’t keep a consistent comfort level.
  • If you notice bent or damaged fins or other parts of your outdoor unit.
  • If any part of your furnace has been under water.
  • If you notice an electrical burning smell. Turn off your unit immediately.

How to make your home more energy efficient

These suggestions can help you save money on energy bills and reduce the use of fossil fuels.

  • Cooling Efficiency
  • Make sure your attic is properly ventilated.
  • Draw blinds or drapes to block the sunlight during the hottest part of the day.
  • Set your ceiling fans to rotate counter-clockwise.
  • Use your grill and cook outside as much as possible.
  • Heating Efficiency
  • Make sure your home is properly insulated so heat doesn’t escape.
  • Lock the windows to reduce the warm air escaping your home.
  • Make sure all heating vents are clear of obstruction.
  • Lower the thermostat when hosting a large number of guests.