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DISCLAIMER

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™.

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Check out our DIY resources or contact a Trane Comfort Specialist™.

OIL FURNACE MAINTENANCE TIPS

KEEP YOUR OIL FURNACE RUNNING SMOOTH WITH THESE PRO AND DIY SERVICE TIPS

Your oil furnace will keep you warm and cozy for years to come if you care for it properly and have it serviced regularly by a pro.
DISCLAIMER

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™.

OIL FURNACE MAINTENANCE SCHEDULE

Oil-burning furnaces need more maintenance than gas furnaces due to soot and grime build-up that comes naturally in an oil-powered model. Your oil furnace should be cleaned and checked twice each heating season and serviced by a professional each fall.

DIY OIL FURNACE INSPECTION CHECKLIST

Here are 3 things you can do between professional inspection appointments to make sure your unit is running smoothly. However, if you’re not comfortable working on or near an oil furnace motor, you can always call your Trane Comfort Specialist™ and reduce the risk of error or damage to your unit.

1. LOOK
Look for signs of black soot around your furnace. Soot outside the furnace itself could mean that the unit is burning more than oil. You should also look at the smoke coming from your chimney while the furnace is burning; black smoke could indicate that the oil is not being burned completely.

2. LISTEN
Listen for any unusual vibrating or rattling sounds coming from the furnace blower. If you notice any of these signs, contact your local Trane Comfort Specialist™.

3. CHANGE
Remember to change the air filter in your furnace as often as recommended by your operator's manual, or more frequently if you own pets.

OIL FURNACE SERVICE APPOINTMENT CHECKLIST

As part of your oil furnace maintenance appointment, you can expect your Trane Comfort Specialist™ to complete the same tasks as a during a gas furnace inspection, but also include these additional steps. Because an oil furance’s working parts are connected to combustible fuels, we recommend letting a trained HVAC professional handle these inspections to avoid any chance of damage.

  • Inspect oil burner.
  • Clean heat exchanger.
  • Inspect and replace oil nozzle.
  • Replace oil filter.
  • Inspect flame sensor.
  • Clean burner fan.
  • Check vacuum readings.
  • Oil motor if applicable.
  • Check fuel lines for leaks.

HOW TO CLEAN YOUR OIL FURNACE

  1. Turn off your furnace, including the gas line, and wait for it to cool.
  2. Then, using a vacuum with a long hose attachment, clean dust from around the furnace. Removing this dust can help reduce allergens in the air and prevent burned dust particles from circulating through the house.
  3. Vacuum out the burner and blower cavities.
  4. Blow dust off the pilot. Use a straw to direct air to the exact spot and make sure pilot is off.

CHANGING YOUR OIL FURNACE FILTER

CLEAN OR REPLACE YOUR OIL FILTER REGULARLY

Taking care of the filter is one of the most important things you can do for your oil furnace. As the system circulates air, it filters the air in your home and extracts excess moisture to help control humidity.

HOW OFTEN SHOULD I CHANGE MY AIR FILTER?

For best performance, we recommend cleaning or changing your oil filter at least twice a year. Clean or replace your filter once before you first use your heater in the fall or winter and then again in the middle of the heating season.

HOW DO I CHANGE MY OIL FILTER?

First, find out where the filter is located in your system and then follow these steps. If you have any questions, contact your local Trane Dealer.

  • Turn off your oil supply and electricity.
  • Take off the filter base.
  • Clean the filter canister base.
  • Insert new filter. Make sure the O-ring that seals the connection between the top and base is secure.
  • Remove excess air from filter. Loosen bleeder screw.
  • Turn on oil supply. Check for air bubbles or gaps.
  • Turn on power to your oil furnace.

OIL FURNACE PROBLEMS?

OIL FURNACE TROUBLESHOOTING TIPS

Here a few common problems and quick fixes to try if your furnace isn’t working properly.

Problem: Oil furnace won't turn on.
Solution: Check that your thermostat is set to heat (especially if it’s the first time using it).
Problem: Low air flow.
Solution: Check your filters. They may be clogged and need to be replaced or cleaned.
Problem: Noisy oil furnace.
Solution: Check for a loose access panel or unlubricated belt.

For even more furnace troubleshooting tips, check out our Oil furnace troubleshooting guide and these answers to common heating problems.

PROACTIVE TIPS FOR PREVENTING POOR OIL FURNACE PERFORMANCE

HOW TO EXTEND THE LIFE OF YOUR OIL FURNACE

  • Schedule routine maintenance checks.
  • Change your filters regularly.
  • Clean the air ducts every two years.
  • Install a programmable thermostat. A set heating schedule will save energy and reduce wear over time.

OIL FURNACE OWNER'S GUIDE

DOWNLOAD OUR FURNACE USER GUIDES

For specific tips and details about how to maintain and service your particular furnace, visit our User Guides page. You’ll find details and helpful information for all our furnace models (XC95m, XC80, XV80, XV80 Oil, XP80 Oil).

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