Here are a few common furnace problems, and the possible steps you can take to fix them. If the gas furnace troubleshooting tips here don't resolve the issue, call your local Trane Comfort Specialist™. A certified technician will come to your home to identify and fix the problem.
Remember: Always use caution when dealing with gas-powered appliances. If you smell gas, or otherwise suspect a gas leak, leave the house immediately and call your gas company's emergency number.