09/28/2026
Common Gas Furnace Problems
Even the most reliable furnace can run into trouble over time. Below are some of the most frequent furnace issues that may require professional furnace repair:
Furnace Blowing Cold Air
Faulty Ignition System – A worn igniter or dirty pilot assembly can prevent the burners from lighting properly.
Dirty Flame Sensor – A sensor covered in residue can fail to detect a flame, which causes the system to shut off for safety.
Thermostat Issues – Incorrect settings, low batteries, or wiring faults can keep your furnace from heating the home.
Furnace Won’t Turn On
Tripped Circuit Breaker – Power surges or an overloaded circuit can cause the breaker to shut off power to your furnace.
Blower Motor Failure – A faulty capacitor or burned-out motor can stop the system from pushing heated air through your vents.
Clogged Air Filter – When airflow is blocked by a dirty filter, the furnace may overheat and shut off automatically for protection.
Strange Noises or Smells
Banging or Rattling – These sounds often come from loose parts, ignition delays, or a failing blower.
Burning Smell – Overheating wires, dusty components, or worn-out parts can cause a burning smell.
Gas Smell – A gas leak is serious—turn off your furnace, leave the area, and call a technician right away.
Furnace repair isn’t a DIY job—especially with gas systems. Trying to fix one without training can lead to fire risk, gas leaks, or even carbon monoxide exposure. Trevor Carifelle is equipped to safely diagnose and repair any issue your furnace may have.
Call Nak'azdli Construction to book ahead before the cold weather arrives.
Once we diagnose your furnace, parts take time to arrive.
So please don't delay if your having trouble with your furnace.
Call 250-996-0489
leave your name, address, box number or email.
We will get back to in which numbers call first.
