Emergency Furnace Repair
London Ontario — 24/7
No heat in a London Ontario winter? Call (647) 550-4220 right now. A TSSA certified technician responds 24/7 across all London Ontario — no overtime charges, no waiting until morning.
24/7 emergency furnace repair across all London Ontario neighbourhoods. TSSA certified gas technician. Parts stocked on every service truck for all major furnace brands. No overtime charges — same rate day or night.
⚠️ Gas Smell or Carbon Monoxide Detector Alarming? Read This First.
If you smell gas: Leave the house immediately without operating any light switches or appliances. Call Enbridge Gas Emergency at 1-866-763-5427 from outside your home. Do not re-enter until Enbridge has cleared the situation. Once cleared, call Hawana at (647) 550-4220 for furnace repair.
If your CO detector is alarming: This is a fire department emergency. Leave the house and call 911. Carbon monoxide is odourless — take CO alarms seriously every time. Once emergency services have cleared the property, call Hawana for furnace diagnosis.
If your furnace has simply stopped working (no gas smell, no CO alarm): You are in the right place. Call Hawana at (647) 550-4220 for 24/7 emergency furnace repair.
From Your Emergency Call to Heat Restored — Tonight
Exactly what you can expect from Hawana’s 24/7 emergency furnace response in London Ontario.
Live Technician Answers
Not a call centre. Not voicemail. A TSSA certified Hawana technician answers. Confirms your London Ontario neighbourhood and gives you a real arrival window — tonight.
Technician Arrives
Fully stocked service truck arrives. Common igniter, flame sensor, gas valve, pressure switch, control board, and blower motor parts stocked for all major brands.
Full Diagnosis + Written Quote
Complete furnace inspection. Error code read and confirmed. Exact fault identified. Written repair cost provided. You approve before we start.
Repair Completed
Most emergency furnace failures are repaired same visit with parts on the truck. Full heating cycle verified before the technician leaves.
Heat Restored
Your London Ontario home is warm again — tonight. No overnight wait. No “first available morning slot.” That’s the Hawana emergency standard.
Common Emergency Furnace Failures — London Ontario
Most furnace emergencies in London Ontario are caused by a small number of components. Here is what Hawana finds and fixes most often.
Failed Igniter
The most common furnace failure in London Ontario. The igniter glows orange-hot to light the gas burner. When it fails, the furnace attempts to start 1 to 3 times, then locks out. You may hear clicking but get no heat. Error code will show ignition lockout.
Under 1 hour. Igniters stocked for Carrier, Lennox, Trane, Goodman, Rheem, York, and most other brands.
Dirty or Failed Flame Sensor
The flame sensor verifies the burner ignited. A dirty sensor causes the furnace to light, run for 2 to 5 seconds, then shut off the gas and lock out. This repeats until full lockout. Carbon buildup on the sensor is the most common cause — often cleanable rather than replaceable.
30 to 60 minutes. Cleaning or replacement. Furnace running again same visit.
Pressure Switch Fault
Pressure switches verify the inducer motor is creating proper draft before allowing ignition. Common causes of pressure switch faults: a blocked condensate drain on high-efficiency furnaces, a failed inducer motor, or a cracked pressure switch hose. Error code will show pressure fault.
Is the condensate drain line clogged? A clear drain is sometimes a DIY fix. For anything else, call (647) 550-4220.
High-Limit Switch Tripped
The high-limit safety switch shuts the furnace down if it overheats. The most common cause is a clogged air filter blocking airflow, causing heat to build up in the heat exchanger. Replace your filter now — if the furnace still won’t stay on, there may be a failed limit switch or airflow issue.
Pull and replace the air filter. Let the furnace cool 15 minutes. Try restarting. If it shuts off again, call Hawana.
Control Board Failure
The control board is the brain of the furnace — it manages ignition sequencing, safety monitoring, and error codes. A failed board may cause no response at all, random lockouts, or specific error codes indicating board faults. Control boards stocked for all major brands on Hawana service trucks.
The blinking LED on the control board tells you exactly what failed. Count the blinks, check the chart on the furnace door, and tell Hawana when you call.
Cracked Heat Exchanger (Safety Issue)
A cracked heat exchanger is a carbon monoxide risk — combustion gases can mix with circulated air. Symptoms include the furnace running briefly then shutting down, an unusual smell when the furnace runs, or CO detector alerts. If cracked heat exchanger is suspected or diagnosed, the furnace must be shut down. Hawana inspects heat exchangers on every emergency call.
Ensure working CO detectors are installed on every floor. A cracked heat exchanger requires immediate professional diagnosis.
Emergency Furnace Repair Cost London Ontario 2026
No overtime surcharge. Written quote after diagnosis — before any work begins. Same pricing at 2am as at 2pm.
Diagnosis & Minor Repairs
Common Component Repairs
Major Repairs & Replacement
All prices in CAD, include parts and labour. No overtime surcharge. Written quote before work begins.
Quick Checks to Try Before Calling Hawana
Some furnace emergencies are simple to resolve. Check these first — you may restore heat without a service call.
Thermostat Settings
Set to HEAT, fan AUTO, temperature above current room temp. Check batteries. Try replacing them — a dead thermostat battery causes no-heat calls more often than you’d think.
Power Switch & Breaker
Find the furnace power switch (looks like a wall light switch on or near the furnace). Should be ON. Check the furnace breaker in the electrical panel — reset if tripped.
Air Filter
Pull and check the filter. If it’s grey and clogged, replace it now. A clogged filter trips the high-limit switch and shuts the furnace down. Allow 15 minutes, then try restarting.
Error Code
Find the small sight window on the furnace. Note the blinking LED pattern and check the code chart inside the furnace door. Write the code down.
Condensate Drain (High-Efficiency)
If you have a 90%+ efficiency furnace, check the white PVC condensate drain line. If clogged with water, the pressure switch float shuts the furnace off. Clear the blockage if accessible.
Call Hawana 24/7
Call (647) 550-4220. TSSA certified technician responds tonight. No overtime charge. Tell us the error code if you found one.
Abdullah Ghzail — Lead HVAC Technician & Founder
When your furnace stops at 11pm in January, Abdullah picks up the phone. He has responded to hundreds of emergency furnace calls across London Ontario — TSSA certified gas technician, 10+ years experience, common parts stocked on every service truck for all major brands. He diagnoses the root cause, not just the obvious symptom, and is honest about when repair is the right call versus when a 25-year-old furnace should be replaced. No pressure — your family’s warmth is the priority tonight.
Emergency Furnace Repair Reviews — London Ontario
5.0 stars · 139 Google reviews · Read all reviews ↗
“Furnace stopped at 10:30pm on one of the coldest nights of the year in our Westmount home. Called Hawana, technician arrived by midnight. Failed igniter replaced, heat restored by 12:45am. No overtime charge. When you have young kids and no heat in January, this kind of response is everything.”
“Called Hawana at 7am after waking up to a cold house in Byron. Technician arrived by 9am on a Sunday. Flame sensor had failed — cleaned and confirmed in under an hour. Same rate as a weekday. Honest, efficient, no upsell. This is the company you want on speed dial.”
“Our furnace threw a pressure switch error during a cold snap. Hawana came out same morning — turned out to be a clogged condensate drain on our 96% efficiency Lennox. Cleared the blockage, tested the system, done in 45 minutes. Reasonable price, no drama.”
Emergency Furnace Repair London Ontario — FAQ
Does Hawana offer 24/7 emergency furnace repair in London Ontario?
Why is my furnace not turning on in London Ontario?
Why is my furnace blowing cold air in London Ontario?
How much does emergency furnace repair cost in London Ontario?
Is a cracked heat exchanger an emergency?
What should I do if I smell gas from my furnace in London Ontario?
What do furnace error codes mean in London Ontario?
What neighbourhoods does Hawana serve for emergency furnace repair?
Should I repair or replace my furnace in an emergency?
What is the Enbridge Gas emergency number in London Ontario?
Emergency Furnace Repair Areas — London Ontario
24/7 emergency response across every London Ontario neighbourhood and surrounding communities.
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No Heat in London Ontario? Call Hawana Right Now.
24/7 emergency response. No overtime charges. TSSA certified. Parts on the truck. Heat restored tonight.
Written quote · 30-day guarantee · TSSA certified · No overtime charges
