No Heat? Emergency Furnace Repair Guide for Ontario Winters
What to do when your furnace stops working in Ontario's freezing temperatures - immediate steps and 24/7 emergency service
When your furnace stops working during an Ontario winter, it's more than an inconvenience - it's an emergency. With temperatures regularly dropping below -20°C, a non-functioning furnace can quickly become dangerous. This guide provides immediate steps to take, troubleshooting tips, and information about our 24/7 emergency furnace repair service across Ontario.
Immediate Steps When You Have No Heat
Check Thermostat Settings
Ensure thermostat is set to "Heat" and temperature is set 5° above current room temperature
Verify Power Supply
Check furnace power switch and circuit breaker. Reset if tripped
Inspect Filter
Dirty filters can cause shutdown. Replace if clogged
Check Gas Supply
Ensure gas valve is open. Check other gas appliances
Safety First: Carbon Monoxide Awareness
If you smell gas, hear hissing sounds, or your carbon monoxide detector is alarming:
- EVACUATE immediately and call 911 from outside
- Do not operate light switches or electrical devices
- Do not attempt to relight pilot lights if you smell gas
- Wait for emergency services to declare the area safe
Common No-Heat Issues & Solutions
Furnace Not Igniting
Symptoms: No heat, blower runs but no warm air
Possible Causes: Ignition failure, gas valve issue, flame sensor
DIY Check: Ensure gas is on, check pilot light (if applicable)
Professional Needed: Yes - gas and ignition issues require certified technician
Blower Not Working
Symptoms: No air circulation, furnace may overheat and shut down
Possible Causes: Blower motor failure, capacitor issues, control board
DIY Check: Check thermostat fan setting, circuit breaker
Professional Needed: Yes - electrical components require expertise
Frequent Cycling On/Off
Symptoms: Furnace starts then stops repeatedly
Possible Causes: Overheating, flame sensor, limit switch issues
DIY Check: Check air filter, ensure vents are not blocked
Professional Needed: URGENT - can indicate serious safety issues
When to Call for Emergency Service
Indoor Temp Below 15°C
Dangerous for children, elderly, or those with health conditions
No Heat for 2+ Hours
In freezing temperatures, pipes can start freezing within hours
Outdoor Temp Below -10°C
Emergency response needed to prevent frozen pipes and damage
Vulnerable Household Members
Infants, elderly, or those with medical conditions need immediate heat
Priority Service: Hawana HVAC prioritizes no-heat emergencies during winter months. When you call our emergency service line, we dispatch technicians based on temperature urgency and household vulnerability.
Our Emergency Service Coverage Areas
24/7 Emergency Furnace Repair Across Ontario
We provide immediate emergency service to these areas and surrounding regions
London & Area
St. Thomas
Woodstock
Kitchener
Brantford
Ingersoll
Full coverage: We serve all 45 cities in our service area with emergency repair. View complete service area list
Emergency Response Times
Priority Emergency
No heat with indoor temp below 15°C
After-hours and weekend service
Standard Emergency
No heat with indoor temp above 15°C
Same-day service guaranteed
Non-Emergency
Heat working but issues present
Next available appointment
Winter Preparedness Tip: Don't wait for complete failure. If your furnace is making unusual noises, cycling frequently, or not maintaining temperature, schedule service before it becomes an emergency. Regular maintenance can prevent 80% of winter breakdowns.
What to Expect During Emergency Service
- Phone Assessment: We'll ask key questions to prepare the right parts and equipment
- ETA Provided: You'll receive a confirmed arrival window
- Diagnosis: Technician will identify the issue and provide repair options
- Approval: We explain costs and get your approval before any work
- Repair: Certified technician performs the necessary repairs
- Testing: System is tested and safety checks performed
- Documentation: You receive detailed invoice and warranty information
More Emergency & Maintenance Resources
Need Emergency Furnace Repair Right Now?
Don't risk frozen pipes or dangerous temperatures. Call our 24/7 emergency line for immediate furnace repair across Ontario.
24/7 Emergency Service • Same-Day Repairs • TSSA Certified • Serving All Ontario
