HVAC emergencies do not respect business hours. The coldest nights of a Toronto January are exactly when aging furnaces give up. Heat waves that drive your AC hardest are when compressors fail. Knowing what to expect from 24-hour HVAC service before you need it makes a stressful situation much more manageable.
What Qualifies as a 24-Hour HVAC Emergency?
Not every HVAC issue needs a midnight call. Knowing which situations are true emergencies saves you money and gets the right priority response.
| Issue | Emergency? | Reason |
|---|---|---|
| No heat, outdoor temp below 5°C | Yes | Health and pipe-freezing risk |
| Gas smell inside home | Yes - call Enbridge first (1-866-763-5427) | Safety risk |
| Carbon monoxide alarm | Yes - evacuate first | Life safety |
| Furnace red-tagged | Yes | Gas shut off by Enbridge |
| AC failure during Toronto heat alert | Yes | Health risk for vulnerable people |
| Uneven heating between rooms | No | Schedule next-day |
| Unusual noise from furnace | No | Monitor and book soon |
| Higher gas bill than usual | No | Schedule at convenience |
What Happens When You Call EcoFrost for Emergency HVAC
Call (416) 835-4775 - answered 24/7
A live EcoFrost team member answers your call - not a call centre. We ask about your system, the symptoms, and your address to dispatch the closest available technician.
Technician dispatched with ETA
We provide a realistic arrival window based on current call volume and your location. In Toronto and Mississauga, most emergency calls see a technician within 60 to 90 minutes.
Diagnosis and transparent quote on arrival
Our technician diagnoses the problem, explains the cause in plain language, and provides a written quote before any work begins. No surprise charges.
Repair or temporary solution
Most repairs are completed same-visit. If a part is unavailable, we implement a safe temporary solution and return within 24 hours with the required component.
Follow-up and documentation
You receive a full service report of what was found, what was repaired, and any recommendations for future maintenance. No vague invoices.
Emergency HVAC Pricing in Toronto
EcoFrost charges a flat diagnostic fee that applies toward any repair. There are no overtime surcharges, no after-hours premiums, and no weekend rates. The repair cost depends on what is found, but our technicians provide a complete price before starting any work.
Most Common Emergency HVAC Repairs in Toronto
- Ignitor failure - most common furnace no-heat call, usually fixed in under an hour
- Pressure switch fault - often caused by a blocked condensate drain
- Flame sensor dirty or failed - prevents furnace from staying lit
- Thermostat failure or dead batteries - always check this first before calling
- Capacitor failure in AC - most common summer emergency, usually same-visit repair
- Refrigerant leak in AC - can cause complete cooling loss, requires certified tech
- Draft motor failure - stops furnace from venting, safety shutdown triggered
What to Do Before the Technician Arrives
- Check the thermostat: set to HEAT, temperature set above room temp, new batteries if needed
- Check the furnace switch on the wall near the unit - must be ON
- Check your electrical panel for a tripped breaker labeled "furnace" or "HVAC"
- Check the furnace filter - a completely blocked filter can trigger safety shutdown
- For gas smell: do NOT touch switches, leave the home, call Enbridge at 1-866-763-5427
Ready to take the next step?
Call Now for 24/7 Emergency Repair?Frequently Asked Questions
EcoFrost Heating & Cooling
Toronto's Trusted HVAC Experts Since 2015
Our certified HVAC technicians have served 5,000+ Toronto-area homes. We write about heating, cooling, and air quality from real field experience not marketing copy. Learn about us →




