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24/7 · EmergencyNo heat at 2 AM? We pick up.
Emergency HVAC service costs the same here as a weekday visit: the diagnostic is $90–$150 day, night or holiday, typical emergency repairs run $150–$800, and there's no overtime, weekend or holiday surcharge. A person answers (647) 801-1252 around the clock; gas smells and CO alarms go to Enbridge and 911 first.
An HVAC emergency is one of four things: no heat with the temperature below freezing, water from a tank or furnace flooding a basement, an AC failure in a heat warning with someone vulnerable in the house, or any smell of gas or a sounding carbon monoxide alarm. The last two are not our call first — leave the house, ring Enbridge Gas at 1-866-763-5427 for gas or 911 for a CO alarm with symptoms, and call us from outside once the utility has made it safe.
The failures cluster. The first −15°C night after a mild December is when every flame sensor and igniter that was marginal in October gives up at once across Burlington, Oakville and Hamilton — the queue is longest exactly when you need it shortest, which is why no-heat calls jump it. Lake-effect snow adds a second wave of shutdowns as drifts bury sidewall vents.
Before a truck rolls, we try to end the emergency on the phone: thermostat batteries, the furnace service switch someone mistook for a light switch, a filter clogged enough to trip the high limit, a snow-buried vent, a tripped AC breaker. Any of those fixes it with no visit and no fee. If a technician is needed, you get the honest arrival window for that night — not a promise invented to win the call.
The visit itself is a normal repair at normal rates: the $90–$150 diagnostic folded into the work if you proceed, most emergency repairs at $150–$800, a blower motor at $500–$1,500 or a control board at $500–$1,200 quoted in writing before work starts — at 2 AM the same as at 2 PM. Trucks carry igniters, flame sensors, capacitors, pressure switches and thermocouples for the major brands, so a first-visit fix is the usual outcome.
Call the emergency line when
- No heat, it's below freezing, and the indoor temperature is falling
- Water is running from the water heater or furnace and the shutoff hasn't stopped it
- The AC is down in a heat warning and someone vulnerable is in the house
- You smell gas — leave first, call Enbridge from outside, then us
- The CO alarm sounds — get out, call 911 if anyone has symptoms, then call us
How it works
Gas and CO first, then no-heat and active leaks, then everything else. We walk you through the checks that end a surprising share of calls without a truck.
No-heat and leak calls take the next available technician across Burlington, Oakville, Hamilton and the GTA. Diagnostic $90–$150, no after-hours premium on anything.
The fault named, the price in writing, the part fitted from truck stock where it can be — and a note on what to watch next. Payment after the heat is back. Contact us.
Common questions
Is emergency HVAC service more expensive?
Not from us. Most GTA companies charge an after-hours dispatch fee of $150–$300 against $80–$150 in business hours, and some add a labour premium on top. Our diagnostic stays $90–$150 around the clock and repair rates don't change after dark. Does emergency service cost more shows the market range.
What should I do if I smell gas?
Don't flip switches, light anything or use a phone inside. Get everyone out, leave the door open behind you, and call Enbridge Gas at 1-866-763-5427 from outside — 911 as well if the smell is strong or you hear hissing. Enbridge attends around the clock and makes the site safe; we handle the repair afterwards. What to do if you smell gas.
My furnace died overnight — will the pipes freeze?
Not for several hours in most houses. A brick Westdale semi or a 1960s Aldershot bungalow with a full basement holds above freezing through a −15°C night far longer than a 2000s open-plan build in Binbrook. Open cabinet doors on exterior-wall plumbing and trickle the far tap. How to keep pipes from freezing has the checklist.
Do you cover my area at night?
Yes — the 24/7 line covers the same territory as day service. Burlington, Oakville and Hamilton are the closest runs from the North Service Road shop; Milton, Mississauga, Toronto and the rest of the GTA take longer, and we tell you which you're getting when you call. Emergency HVAC in Hamilton covers the lower city and Mountain.
Is a cracked heat exchanger an emergency?
Yes — that furnace should stay off until it's replaced, because combustion gases can mix into the supply air. A technician confirms it with a combustion analyzer and inspection, not a guess over the phone. The repair runs $1,500–$3,000 and shows up on furnaces 15+ years old, so the money usually goes to a new unit instead. The CO alarm the Hawkins-Gignac Act requires near bedrooms is the early warning — test it.