Emergency HVAC repair in Toronto & the GTA.
No heat, no cooling, no hot water, leaking equipment, or a system that suddenly stopped working? City Home Comfort provides urgent HVAC diagnosis and repair support for homeowners and businesses across Toronto and the GTA.
Call first for urgent service.
For no heat, no cooling, no hot water, active leaks, or urgent breakdowns, calling the office is the fastest way to start the service process.
Important gas safety notice
If you smell natural gas or suspect a gas leak, leave the area immediately. Call Enbridge Gas at 1-866-763-5427 or call 911 from a safe location. Do not wait for an HVAC appointment.
Emergency repair services we handle
We diagnose and service the major comfort systems homeowners, condos, and property managers rely on every day. If the system failed suddenly, call first so we can help prioritize the next step.
Emergency furnace repair
If your furnace stops heating, short cycles, locks out, or will not ignite, we can help diagnose the issue.
- Ignitors and flame sensors
- Blower motor problems
- Thermostat and control issues
- Airflow and filter concerns
Emergency boiler repair
Boiler and combi boiler failures can affect both home heating and domestic hot water.
- No heat or no hot water
- Leaks and pressure issues
- Pump and zone problems
- Fault codes and ignition issues
Emergency AC repair
When the GTA gets hot and humid, a failed air conditioner can quickly become urgent.
- No cooling or weak airflow
- Frozen coils
- Electrical and capacitor issues
- Refrigerant and compressor concerns
Water heater repair
No hot water, leaking tanks, tankless errors, and inconsistent temperature should be reviewed quickly.
- Tank and tankless systems
- Leaking or rumbling tanks
- Hot water temperature issues
- Replacement advice when needed
Heat pump repair
Heat pumps can fail in heating or cooling mode, and proper diagnosis matters before parts are replaced.
- Heating and cooling faults
- Outdoor unit not running
- Defrost and sensor issues
- Hybrid system troubleshooting
Ductless and condo systems
We support ductless mini-splits, condo fan coils, condo packs, hydronic systems, and packaged units.
- Ductless indoor and outdoor units
- Condo heating and cooling systems
- Rooftop and packaged HVAC units
- Fault code troubleshooting
Not sure what failed?
Send photos, fault codes, or a short description of what changed. For urgent no heat, no cooling, no hot water, or active leaking, calling is the fastest next step.
What happens when you call for emergency HVAC service?
The goal is not to guess. The goal is to understand the issue, stabilize comfort, and explain the right next step.
We confirm the issue
Tell us what stopped working, when it happened, and whether there are leaks, sounds, smells, or fault codes.
We prioritize urgency
No heat, no cooling, no hot water, active leaking, and unsafe conditions are treated as urgent service situations.
We diagnose properly
A technician reviews the system, tests the equipment, and looks for the root cause instead of replacing parts blindly.
We explain the options
You get a clear explanation of repair, replacement, warranty, financing, and timing when replacement makes more sense.
Repair it, or replace it?
When equipment fails, the cheapest repair is not always the best decision. We help you compare the age of the system, repair cost, reliability, warranty status, efficiency, and whether replacement would create a better long-term outcome.
Emergency HVAC service across Toronto and the GTA
City Home Comfort supports homeowners, condos, and commercial properties throughout Toronto and surrounding GTA communities. Call first for urgent service so our team can confirm the issue and direct the next step.
Emergency HVAC repair FAQs
Quick answers for homeowners dealing with no heat, no cooling, leaks, or sudden equipment failure.
Do you offer 24/7 emergency HVAC repair?
Yes. City Home Comfort provides 24/7 emergency heating and cooling support for urgent comfort issues across Toronto and the GTA. For the fastest response, call the office directly.
What counts as an HVAC emergency?
No heat in cold weather, no cooling during extreme heat, no hot water, active leaking, electrical burning smells, repeated system lockouts, and unsafe operating conditions should be treated as urgent.
Should I call if I smell gas?
If you smell natural gas, leave the area immediately and call Enbridge Gas at 1-866-763-5427 or call 911 from a safe location. Do not wait for an HVAC service appointment.
Can you repair my brand of furnace, boiler, AC, or water heater?
Our technicians service many major brands and system types, including furnaces, boilers, combi boilers, heat pumps, air conditioners, ductless systems, tankless units, and water heaters.
What information should I have ready when I call?
Have your address, phone number, equipment type, system age if known, fault code if visible, and a short description of what changed. Photos or videos can also help our team understand the situation faster.
What if the system is too expensive to repair?
We can explain the repair cost, expected reliability, replacement options, installed pricing, warranty coverage, and financing options so you can make a clearer decision.
Need emergency HVAC help now?
Call City Home Comfort for urgent furnace, boiler, air conditioner, heat pump, ductless, water heater, condo, and commercial HVAC service across Toronto and the GTA.








