No heat or unreliable heat
The furnace or boiler will not start, shuts down, blows cool air, makes a new sound or no longer heats rooms evenly.
Furnace warning signs →HVAC service & repair in Vaughan
HVAC Repair in Vaughan for Heating, Cooling and Hot-Water Problems
Request furnace, air-conditioning, boiler, heat-pump, hot-water and maintenance support from a Vaughan-based team with more than 20 years of experience.
20+ yearsIndustry experience
24/7Service support
TSSACertified service
LocalVaughan-based team
What changed?
Choose the symptom—not the diagnosis
These are practical starting points for the first conversation. For gas odour, a carbon-monoxide alarm, smoke, fire or immediate danger, leave the area and call 911 or the appropriate utility from a safe location.
No cooling or weak cooling
The AC runs without cooling, airflow is weak, ice appears, water collects or the home cannot reach the set temperature.
AC warning signs →No hot water or a leak
Water stays cold, runs out sooner than usual, temperature fluctuates or moisture appears near the heater or its connections.
Water-heater warning signs →Performance changed
Longer cycles, rising operating time, new odour, uneven rooms or recurring small issues can justify assessment before complete failure.
Maintenance guidance →
Service is about the result
Repair decisions should connect equipment condition to comfort in the home
The visible symptom may involve the equipment, controls, airflow or circulation, drainage, venting or another connected part of the system. A useful assessment explains what was observed and what the proposed work is intended to change.
Describe safe, observable symptomsAssess the connected systemExplain repair, monitoring and replacement options
Complete service directory
Go directly to the system that needs attention
Each page provides warning signs, assessment priorities, repair-versus-replacement guidance, safe preparation steps and answers to common homeowner questions.
Furnace serviceNo heat, airflow, short cycling, noise and repair planning.Air-conditioning serviceWarm air, ice, drainage, airflow and electrical concerns.Boiler serviceCirculation, pressure, zones, noise and visible leakage.Heat-pump serviceHeating, cooling, defrost, controls and backup heat.Hot-water tank serviceTemperature, capacity, controls, valves and leaks.Tankless serviceFlow, temperature, error codes, scale and maintenance.Water filtrationTaste, odour, sediment, hardness, flow and filter care.HVAC maintenanceSeasonal inspection, observations and prioritized findings.
A clear service process
From the first symptom to a checked, completed result
Our approach keeps the work understandable and the decisions in your hands.
Describe the issue
Tell us what changed, when it started and which system is affected.
Assess and explain
We inspect the system, identify likely causes and explain practical options before approved work begins.
Complete and verify
Approved work is completed carefully, then operation and basic performance are checked before handoff.
Choose the right type of help
Repair, maintenance and replacement answer different questions
You do not need to decide the final answer before contacting the team. The first step is understanding the condition of the existing system and the result the home needs.
Diagnosis and repair
Best for an active fault, shutdown, leak, new noise or performance loss. The goal is to identify the cause and explain the practical repair path.
Seasonal maintenance
Best for inspection, cleaning, operating observations and finding developing concerns before sustained heating or cooling demand.
Replacement planning
Best when failure is major, repair history is growing, safety or parts are concerns, or the equipment no longer fits the home. A purchase decision belongs in a separate project conversation.
Explore sales & installation →Prepare for service safely
Information that makes the first conversation more useful
Note the system, when the change began, whether operation is constant or intermittent, and any safe observations such as an error code, visible water or ice, unusual sound or odour.
Confirm thermostat settings and accessible switches onlyDo not remove panels or bypass safety controlsClear safe access to equipment, thermostat and electrical panelKeep people away from standing water near gas or electrical equipmentShare the service address and best callback number
Local service coverage
HVAC help across Vaughan and nearby communities
Choose a community page for locally focused heating, cooling and hot-water guidance. Availability for a specific address and request is confirmed by the team.
Request HVAC service
Tell us what the system is doing
Include the affected equipment, symptoms, when the change began, the service address and your best contact information. Submitting the form starts a conversation; the team will confirm the next step.
Your information is used only to respond to your service request. Privacy policy
HVAC service questions
What homeowners ask before requesting service
Clear information helps you decide when to call and what to expect next.
What should I do when my furnace or air conditioner stops working?
Call 289-637-3541 for the fastest response to an active loss of heat or cooling. You can also submit the website form with the system, symptoms, service address and best callback number.
Can I request service without knowing what is wrong?
Yes. Describe what changed, when it began and any safe observations such as noise, weak airflow, water, ice or an error code. A service request does not require you to diagnose the equipment.
Does M&M Home Comfort repair and replace equipment?
Yes. The service visit starts with the existing system. If repair is not practical, replacement and installation options can be discussed separately with a complete project scope.
What systems can I request service for?
The website covers furnaces, air conditioners, boilers, heat pumps, hot-water tanks, tankless water heaters, water filtration and seasonal maintenance.
Is submitting the form a confirmed appointment?
No. The team must review the request and confirm timing and the next step. Call directly for the fastest response to an active breakdown.
Which areas are listed for service?
M&M Home Comfort lists Vaughan, Maple, Richmond Hill, Woodbridge, Concord, King City and Barrie among the communities served.
