Furnace Repair in Hamilton | KMC Heating and Cooling
At KMC Heating and Cooling, we specialize in expert furnace repair in Hamilton. If your furnace humidifier isn’t working properly, our certified technicians are ready to provide fast, reliable repairs to restore your home’s indoor comfort and air quality. We understand how crucial a properly functioning humidifier is during the cold months to prevent dry air issues and keep your living environment healthy.
Our team is experienced in diagnosing and fixing all types of furnace humidifiers, ensuring your system runs efficiently year-round. Whether you have a bypass, fan-powered, or steam furnace humidifier, we tailor our repair services to your home’s specific needs and HVAC setup.
If your furnace humidifier is leaking, noisy, or simply not adding enough moisture to your home’s air, trust KMC Heating and Cooling for prompt and professional furnace humidifier repair services in Hamilton. We aim to improve your indoor air quality and protect your home from the damaging effects of dry air.
Common Water Heater Issues We Fix in Hamilton :
- No heat or inconsistent heating
- Blowing cold air
- Strange noises (banging, squealing, rattling)
- Frequent cycling on and off
- Faulty ignition or pilot light issues
- Weak or limited airflow
Rising energy bills due to inefficiency

Signs You Need Furnace Repair
Uneven Heating
Some rooms feel warm while others stay cold.
Unusual Noises
Banging, rattling, or screeching sounds can indicate mechanical problems.
Frequent Cycling
Your furnace turns on and off more often than usual.
Rising Energy Bills
A sudden spike in heating costs often signals your system is working harder than it should.
Weak or No Airflow
Little to no warm air coming through the vents.
Furnace Won’t Start
You’re having trouble getting it to turn on or stay on.
Yellow Pilot Light
A healthy gas furnace should have a blue flame—yellow could mean a carbon monoxide risk.
Burning Smell
Strange smells can point to overheating or mold inside your system.
Don’t let a broken furnace leave your home in the cold. Call KMC Heating and Cooling at (365) 998-8125 or schedule your repair service online now.
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Our Furnace Repair Process
We make furnace repair simple and stress-free with a fast, professional, and transparent approach. Here’s how it works:
- Schedule Your Service: Book online or call us—our team will confirm your appointment and dispatch a technician, often on the same day.
- Thorough System Inspection: We conduct a full diagnostic to find the exact issue—no guesswork, just honest assessments.
- Upfront Estimate: Before any work begins, we provide a clear quote with no hidden fees or surprise charges.
- Professional Repairs: Our licensed technicians fix the problem efficiently using high-quality parts and proven methods.
- System Testing & Cleanup: We test your furnace for safe operation and clean up the work area, leaving your home just as we found it.
Why Homeowners Trust KMC Heating and Cooling
Frequently Asked Questions (FAQs)
If your furnace is under 15 years old and the issue is isolated (like a faulty thermostat or sensor), a repair is usually enough. However, frequent breakdowns, high energy bills, or a unit older than 15–20 years may indicate it’s time for a replacement.
The cost depends on the issue and parts required. At KMC, we provide upfront pricing with no hidden fees, so you know exactly what to expect before we begin.
Yes, we stand behind our work with a satisfaction guarantee and warranties on both labour and replacement parts. You can trust that your investment is protected when you choose KMC Heating & Cooling.
Yes, we’re fully trained and equipped to repair all makes and models of gas and electric furnaces, including high-efficiency and older units.
We offer same-day and 24/7 emergency furnace repair services across the Greater Toronto Area. In most cases, a technician can be at your door within a few hours.
Other featured services
- Tankless Water HeaterHotTankless Water Heater
- Air ConditionerHotAir Conditioner
- Water HeaterWater Heater
- Smart ThermostatSmart Thermostat
- Gas LineGas Line
- HumidifierHumidifier
- FireplaceFireplace