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Furnace Repair Services

Is your broken furnace leaving you and your family shivering during Toronto’s harsh winter months? Don’t let heating problems leave you in the cold! Mas Air Home Comfort provides expert heating repair services throughout Toronto and the Greater Toronto Area, responding immediately to restore warmth and comfort to your home.

Our heating technicians specialize in all furnace types – gas furnaces, electric heating systems, high-efficiency condensing units, and heat pump systems.

Furnace not working? Call our emergency heating repair line at 1-855-795-1199 now!

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Common Furnace Problems We Fix

Furnace Not Heating

Thermostat set but house still cold? Furnace heating failures typically result from faulty ignition systems, dirty flame sensors, or malfunctioning gas valves. Our heating experts use advanced diagnostic tools to identify ignition problems, pilot light issues, and burner malfunctions for fast, effective repairs.

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Furnace Blowing Cold Air

Heat running but only cold air coming from vents? This frustrating problem usually indicates ignition system failures, dirty flame sensors, or thermostat malfunctions. Our heating specialists quickly identify whether your system needs igniter replacement, sensor cleaning, or thermostat recalibration.

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Furnace Won't Start

Furnace completely unresponsive despite thermostat settings? Furnace startup problems commonly stem from tripped circuit breakers, failed blower motors, or electrical component failures. Our technicians safely diagnose power issues, capacitor failures, and control board problems without risk of electrical hazards.

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Noisy Furnace Operation

Banging, rattling, or grinding sounds from your heating system? Unusual furnace noises often signal loose components, blower motor problems, or delayed ignition issues. We pinpoint noise sources and perform precision repairs to restore quiet, efficient operation while preventing costly component damage.

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Poor Heating Performance

Some rooms warm while others stay cold? Uneven heating typically results from clogged air filters, ductwork problems, or blower motor issues. Our technicians optimize airflow, clean or replace filters, and ensure proper heat distribution throughout your entire home.

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Complete Furnace Troubleshooting Guide

Read our comprehensive heating system repair guides, winter maintenance tips, and energy efficiency strategies for Toronto homeowners.

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Furnace Repair vs Replacement:
Smart Investment Decision Guide

Should you repair or replace your malfunctioning furnace? This crucial
decision impacts both your family’s comfort and your budget. Most furnaces last 15 to 20 years, but with regular maintenance and timely repairs, some systems can last even longer. Here’s how to make the smartest choice:

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Key factors we evaluate:

System age and condition, Energy efficiency potential, Repair frequency, Refrigerant compatibility

Endless Hot Water, On Demand

Never run out even during back-to-back showers or laundry. Tankless units heat water only when needed, with zero standby loss.

Our technicians provide honest repair vs. replacement recommendations based on your furnace’s condition, your home’s heating needs, and your budget.

Need an expert evaluation? Schedule your comprehensive furnace assessment today and get clear guidance on the most cost-effective solution.

Why Choose Mas Air Home Comfort for Toronto Furnace Repairs?

24/7 Same-Day Heating Restoration

Once we receive your repair request, we quickly arrange a technician to contact you and provide on-site service. We understand the urgency of AC breakdowns and strive to offer same-day repairs. With our 24/7 emergency service, you can count on us to restore your comfort without delay.

Licensed Heating Specialists

Our licensed HVAC technicians bring years of hands-on experience in furnace repair. No matter the brand, model, or complexity of the issue, we quickly diagnose the root cause and deliver reliable, long-lasting solutions.

Transparent Heating Pricing

Before starting any repair, we provide a clear quote and proceed only after your approval. Our pricing is transparent and fair, with no hidden charges, so you can have complete confidence in entrusting your furnace to us.

Complete Satisfaction Guarantee

For our furnace repair services, we use only reliable original manufacturer parts or high-quality replacements, and we back every repair with a warranty. If the same part fails within 7 days, we will return promptly to fix it and ensure your comfort is protected.

Toronto Local Expertise

As a locally-owned Toronto heating company, we understand the unique challenges of GTA homes - from century-old houses with converted heating systems to modern homes with high-efficiency furnaces. Our team ensures clear communication throughout every heating repair process.

Meet Our Expert Technician Team

Learn about our certified heating specialists.

Comfort You Can Count On

Families throughout the Greater Toronto and Hamilton Area trust Mas Air Home Comfort for service that’s fast, reliable, and rooted in real expertise. From urgent AC repairs to seasonal furnace checkups and everyday HVAC problems, we focus on delivering results that restore comfort—without delay or hassle. 

Frequently Asked Questions

Most furnace repairs can be completed in 1-3 hours, depending on the complexity of the problem. Our technicians carry common replacement parts like igniters, flame sensors, blower motors, and gas valves to resolve most issues in a single visit. For major component replacements requiring special orders, we provide temporary heating solutions and schedule service.

Furnace repair costs vary based on the specific problem and required parts. Some problems, like a clogged filter or a faulty thermostat, are easier and more affordable to fix, while major repairs like replacing a heat exchanger, blower motor, or circuit board can be more expensive. We provide clear, upfront pricing after diagnosis and only proceed with your approval.

Emergency furnace repair is complex and requires specialized knowledge. Attempting to fix a gas furnace without proper training can be dangerous, leading to potential gas leaks, electrical hazards, or further system damage. For safety, always contact licensed heating professionals. You can safely check basic items like thermostat settings, circuit breakers, and air filter condition before calling for service

Absolutely! We provide 24/7 emergency heating repair service, including nights, weekends, and holidays. When your furnace fails during Toronto’s coldest weather, our emergency heating technicians respond immediately to restore warmth to your home, with no additional after-hours fees.

Our furnace repair service covers all of Toronto and the Greater Toronto Area, including Etobicoke, North York, Scarborough, East York, downtown Toronto, plus surrounding communities like Mississauga, Brampton, Markham, Richmond Hill, Vaughan, and Milton. Wherever you are in the GTA, we provide fast, reliable furnace repair service.

Your furnace service should be scheduled once a year, ideally before winter arrives. Regular maintenance helps prevent breakdowns, improve efficiency, and extend the lifespan of your unit. Annual tune-ups include safety inspections, cleaning, and performance optimization to ensure reliable
heating all winter long.

Need a hand?
We're here to help.

To receive assistance, please complete the form, and our dedicated team will assist you every step of the way.

By submitting this form, you agree to receive communications from us regarding your inquiry. Our dedicated team is here to assist you at every step.

Book Your Furnace Repair Service Now

Don’t let furnace problems leave your family in the cold! Toronto’s harsh winters demand reliable heating! Additionally, our service range includes AC repair, furnace repair, insulation services, and a complete range of home comfort projects to meet your year-round comfort needs. Pick up the phone now and call 1-855-795-1199, or book service through our website form. Our team will quickly arrive at your location to solve your problems and restore warm comfort to your home!

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