• Professional HVAC Services in Toronto You Can Trust
• 24/7 Emergency Furnace & AC Repair
• Same-Day Service Available
• Professional HVAC Services in Toronto You Can Trust • 24/7 Emergency Furnace & AC Repair • Same-Day Service Available
Get Your HVAC Problem Fixed Today
Call 24/7 — No Heat / No AC / No Hot Water
Please complete this form with your contact details and information about your HVAC equipment. We'll get back to you as soon as possible to schedule your service or provide a free quote.
Book Your HVAC Service or Installation
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Toronto summers can be hot and humid. Guardian Heating & Cooling provides expert air conditioning installation, AC repair, and maintenance services to keep your home cool and efficient.
We install and service:
Central Air Conditioning Systems
Ductless & Mini-Split Air Conditioners
High-Efficiency Cooling Systems
If your air conditioner is not cooling properly, leaking, making noise, or increasing your hydro bill, our Toronto AC repair specialists can diagnose and fix the issue quickly.
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Reliable heating is essential in the GTA. Our experienced furnace technicians provide professional furnace installation, repair, and maintenance throughout Toronto and North York.
We repair and service:
Ignition and pilot light problems
Thermostat malfunctions
Blower motor and fan issues
Heat exchanger concerns
No heat or intermittent heating
General mechanical furnace problems
Whether you need a new high-efficiency furnace installation or fast emergency furnace repair in Toronto, Guardian Heating & Cooling ensures your home stays warm and safe.
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No hot water? We offer expert water heater repair and installation services throughout Toronto and the GTA.
We service:
Tank water heaters
Tankless water heaters
Gas and electric water heaters
40, 50, 60, and 75-gallon systems
Our team can assist you in selecting the right water heating solution for your home and budget, or swiftly repair your existing system.
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Heating and cooling emergencies don’t wait. That’s why we offer fast-response emergency HVAC services in Toronto and North York.
Call us for:
No heat
No AC
No hot water
Furnace breakdown
AC failure
Urgent HVAC repairs
Our licensed technicians are available to restore comfort and safety to your home.
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Regular HVAC maintenance helps extend the life of your furnace and air conditioner while reducing energy costs.
We provide:
Seasonal furnace maintenance
AC tune-ups
System inspections
Efficiency upgrades
Smart thermostat installations
Prevent breakdowns and improve indoor comfort with routine HVAC service in Toronto.
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Local, family-owned Toronto HVAC company
15+ years of industry experience
Licensed and insured technicians
Honest pricing and transparent service
Fast response across the GTA
Customer-focused approach from first call to aftercare
We treat every home like our own and prioritize safety, comfort, and long-term system performance.
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Whether you need furnace repair, air conditioning installation, water heater service, or emergency HVAC repair in Toronto or North York, Guardian Heating & Cooling is ready to help.
Call today for fast, professional heating and cooling services across the Greater Toronto Area.
📞 Call Us 24/7:
Emergency service available anytime
📧 Email Us:
Response within 2 hours
🕐 Hours of Operation
Monday - Sunday: 24/7 Service
Same-day service available
📍Service Area
Greater Toronto Area
All neighbourhoods covered
Our Services
Professional HVAC service in Toronto & the GTA for furnace, AC, heat pump, boiler, and water heater issues; including no heat/no hot water calls, with fast, reliable diagnosis and repair.
Complete furnace and heating system maintenance in Toronto & GTA. Includes safety inspection, burner cleaning, heat exchanger check, thermostat calibration, airflow testing and efficiency optimization to prevent breakdowns and reduce energy bills. Ideal before winter to avoid no-heat emergencies.
Professional air conditioner maintenance in Toronto & GTA. Includes condenser coil cleaning, refrigerant level check, electrical inspection, airflow testing and full system performance tune-up to prevent AC breakdowns and improve cooling efficiency before summer heat.