Fast, Reliable HVAC Help in Toronto
Emergency Service - Same-Day Availability - Licensed Technicians
5 stars rated on google - Trusted by Homeowners
“Great experience for furnace installation, they were so fast and clean, also the pricing was very good.”
“Really pleased with Guardian Heating & Cooling. They were professional, easy to talk to, and got everything working again fast. Would definitely recommend them.”
“Great experience with this HVAC company! Professional, on time, and very knowledgeable. They explained everything clearly and did a clean, efficient job. Highly recommend!”
Get Your HVAC Problem Fixed Today
No Heat / No AC / No Hot Water?
Please provide your contact details and HVAC equipment information in this form. We’ll quickly reach out to schedule your service.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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
A full heating tune-up by a licensed, TSSA-registered technician. Best booked before winter — most no-heat calls in January were preventable in October.
What's included:
Safety inspection
Burner cleaning
Heat exchanger check
Thermostat calibration
Airflow testing
Efficiency optimization
Standard filter replacement
About an hour for most systems. If we find something, we'll tell you what it is, what it costs, and whether it needs fixing now or can wait. You decide — we don't do repairs you didn't approve.
Maintenance plan members get this twice a year plus cooling, from $279. See our plans.
Residential homes only. Commercial properties quoted separately — call (437) 374-0018.
After you book, we'll call you within one business day to schedule.
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.
A full AC tune-up by a certified refrigeration technician. Best booked in spring — once the first heat wave hits, we're booked solid.
What's included:
Condenser coil cleaning
Refrigerant level check
Electrical inspection
Airflow testing
Full system performance tune-up
Standard 1” filter replacement
About an hour for most systems. If your refrigerant is low, that means a leak — we'll find it rather than top you up and send you the same bill next summer.
Maintenance plan members get this twice a year plus heating, from $279. See our plans.
Residential homes only. Commercial properties quoted separately — call (437) 374-0018.
After you book, we'll call you within one business day to schedule.