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28 Years
experience
Emergency
services
Trusted HVAC Services in Milton & Mississauga
At Extra Air System, we prioritize your home or business comfort with over a decade of expertise in HVAC solutions. Our team delivers comprehensive sales, installation, service, and maintenance for residential and light commercial units, treating every client like family. We emphasize safety, reliability, and exceptional customer service, ensuring tailored solutions for your comfort needs. As an authorized Carrier dealer and specialist in brands like Napoleon, we combine industry-standard products with personalized guidance.

With 24/7 emergency availability and a commitment to competitive pricing, we serve the GTA and surrounding areas, including Milton, Mississauga, and Oakville. Our focus on energy efficiency, transparent communication, and customer satisfaction has earned us a reputation for excellence across 25 years of operation.
Services
Heating System Sales Cooling Installation Ductless Solutions Humidifier Services Water Heater Repairs Emergency HVAC Service 24/7 Repairs Maintenance Plans Gas Line Services Thermostat Installation
Details
  • Year established: 1998
Highlights and features
  • We offer over a decade of HVAC expertise with certified technicians.
  • Our team provides honest, courteous service and transparent pricing.
  • 24/7 emergency availability ensures immediate assistance during critical needs.
  • We specialize in energy-efficient Carrier and Napoleon product installations.
  • Local knowledge serving Milton, Mississauga, and the Greater Toronto Area.
What people say
Prompt response Professional service Fair pricing Excellent work Highly recommend
Services
Heating System Installation
Our expert technicians provide precision heating system installations tailored to your property's requirements. From initial consultation to final setup, we ensure optimal performance and energy efficiency. Our team handles all brands and systems, including furnaces and heat pumps, with meticulous attention to industry standards. Clients praise our swift execution and thorough explanations of system operations.
Cooling System Repairs
We diagnose and resolve cooling system issues promptly, including compressor failures and refrigerant leaks. Our 24/7 emergency service ensures minimal downtime during heatwaves. Technicians use advanced tools to restore system functionality efficiently. Customers highlight our punctuality and transparent communication during repair processes.
Ductless Solutions
Ductless heating and cooling systems offer zoned comfort for spaces without existing ductwork. We install energy-efficient Carrier, Mitsubishi, and Toshiba models with minimal disruption. Our team programs thermostats for optimal performance during installation. Clients appreciate the cost-effectiveness and seamless integration with existing structures.
Water Heater Services
We handle tank and tankless water heater sales, installations, and repairs for residential and commercial properties. Our technicians prioritize energy efficiency to reduce utility costs. Emergency repairs are completed promptly to restore hot water access. Customers praise our competitive pricing and thorough maintenance checks.
24/7 Emergency HVAC Service
Critical HVAC failures receive immediate attention through our round-the-clock emergency service. Fully equipped technicians respond within hours, even during holidays. We maintain transparent pricing for after-hours calls without surge charges. Numerous reviews highlight our rapid response during extreme weather conditions.
People
Michael
HVAC Technician
With 15+ years of HVAC experience, Michael specializes in Carrier systems and energy-efficient solutions. He provides clear explanations of complex repairs and prioritizes customer education. Clients praise his punctuality, fairness, and expertise in resolving unique issues like humidity control.
Ross
Service Technician
Ross delivers prompt repairs with 10 years of field experience, excelling in emergency AC fixes. He maintains transparent communication about repair needs and costs. Multiple reviews specifically mention his responsiveness during heatwaves and professional conduct in residential settings.
Questions
What HVAC services do you offer in Milton?
We provide complete HVAC solutions including heating/cooling system sales, installations, repairs, and maintenance. Specializing in Carrier systems, ductless mini-splits, and emergency services across residential and commercial sectors.
Are emergency HVAC repairs available 24/7?
Yes, our team offers immediate assistance for urgent HVAC failures, with technicians typically arriving within 2 hours during extreme weather conditions.
Do you service all types of heating and cooling systems?
We work with all major brands including Carrier, Mitsubishi, Toshiba, and Napoleon, covering furnaces, heat pumps, AC units, and tankless water heaters.
What areas do you service?
We cover Milton, Mississauga, Oakville, Burlington, Toronto, and surrounding regions within a 50km radius of our head office.
Are government rebates available for HVAC upgrades?
Yes, we help clients access Enbridge rebates up to $10,000 and Greener Homes Grants for qualifying energy-efficient system upgrades.
What distinguishes your HVAC service?
We combine technical expertise with transparent communication, offering free consultations, lifetime system support, and guaranteed customer satisfaction since 1998.