Hvac Mississauga

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Turning up the chill factor in your home or office

Our company, ONCALL Heating & Cooling, believes that comfort is an essential requirement rather than an optional luxury. Your space’s indoor climate remains perfectly positioned whenever you need it to be – safe, comfortable, energy-efficient, no matter which season is happening outside.

On Call Heating & Cooling in

Your Trusted Residential & Commercial HVAC Partner – Serving All of Mississauga

ONCALL Heating & Cooling is a licensed, bonded, and insured HVAC company that has been in business since 2005. Heating, cooling, and gas services for homes and businesses are our area of expertise. Whether you’re battling a frigid winter or a scorching summer, our HVAC Mississauga has the perfect solution.

Complete Residential and Commercial HVAC Services in Mississauga

At ONCALL Heating & Cooling, we offer a comprehensive range of heating, cooling, ventilation, and gas services to residential homes, businesses, offices, and commercial properties. Whether you need a simple furnace repair, a full AC installation, or a customized HVAC setup for your commercial facility, our HVAC Mississauga Ontario experts are here to serve.

We approach every project with precision, safety, and attention to detail, ensuring that our work meets local building codes, energy standards, and your expectations. Our HVAC repair Mississauga team is experienced in handling both small-scale and large-scale projects and can manage everything from equipment upgrades to new HVAC system designs.

Licensed & Insured

Our licensed HVAC technicians and gas fitters are trained to handle all types of heating and cooling systems, including modern energy-efficient models, rooftop units, and multi-zone configurations. We follow strict safety guidelines and ensure that every member of our team is professionally certified and up to date with Mississauga’s HVAC compliance standards.

All our services are performed by fully licensed, bonded, and insured technicians. Whether you’re replacing an old furnace, installing a ductless air conditioner, or setting up HVAC systems for a new commercial site, ONCALL Heating and Cooling Mississauga delivers excellence with full regulatory compliance and safety-first practices.

Reliable, On-Time HVAC Project Management

At On Call Heating & Cooling, we take your comfort and deadlines seriously. Throughout every stage of your HVAC project, we provide regular progress updates, transparent communication, and expert recommendations—ensuring a seamless experience for homeowners and businesses alike. We’re committed to meeting your heating and cooling needs on time and within your budget, using the latest tools, practices, and energy-efficient technologies.

Our Residential HVAC Services in Mississauga Include:

Heating Services: Furnace repairs, installations, seasonal tune-ups, and efficient heating solutions
Cooling Services: Air conditioner installations, repairs, and central cooling systems
Water Heater Services: Tank and tankless systems installed, maintained, and repaired
Boiler Services: Full boiler diagnostics, maintenance, and replacement
Heat Pump Services: Energy-saving hybrid systems for year-round comfort
Ductwork Services: Custom duct design, sealing, cleaning, and airflow optimization.

Our Commercial HVAC Services in Mississauga Include:

Our Services Cover a Wide Range of Commercial Properties:

Other Services

All Service Locations in Canada

The On Call Heating & Cooling Difference

We respond quickly to your calls and service requests
We respect your schedule and provide flexible service hours
We respect your property and workspace—leaving it clean and safe
We work within your budget and offer competitive, transparent pricing
We seek opportunities for cost-savings and energy efficiency throughout the project

We’ve earned the trust of hundreds of customers across Mississauga through our dedication to doing the job right the first time—with comfort, safety, and performance at the core of everything we do.

Need Heating or Cooling Service in Mississauga? We’re On Call

Whether it’s time for an upgrade, emergency repair, or new installation, the ONCALL Heating & Cooling air conditioner and furnace repair Mississauga experts are ready to help. We’re proud to serve all of Mississauga and nearby areas with HVAC solutions that last.

Call us today to schedule a free consultation.
Experience trusted HVAC Mississauga service—ONCALL, always on time.