Hvac Services in Toronto
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We've got prestigious awards for our work
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.
- Ventilation System Maintenance
- Indoor Air Quality Testing
- Cool Craft Custom Solutions
Your Trusted Residential & Commercial HVAC Partner – Serving All of GTA & Toronto
Established in 2005, On Call Heating & Cooling is a family-owned, licensed, bonded, and insured HVAC company in Toronto. We specialize in full-service heating, cooling, and gas services for both homes and businesses throughout Toronto. Whether you’re battling a frigid winter or a scorching summer, we’ve got the perfect solution.
Complete Residential and Commercial HVAC Services in Toronto
At On Call Heating & Cooling, we provide a full spectrum of heating, cooling, ventilation, and gas services to residential homes, businesses, offices, and commercial properties across Toronto . Whether you need a simple furnace repair, full AC installation, or a custom HVAC setup for your commercial facility, our 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 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 and gas furnace maintenance Toronto technicians 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 Toronto’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 Cooling Toronto delivers excellence with full regulatory compliance and safety-first practices.
Reliable, On-Time HVAC Project Management
Our On Call commercial HVAC contractors Toronto 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 Toronto Include:
- Heating Services: Furnace repairs, installations, seasonal tune-ups, and efficient heating solutions.
- Air conditioner repair Toronto: Air conditioner installations, repairs, and central cooling systems.
- Water Heater Services: Tank and tankless systems installed, maintained, and repaired.
- Toronto boiler repair: 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 Toronto Include:
- Commercial Maintenance Plans
- Commercial HVAC Installations
- Gas Furnace Repairs & Installations
- Humidifier Installations
- Gas Stove Hook-Ups
- Gas Dryer Hook-Ups
- Gas Fireplace Installations
- Central Air Conditioning Systems
- Rooftop Unit Installations and Repairs
Our Services Cover a Wide Range of Commercial Properties:
- Office Buildings
- Clinics & Medical Offices
- Warehouses
- Retail Stores & Shopping Units
- Factories & Workshops
- Apartment Buildings
- Condominiums
- Hair & Nail Salons
- Commercial Garages & Underground Parking
- Restaurants, Cafes & Commercial Kitchens
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
Other Services
All Service Locations in Canada
We’ve earned the trust of hundreds of customers across Toronto 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 Toronto ? We’re On Call.
Whether it’s time for an upgrade, emergency repair, or new installation of HVAC, Gas Furnace, boiler, or hot water tank, ONCALL Heating & Cooling is ready to help. We’re proud to serve all of Toronto and nearby areas with HVAC solutions that last.
Call us today to schedule a free consultation.
Experience & trusted HVAC services Toronto—On Call, always on time.
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