Explore 10 Trusted HVAC Contractors Serving Markham, ON

Yorktech Supply is a leading HVAC equipment supplier and custom sheet metal fabricator serving residential and commercial clients across the Greater Toronto Area. Established in 2010, we provide premium heating, ventilation, air conditioning, and refrigeration products alongside precision sheet metal components. Our state-of-the-art fabrication facility and extensive inventory make us a one-stop solution for contractors seeking quality materials and expert support.

Alliance Energy Source delivers professional HVAC services across the GTA, offering furnace and AC installation, repair, and maintenance with same-day availability. Specializing in high-efficiency systems since 1999, we provide Lennox-certified installations, Navien tankless water heater solutions, and comprehensive climate control upgrades backed by 10-year warranties.

Season 5 specializes in comprehensive HVAC and refrigeration services, including installations, repairs, and maintenance for residential, commercial, and industrial clients. With 20 years of expertise and industry certifications, we deliver reliable solutions for heating systems, air conditioning units, hot water systems, and indoor air quality enhancement. Our 24/7 emergency service and technical proficiency ensure optimal performance and safety across the Greater Toronto Area.

Spring Home Heating & Cooling delivers expert HVAC installation, repair, and maintenance services to Toronto, Markham, and Richmond Hill. Specializing in energy-efficient heating, cooling, and air quality solutions since 2001, we combine certified expertise with customer-centric service. Our commitment to quality ensures reliable, code-compliant systems that enhance home comfort and value.

Eco Star Home Services provides comprehensive HVAC solutions for Toronto homeowners, specializing in energy-efficient heating, cooling, and air quality systems. We offer installation, repair, maintenance, and rental services with 24/7 emergency support. Backed by licensed technicians and partnerships with leading equipment manufacturers, we deliver cost-effective comfort solutions tailored to residential needs.

AM Group Heating & Cooling provides professional residential and commercial climate control solutions throughout the Greater Toronto Area. We specialize in the installation and maintenance of energy-efficient heating, air conditioning, fireplaces, and barbeques. Our primary purpose is to enhance indoor comfort through advanced equipment and reliable technical support.

TRI-AIR Systems provides comprehensive HVAC services for commercial and industrial clients in Markham, Ontario. Specializing in maintenance, repair, and installation of heating, ventilation, and air conditioning systems, we serve schools, hospitals, and property managers across the GTA. With over 40 years of experience, our licensed technicians deliver 24/7 emergency service and customized proactive maintenance programs to ensure optimal system performance.

Markham Heating & Air Conditioning provides expert HVAC installation, repair, and maintenance services for residential clients in the Greater Toronto Area. Specializing in furnaces, air conditioners, humidifiers, and air quality systems since 1983, we combine 30+ years of experience with partnerships with top brands to deliver energy-efficient, budget-friendly solutions. Our licensed technicians offer 24/7 emergency service and free estimates to ensure year-round home comfort.

Inhome Comfort provides comprehensive electrical, HVAC, and gas piping solutions for residential and commercial clients in the Greater Toronto Area. Since 2005, weve prioritized precision, safety, and customer satisfaction through licensed, insured technicians and adherence to industry standards. Our services range from air conditioner maintenance to boiler installations, ensuring reliable, energy-efficient systems for homes and businesses.

For Saving Home Service is a licensed, insured, and TSSA-certified HVAC contractor providing comprehensive heating, cooling, heat pump, and water heater solutions across the Greater Toronto Area. As an approved Costco Lennox dealer, we offer exclusive member pricing, extended warranties, and full rebate paperwork assistance to maximize savings on high-efficiency equipment. Our certified technicians deliver 24/7 emergency service, transparent itemized quotes, and a structured process from free in-home assessment to professional installation and ongoing maintenance support.