Browse the Top 10 HVAC Contractors Serving Markham, ON

Alliance Energy Source is a trusted HVAC contractor serving residential clients in the Greater Toronto Area since 1999. We specialize in furnace, air conditioner, and boiler installation, repair, and maintenance, offering same-day service and 10-year warranties. Our team delivers energy-efficient solutions with brands like Lennox and Navien, supported by financing options and free estimates.

Markham Heating & Air Conditioning provides expert HVAC installation, maintenance, and repair services for residential clients. Specializing in energy-efficient heating and cooling systems since 1983, we serve Markham and surrounding areas with personalized solutions tailored to homeowners' needs. Our licensed technicians ensure reliable performance for furnaces, air conditioners, air quality systems, and more.

Pinewood Heating & Air Conditioning has been a trusted HVAC provider in Markham since 1982. We specialize in residential and commercial heating, cooling, and air quality solutions, offering expert installations, maintenance, and emergency services. Our commitment to energy efficiency and customer satisfaction is reflected in our tailored service plans and partnerships with leading manufacturers.

Inhome Comfort provides expert HVAC, electrical, and gas piping services for residential and commercial clients in the Greater Toronto Area. Established in 2005, we combine 20+ years of industry experience with TSSA-certified expertise to deliver reliable, code-compliant solutions. Our commitment to quality is underscored by 24/7 emergency availability and a satisfaction guarantee.

Eco Star Home Services specializes in HVAC solutions, offering sales, installation, repair, and maintenance for heating, cooling, water heating, and insulation systems. We prioritize energy efficiency, affordability, and customer satisfaction, serving residential clients in the Greater Toronto Area. Our licensed technicians provide 24/7 emergency services and tailored solutions to ensure year-round home comfort.

Alfa Mechanical In specializes in HVAC services for residential and commercial properties, offering installation, repair, and maintenance solutions. We prioritize customer satisfaction through personalized consultations, high-quality equipment, and comprehensive warranties. Our team delivers tailored heating, cooling, and ventilation systems to enhance comfort and efficiency for every client.

Spring Home Heating & Cooling provides expert HVAC installation, repair, and maintenance services for homes and businesses in Toronto and the surrounding GTA. Since 2001, we've prioritized certified technicians, transparent pricing, and reliable solutions to ensure optimal indoor comfort. Our services cover heating, cooling, and air quality systems, backed by partnerships with leading brands and a 4.7-star rating from 218 reviews.

Season 5 provides comprehensive HVAC and refrigeration services across the Greater Toronto Area. Our certified technicians handle residential, commercial, and industrial systems with expertise in installations, repairs, and maintenance. We guarantee code-compliant workmanship and 24/7 emergency support for heating, cooling, and air quality solutions.

TRI-AIR Systems provides expert HVAC maintenance, repair, and installation services for commercial and industrial clients in Markham, Ontario. With over 40 years of experience, we specialize in proactive maintenance programs that enhance system efficiency and longevity. Our licensed technicians deliver 24/7 emergency services and customized solutions for heating, cooling, ventilation, and refrigeration systems.

Yorktech Supply provides HVAC equipment, custom sheet metal fabrication, and building supply solutions to residential and commercial clients in the Greater Toronto Area. Established in 2010, we combine product expertise with technical capabilities to support contractors and homeowners. Our comprehensive offerings include Keeprite heating systems, Honeywell smart home solutions, and precision-engineered ductwork components.