Find the 7 Best HVAC Contractors in Ottawa, ON

Top Hat delivers expert HVAC repair, fireplace installations, chimney maintenance, and home improvement solutions to Ottawa residents. With over 50 years of experience, we combine trusted brands, certified technicians, and a customer-first approach to ensure lasting comfort and value for every home.

AirZone HVAC Services provides expert heating, ventilation, and air conditioning solutions for Ottawa homeowners and businesses. Specializing in furnace installations, AC repairs, and heat pump systems since 2005, we combine certified technicians with energy-efficient technology to ensure year-round comfort. Our services include 24/7 emergency response, annual maintenance plans, and access to HVAC rebates.

Reliable Home delivers comprehensive HVAC solutions for Ottawa residents, specializing in heat pump, furnace, and air conditioning installation, repair, and maintenance. Our family-owned business combines local expertise with advanced technology to provide energy-efficient heating and cooling systems. With 24/7 emergency service availability and a lifetime guarantee on workmanship, we ensure year-round home comfort through personalized solutions.

Capital City Heating and Cooling and Cooling provides expert HVAC installation, repair, and maintenance services in Ottawa and surrounding areas. Specializing in furnaces, air conditioners, heat pumps, and indoor air quality systems, we combine top-tier Bryant products with personalized service. Our commitment to customer satisfaction includes 24/7 emergency support and tailored financing options.

Ottawa Mechanical Contracting specializes in commercial and industrial HVAC solutions, including design, installation, maintenance, and special projects. With over 25 years of experience, we serve Ottawa and surrounding regions, offering tailored mechanical services for diverse industries. Our commitment to customer satisfaction, safety, and environmental responsibility drives every project.

Design Experts provides professional mechanical design and performance modeling services for residential and commercial buildings. Specializing in HVAC systems, energy efficiency, and code compliance, we deliver tailored solutions that enhance comfort and sustainability. Our expertise supports architects, builders, and contractors across Eastern Ontario.

Baxtec Mechanical Service Mechanical Services is a full-service commercial HVAC and plumbing contractor serving Ottawa and surrounding areas. Specializing in heating, ventilation, air conditioning, and plumbing systems since 1983, we deliver design-build solutions, preventive maintenance programs, and emergency repair services. Our certified technicians combine technical expertise with a commitment to safety and code compliance for industrial, commercial, and institutional clients.