Find the 7 Best HVAC Contractors in Saint Catharines, ON

Brian Easton Heating & Air Conditioning delivers comprehensive heating, ventilation, air conditioning, and indoor air quality services to residential and commercial clients in St. Catharines and the Niagara Region. Specializing in furnace, air conditioning, and heat pump installation, repair, and maintenance, we combine over 35 years of family-led expertise with certified technical proficiency. Our commitment to energy efficiency, transparent pricing, and 24/7 emergency service ensures reliable solutions that enhance comfort while reducing long-term costs.

Pitton Plumbing & Heating provides residential, commercial, and industrial plumbing services, emergency repairs, and portable toilet rentals across Southern Ontario. With licensed plumbers and 24/7 emergency response, we address issues like leaky pipes, frozen lines, and sewer backups while offering maintenance contracts and specialized equipment. Our commitment to quality, speed, and customer satisfaction has made us a trusted name in Hamilton and surrounding areas since 1983.

J & S Heating & Air Conditioning provides comprehensive HVAC services for residential and commercial clients in the Niagara Region. With 67 years of experience, we offer installation, repair, and maintenance of furnaces, boilers, air conditioners, and heat pumps, prioritizing energy efficiency and customer comfort. As an authorized Carrier dealer, we combine industry-leading products with personalized service to ensure long-term reliability and satisfaction.

HECO Limited specializes in industrial refrigeration systems, offering comprehensive design, installation, and maintenance services for commercial applications. We deliver energy-efficient solutions tailored to industries like food processing, pharmaceuticals, and agriculture, ensuring operational efficiency and cost savings. With 40+ years of expertise and 24/7 emergency support, we combine cutting-edge technology with certified professionals to meet diverse cooling needs.

A & J Plumbing Heating provides expert plumbing, heating, and drain services in Niagara. With 20+ years of experience, we offer emergency repairs, trenchless pipe solutions, and preventative maintenance. Our certified technicians serve residential and commercial clients across the Niagara Region with a satisfaction guarantee.

Penn Refrigeration provides comprehensive HVAC and refrigeration solutions for commercial, industrial, and agricultural clients. Since 1961, we have specialized in custom refrigeration systems, controlled atmosphere storage, and high-efficiency heating and cooling installations. Our 24/7 emergency service ensures uninterrupted operations for businesses across the Niagara region.

Red Seal Mechanical provides comprehensive HVAC services for residential and commercial clients, specializing in installations, repairs, and maintenance. The company prioritizes quality workmanship, timely service, and customer satisfaction. With a focus on affordability and transparency, it serves St. Catharines, Niagara Falls, Welland, and nearby regions.