Find the 4 Best HVAC Contractors in Waterloo, ON

Cross Heating & Air Conditioning delivers expert HVAC solutions in Kitchener, Waterloo, Listowel, and Hanover. Since 1987, weve provided furnace repairs, AC installations, and emergency services with certified technicians trained by leading manufacturers. Our commitment to reliability, competitive warranties, and customer-centric policies like the No Regret Repair Guarantee ensures lasting comfort and trust.

Kastl & Zuch Plumbing & Heating has provided expert plumbing and heating solutions in the Waterloo Region since 1966. Specializing in hydronic heating systems, water treatment, and gas services, we serve residential and commercial clients with licensed technicians and quality manufacturer partnerships. Our 50+ years of local experience ensure tailored solutions for new construction, renovations, and emergency repairs.

Constant Home Comfort provides HVAC installation, repair, and energy-efficient home solutions across Ontario. With over 10 years of experience, we specialize in furnaces, air conditioners, heat pumps, and water heaters, offering rebates, financing, and 24/7 emergency services. Our certified technicians prioritize customer satisfaction through transparent pricing and personalized energy-saving recommendations.

K-W Fireplace Installations & Home Comfort provides expert HVAC installation and gas appliance services in Waterloo Region. We specialize in energy-efficient furnaces, air conditioners, gas fireplaces, and water heaters. Our experienced team delivers tailored solutions that enhance home comfort while prioritizing cost-effectiveness and quality craftsmanship.