Find 8 HVAC Contractors You Can Count On in Waterloo, ON

Cross Heating & Air Conditioning delivers comprehensive HVAC services including furnace and AC installation, repair, and maintenance across Waterloo Region and surrounding Ontario communities. Since 1987, we've combined technical expertise with customer-centric policies like free consultations and emergency service availability. Our manufacturer-certified technicians ensure optimal home comfort through heating, cooling, water heating, and air quality solutions.

Delta Air Systems specializes in residential and commercial HVAC services, including furnaces, air conditioners, heat pumps, and indoor air quality solutions. With over 50 years of expertise, we deliver reliable installations, maintenance, and emergency repairs using top-tier brands and certified technicians. Our focus on customer-centric innovation ensures energy-efficient, cost-effective comfort for every client.

Kastl & Zuch Plumbing & Heating has provided expert plumbing and heating solutions in the Waterloo Region since 1966. Specializing in radiant infloor heating, water treatment systems, and gas services, we serve residential and commercial clients with licensed technicians and quality products. Our commitment to innovation and customer service makes us a trusted local partner for new construction and renovation projects.

Markle Heating & Cooling specializes in residential, commercial, and industrial HVAC solutions. With over 30 years of experience, we offer installation, repair, and maintenance services for heating, cooling, and indoor air quality systems. Our commitment to quality and 24/7 emergency support ensures reliable comfort for all clients.

Constant Home Comfort provides expert HVAC installation, repair, and maintenance services across Ontario. Specializing in energy-efficient furnaces, air conditioners, heat pumps, and water heaters, we help homeowners reduce energy costs through government rebates and financing options. Our certified technicians deliver reliable 24/7 service across Toronto, Hamilton, London, and surrounding areas.

Reitzel Heating & Air Conditioning delivers residential and commercial HVAC solutions, including furnaces, air conditioning, humidifiers, and air treatment systems. Established in 1961, we combine family-owned tradition with Carrier-certified expertise to provide reliable installations, 24/7 emergency services, and long-term comfort solutions across southern Ontario.

Afterglow provides comprehensive HVAC solutions including heating, cooling, and air quality systems for residential and commercial properties in Kitchener-Waterloo and surrounding areas. Specializing in energy-efficient installations, emergency repairs, and preventive maintenance, we combine 30+ years of local expertise with cutting-edge technology. Our family-owned business prioritizes customer satisfaction through transparent service and community engagement.

K-W Fireplace Installations & Home Comfort specializes in HVAC and fireplace solutions for Waterloo Region residents. We deliver energy-efficient gas furnace, air conditioning, and fireplace installations tailored to residential needs. With over 28 years of local experience, our certified technicians ensure reliable, code-compliant installations that enhance home comfort and value.