Explore Trusted HVAC Contractors Serving Hartington, ON

Leonard Heating & Cooling provides HVAC services, propane heating solutions, and oil heat systems to residential, farm, and commercial clients in Hartington and surrounding Ontario regions. Established in 1962 with family roots in the industry since 1936, we combine tradition with modern technology for year-round comfort. Our 24-hour emergency response and free service estimates address urgent heating needs while maintaining compliance with technical safety standards.