D.C.V. Proulx Heating and Air Conditioning is a leader in the Heating, Air Conditioning, Ventilation and Refrigeration industry serving Clarence-Rockland, Cumberland, Orleans, Ottawa and Eastern Ontario. We specialize in Service, Preventative Maintenance and Installation to both residential and commercial customers. D.C.V. Proulx Heating and Air Conditioning is a Family owned business established in 2007. The owner of D.C.V. Proulx has been in the HVAC/R industry for over 25 years.