For over four decades, Longhill Energy has become known for its “niche” specialty products in Ottawa and across Ontario. Our commercial HVAC solutions offer advantages in design quality, energy efficiency, as well as overall performance. Longhill Energy has been selling and supporting mechanical heating, ventilation and air conditioning products throughout Ontario and Western Quebec for over 40 years. We represent numerous manufacturers of quality products that differentiate themselves by providing an excelllent ROI based on efficiency, effectiveness, and overall cost of ownership. We offer technical and application support to mechanical consulting engineers, contractors and owners.