Your one-stop distributor of McDonnell & Miller products to Eastern Canada!
McDonnell & Miller products distributed by Process & Steam Specialties
About McDonnell & Miller
A proud tradition of innovation and performance. Since its beginning in 1924, McDonnell & Miller has been a pioneering leader in providing the residential, commercial and industrial HVAC industry with the best-performing boiler and level control products. More than ninety years later, that proud tradition of quality, reliability and strong customer service continues to be the solid foundation of the company.