Langille's Plumbing & Heating Limited is a leading service company working on residential, new construction and commercial buildings. Langille's specializes in: plumbing - installation & repair, pumps, water treatment & UV light systems. heating-installation & repair (geothermal, solar, radiant in-floor, heat pumps, boilers & steffes etc) and ventilation (HRV - Heat Recovery Ventilation). 24 Hours, 7 Days a week service - We never close! Your plumbing problems don't stick to a schedule, so why wait for a solution?