Welcome to Ardent Heating, Air Conditioning & Water Treatment Specialists serving Barrie, Ontario including Innisfil, Alcona, Oro, Midhurst, Springwater and Angus. Ardent Heating, Air Conditioning & Water Treatment Specialists is your one stop shop for all your furnace, fireplace, air conditioning, indoor air quality and water treatment needs. We service, sell and install furnaces, fireplaces, air conditioners, indoor air quality products and water treatment systems. We are locally owned and operated with a full showroom for your convenience. Live attendants are manning our phones 24 hours a day, 365 days a year.