Duct Cleaning                             The Home Comfort Experts For nearly 50 years Protech Northland Heating and Cooling has been a leading provider of home energy systems and services to residents of the greater Columbus area. We are a Premier Dealer with Lennox, and we have NATE Certified Technicians.   Commercial, Residential Design, Sales, Service & Installation NORTH & SOUTH 268-3933 EAST 235-5332 WEST 274-0920 694 Moon Road - Columbus, Ohio 43224 Email us at: sales@protechnorthland.net   (Click Here - for staff e-mail login)