Tri-County Installations-Plumbing & Heating Inc has been providing exceptional service to Nassau County homeowners & business owners for thirty years. Call us for all of your air conditioning, plumbing, heating, and water filtration needs. Baths, kitchens, asbestos removal, backflow preventers installed and tested, licensed, insured and bonded. We accept all types of credit cards. Serving all of Nassau with professional workmanship & pride!