Ravinia Plumbing & Heating customers rely on our team of seasoned professionals for the best in expertise and service. Family owned since 1928, we bring Chicago’s North Shore a team of licensed plumbers and EPA- and NATE-certified heating and cooling technicians. Our customers come back to us again and again due to our Professionalism: licensed state contractors with $4 million in liability insurance Trustworthiness: service professionals arrive in lettered vehicles and uniforms, and all employees undergo background checks and regular drug tests Service: call us anytime day or night, and you will speak with a real person Guarantee: 100% money-back guarantee and clear, comprehensive warranties on repairs and new installations.