Wall Heating & Air Conditioning has been providing heating and air conditioning services in Lawrenceville since 1996! We are licensed, insured, and feature an impressive A+ Rating by the BBB. For an experienced HVAC contractor in Lawrenceville that you can trust, call us today! We are a family–owned and operated business and offer 24/7 emergency services for residents in the greater Lawrenceville, Alpharetta, Lilburn, and Duluth area and more.