D&B Service Group is the service arm for D&B Building Solutions, a leading supplier of commercial and industrial HVAC systems. D&B Service Group is the exclusive provider of comprehensive Daikin Factory Authorized Service in the northern New Jersey area and offers unparalleled technical support for HVAC systems. With the combination of D&B Service Group, D&B Building Solutions, and D&B Parts, we provide our customers with complete support for all of their HVAC needs.