D&B Service Group

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.


After your new equipment is installed, but before it is commissioned or becomes operational, a factory authorized D&B HVAC professional will work on-site to perform all startup services. Our technicians have access to the latest training and service tools to ensure optimal HVAC performance and operation on each and every jobsite.

D&B Building Solutions
D&B Building Solutions


Our technicians are factory-trained and experienced to support our manufacturers’ warranties, so your repairs are handled by experts who are partnered with the company that built your system, not a third-party vendor. With our in-house parts department, OEM replacement parts are available in stock or with overnight delivery in emergency situations. Extended warranties are also available on qualified units to provide even greater protection.


A well maintained HVAC system runs more efficiently, providing consistent comfort and reduced energy bills. Additionally, regular maintenance can identify a problem and prevent breakdowns. If you want to lock in priority service response, preferred hourly rates and discounted maintenance and repair parts pricing, a customized maintenance contract can be tailored to meet your budget and your system’s specific needs.

D&B Building Solutions
D&B Building Solutions


If your HVAC system fails when you need it most, you can count on the reliable services of D&B Service Group. Our HVAC experts can solve your equipment’s issues quickly and effectively. We know that a malfunctioning system in need of repair can be both uncomfortable and expensive, so we do everything we can to get you back up and running efficiently. Whether you’re in need of specialized repairs or an entire system replacement, there is nothing our team can’t handle.


D&B offers our customers assistance in managing their comprehensive HVAC retrofit projects on a turnkey basis. We understand the responsibilities and challenges involved in designing, managing and executing highly complicated and demanding retrofit projects that require a significant degree of detail and coordination. By managing the entire project, D&B provides our customers with a single source of responsibility that incorporates all aspects of the project. Having a single source reduces cost associated with managing multiple building trades. D&B coordinates all activities and communicates directly with our customer, acting as their extended management team.

D&B Building Solutions

D&B Service Group Brochure