Our goal is to treat every request with the highest priority and to meet them with expediency. This approach has resulted in an extensive list of long-term customers. Our staff of HVAC Parts Specialists can help identify the parts or units you need and deliver them quickly. D&B can also supply a full line of PTAC’s, water source heat pumps, and fan coils. Call D&B first, and you will get the right parts and equipment at the best possible price, GUARANTEED!