K2D is a professional mechanical, plumbing, and electrical engineering firm, which has been delivering outstanding services in California, Arizona, Washington, Colorado, and Nevada for several years. We have a team of LEED accredited licensed engineers, who are committed to delivering supreme quality engineering design and custom services to clients. As one of the top engineering consulting firms in Los Angeles, K2D offers integrated design services for HVAC, plumbing, fire protection design, energy conservation, LEED and commissioning. Known for its energy efficient and detailed drawings and in comprehensive coordination, the firm is led by Arash Khalifeh, and has maintained these high standards throughout its evolution from a small family firm to a respected firm in the industry