Founded in 1971, P.J. Mechanical Building Services LLC has grown from a small family business into a leading HVAC and construction services provider in New York City. Founded by Peter Pappas Sr., the company originated as a response to the burgeoning demand for air conditioning in the post-war era. With a commitment to client satisfaction and a hands-on approach, P.J. Mechanical cultivated a reputation for dependability and excellence early on. Over the decades, the company expanded its services beyond standard HVAC installations to include complex commercial systems, energy conservation, indoor air quality solutions, and maintenance. P.J. Mechanical has been actively involved in significant projects such as the World Trade Center site and many iconic buildings in NYC, showcasing their capability to handle large-scale tenant projects and renovations. Constantly evolving to meet the changing needs of their clients, the company has also branched out into related ventures, including Delta Sheet Metal and Expert Insulation. Today, P.J. Mechanical stands as a trusted partner in the HVAC sector, dedicated to providing quality service 24/7 and ensuring lasting relationships with clients, many of whom have relied on their expertise for over fifty years. Emphasizing their core values of integrity, professionalism, and customer service, P.J. Mechanical’s mission is to be the indispensable partner for premier HVAC installation and service experiences, fostering comfortable and efficient environments for all their customers.