G PTAC HVAC Corp, is a full-service heating and cooling contractor specializing in the design, installation and servicing of PTAC, central air conditioning, heating, ventilation systems, makeup air systems and commercial refrigeration systems in New York City. Our team has been serving the Manhattan for over 15 years. We serve the entire Manhattan area including, but not limited to, Queens, Brooklyn, Manhattan, Bronx, Staten Island, Long Island, Suffolk County, New York city.