Blue Star Air Conditioning NYC. Our expert air conditioning and heating installation to our speed repairs, we provide top-notch services for your entire home comfort system. Emergency HVAC Services - Indoor Air Quality - Duct cleaning & Installation & Repair & Replacement - Commercial AC Maintenance - HVAC/R Preventive Maintenance. We have a 24/7 help services Manhattan, Brooklyn, Long Island, Staten Island, Queens, NoHo, Soho, New Jersey, Bronx and Williamsburg in New York.