HI TECH PTAC SERVICES INC. provides specialized HVAC services HVAC for residential and commercial customers throughout Manhattan, Brooklyn, Queens, Nassau and Suffolk Counties. Specializing in HVAC, emergency service and repairs, we have assisted numerous customers with maintaining a comfortable atmosphere for their home or business. We offer quality HVAC services to customers in Queens and throughout New York City and Long Island. We offer free estimates on new installations and HVAC services in Queens. We welcome second opinions on major repairs. We specialize in preventive maintenance, service agreements, and 24 hour emergency service for major repairs. Our highly trained and certified HVAC technicians offer prompt and professional HVAC service that you can count on in Queens and the surrounding areas.New York, Manhattan, Brooklyn, Queens.