This tender invites qualified firms to undertake the replacement and repair of HVAC systems at Jinnah International Airport Karachi, managed by the Pakistan Airports Authority. The scope includes replacing a burnt-out compressor in the operation hall at the new transmitting station and faulty electronic PCB cards of 08 TR AC units at the state lounge. The work demands technical expertise in HVAC systems and familiarity with airport infrastructure to ensure minimal disruption to airport operations. The site is located at a major international airport in Karachi, requiring contractors to manage engineering challenges such as working within operational zones and adhering to strict safety and security protocols. The replacement parts and repairs must meet high standards to maintain the airport's climate control efficiency and passenger comfort. Bidders must be registered with the Pakistan Engineering Council in Financial Category C-6 or above, with specialization ME-01, and be on the Active Taxpayers List of the Federal Board of Revenue. Compliance with PEC and FBR requirements for the 2025-26 financial year is mandatory. Ensure your firm's credentials and tax status are up to date to avoid disqualification. The submission deadline is on the 19th of January 2026, with bid opening scheduled at 11:30 AM the same day. Bids must be submitted electronically via the EPADS portal, with physical bid security in original form delivered to the office of the Sr. Joint Director (HVAC), Room # 3076, Jinnah International Airport Karachi before the deadline. Pro-Tip: Carefully review the bid security requirements and ensure the Call Deposit Receipt (CDR) or pay order is genuine and valid. Fake or dishonoured financial instruments can lead to blacklisting and legal action, so double-check these documents before submission.