This tender invites qualified contractors to provide, install, and replace old deteriorated air-conditioning units at various operational areas of Multan International Airport under the Pakistan Airports Authority (PAA). The scope includes premium quality cassette type, floor standing, and split type wall-mounted AC units with DC inverter technology suitable for T3 climate conditions. The work covers lounges, essential facilities, masjid, and offices, ensuring energy efficiency and compliance with technical specifications. The project requires contractors licensed by the Pakistan Engineering Council (PEC) in category C5 or above with specialization ME-01. The contract duration is 180 days from the written order to commence. Bidders must submit bids electronically via the EPADS portal and provide original bid security of PKR 1 million in a sealed envelope before bid opening. The contract includes supply, installation, testing, commissioning, and warranty of all equipment and materials, including refrigerant piping, electrical wiring, and dismantling of old units. Compliance with PEC registration, active taxpayer status, and no blacklisting affidavit is mandatory. The contractor must adhere to PAA's HSE manual and safety regulations, including site inspections and coordination with the Divisional Engineer. The bid validity is 120 days, and performance security of 5% of contract price is required upon award. Mobilization advance up to 10% may be granted with bank guarantee. Submission deadline is on 31st March 2026 at 11:00 AM, with bid opening at 11:30 AM on the same day via EPADS. Physical submission of original bid security is mandatory before bid opening. The office of the Divisional Engineer ES E/M at Multan International Airport is the contact point for bid submission and clarifications. Pro-Tip: Ensure timely submission of original bid security in sealed envelope as non-compliance leads to outright rejection. Also, carefully review the technical specifications and provide all required supporting documents to avoid disqualification during technical evaluation.