This tender invites bids for repairing, maintenance, and servicing of air conditioners at the Board of Secondary Education Karachi, located in Nazimabad, Karachi. The scope covers a wide range of HVAC services including gas filling, monthly and annual servicing, installation, shifting, dismantling, and replacement of parts for window, split, and floor mount air conditioners. The work requires skilled technicians with Diploma in Refrigeration and Air Conditioning to ensure all equipment is maintained in perfect running condition within the Board's premises. The contract demands adherence to strict quality standards and timely service delivery, with a minimum completion period of one month after contract award. The site is in Karachi, where climatic conditions necessitate reliable air conditioning systems. The bidder must be prepared to handle emergency calls promptly, with penalties for delays. The contract also includes maintenance of water coolers, deep freezers, and reverse osmosis plants, emphasizing comprehensive facility upkeep. Bidders should ensure they meet eligibility criteria including a minimum turnover of PKR 4.5 million over the last three years, valid registrations with EPADS, FBR, and SRB, and submission of bid security and tender fee. Compliance with PEC categories and FBR/ATL registration is essential for smooth processing. The contract follows Sindh Public Procurement Rules-2010 (Amended 2025), and bidders must submit a single sealed envelope containing both technical and financial bids. The submission deadline is set for Monday, 09 February 2026 at 02:00 PM, with bid opening at 02:30 PM on the same day at the Board of Secondary Education Karachi office, Nazimabad. Bidders must submit two copies of their bids, including one soft copy on the EPADS portal and one hard copy in a sealed envelope. The office address for submission is Room No. 33, 1st Floor, Block-B, Board of Secondary Education, Nazimabad Karachi. Pro-Tip: Make sure to carefully attach the price list of consumable parts with your bid documents, as bids without this list will be rejected. Also, verify the validity of your bid security and tender fee pay orders to avoid disqualification. Always check the newspaper ad for any specific stamp duty or documentation requirements that are often overlooked.