This tender invites qualified suppliers and service providers in Karachi to undertake routine maintenance of air conditioning units installed at various National Telecommunication Corporation (NTC) sites. The scope covers regular servicing to ensure optimal performance and longevity of HVAC systems critical for uninterrupted telecommunication operations in Karachi. The maintenance work involves skilled technical interventions on AC units across multiple locations within the city. Service providers must be adept at handling diverse AC models and should ensure minimal downtime during servicing. The sites are strategically important, requiring adherence to safety and operational protocols while working in sensitive telecommunication environments. Bidders should be registered with the Federal Board of Revenue (FBR) and possess relevant experience. It is advisable to verify PEC registration and ensure compliance with the latest FBR Active Taxpayer List (ATL) requirements for the fiscal year 2025-26. Maintaining valid documentation and Call Deposit Receipt (CDR) as Earnest Money will be essential for bid acceptance. The submission deadline is set for the 11th of February, 2026, with electronic bids to be submitted via the EPADS portal before 11:00 AM. Bid opening will occur the same day at 11:30 AM. All submissions must strictly follow the e-bidding process; manual bids will be rejected. The physical address for correspondence is the Regional Headquarters (South), Malir Halt, Karachi. Pro-Tip: Ensure to review the detailed terms and conditions on the EPADS portal carefully, especially the notification of the Grievance Redressal Committee (GRC) under PPRA rules, to avoid common pitfalls related to bid documentation and compliance.