We provide expert leakage testing and repair services for wall-mounted or cassette AC units (3 to 4 Ton) using nitrogen gas, ensuring your AC operates safely, efficiently, and reliably in larger spaces. Our trained technicians accurately identify leaks in refrigerant piping and connections, performing precise repairs to restore optimal cooling performance. Services Include: Pressure testing of refrigerant lines using nitrogen gas Detection of leaks using professional diagnostic tools Repair or replacement of faulty pipes, joints, or connections Post-repair testing to confirm leak-free operation Ensuring overall AC safety and efficient performance ✅ Benefits of Professional Leakage Testing: Prevents refrigerant loss and protects the environment Maintains cooling efficiency for large AC units Reduces the risk of costly future repairs Complies with manufacturer standards and warranty requirements Ideal for large offices, shops, restaurants, and commercial spaces using 3–4 Ton AC units.