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Electric Works & HVAC


One stop shop does everything for your HVAC needs whether it is Window or Split Package or industrial Air Conditioning & Heating system. We can provide support and services.

We are specialist HVAC & Refrigeration Engineering Contracting Company providing our services to the onshore, offshore and marine industries in Pakistan.

Our services include system verification surveys, conceptual design engineering. We can also provide detailed design engineering, CAD design services, production of complete engineering documentation packages, including basis of design, system design calculations, work packs, method statements with the help of our consultant and international partners.

Following completion of detailed design, we supply all required equipment and materials for installation, which is undertaken by our own highly experienced installation personnel.

At ZIA HVAC division we can provide on turnkey basis HVAC jobs for camps, kitchen, mess, cold room and offices. We can provide residential / commercial HVAC work. Whether you need to upgrade your old window air-conditioning unit to central HVAC system, our knowledgeable staff can provide services to you from design, procurement and installation. We offer sales, repair, maintenance and services of all types of heating and air conditioning systems.

Our residential and commercial services



  • Central Air-conditioning and Heating system
  • Split system, Roof Top, Hanging Package and SCAV unit
  • Cold Room / Ice Factory / Cold Stores
  • Refer Trucks / Trailers
  • Duct Work
  • Air cleaner
  • Humidifier & Dehumidifier
  • Window Units services and installation
  • Energy Management as per consultant and client advices.
  • Mechanical / Electrical & HVAC Engineer available for Planning, drawing, filing and expedition


  • In addition to our services outlined above, we can also, in association with our partner companies, provide 'turnkey' packages incorporating architectural design & fit out electrical engineering, piping, plumbing, module design and fabrication, instrumentation and controls, fire & gas engineering and structure design.

    Electrical Engineering



    ZIA has been providing electrical engineering services for over 20 years. Our professionals take seriously their obligation to perform as per consultants, drawings and specifications. We listen to our clients and discuss with them the expectations and needs specific to the project. After considering the alternatives, we then propose an electrical engineering solution appropriate for the applications. We are also registered with PEC as C1 in electrical category. We undertake electrical engineering services, such as making electrical panels, distribution boards, electrification of camps, houses & providing necessary maintenance and repair services and power generation and electrification on turnkey basis. We are also working with international companies to promote environment friendly & clean energy. Electrical

    Civil Construction
    Power Generation
    Road Works
    Industrial and Commercial Constructions
    Mechanical Fabrication Of Mud Tanks for Oil & Gas
    Cross Country Pipelines for Oil & Gas Shutdowns
    Electric Works & HVAC


    • S. Zia-Ul-Haq & Sons


      C-127, Block-9, Gulshan-e-Iqbal,
      Karachi, Sindh, Pakistan
      UAN No: 111-123-127
      Ph No: 92-21-34818851-5
      Fax: 92-21-34993856
      Email: ziaulhaq@cyber.net.pk
                 zakir@zias.com.pk

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