Sitarun HVAC Contractors


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Sitarun HVAC Contractors strongly focuses in employing qualified technical persons and in adopting the latest technology to achieve the best and most practical result for our clients. Our expertise in the field helps the customer to save money in capital expenditure and also results in maintaining low running cost.

Sitarun HVAC Contractors specializes in:

  • Design, supply, Installation and commissioning of HVAC systems.
  • Load Calculation, Machine Selection and Engineering drawings.
  • Air Conditioning and ducting design for offices and restaurants.
  • Climate control of large warehouses (temperature & humidity).
  • Annual Maintenance of Air Conditioning.
  • HVAC Trouble shooting and consultancy.
  • Fresh Air and Air Conditioning Ducting.
  • Valve packages, flushing and chemical testing of chiller lines.
  • Health check and Comprehensive Maintenance of chillers & other HVAC Systems.

  • Design and Engineering

    The Designand Engineering wing is equipped with modern Computer Aided (CAD) and drafting with wide range of computer digitizers for speedy preparation of the design and rawings to meet International Standards. Manned by qualified and experienced design staff, highly detailed drawings are being produced in house.

    Our Design Team Comprise,

    Air conditioning Design Engineers & Highly skilled Draughtsman


    Drawing Preparation Procedure (General Checklists)

    1. A proper “ DRAWING TITLE” (which will be easily understandable by anybody) has to be given
    2. Also a typical pattern to be followed in all the drawings for all project drawings
    3. Revision No. to be correct and no repetition should be allowed
    4. Description of the revision should be mentioned in a simple manner
    5. If possible a affection (Keys) plan can be shown in drawing for easy location
    6. Legend should be shown only for the items which used in the drawing, unwanted things will create confusion to the reader
    7. Before starting the drawing work a detail study has to be carried out to understand the system
    8. The original design drawing should be studied / followed and any inclusion or exclusion of service to be drafted only after discussing with the concerned Engineer
    9. Before releasing the check print co ordinate with all other services

    HVAC Drawing Check List

    1. Check Drawing No. / Rev No. and title as per Drawing List
    2. Check equipment dimensions and schedule as per approved submittal
    3. Check over lapping of ducts / pipes co ordinate levels
    4. Check insulation thickness
    5. Maintenance access for equipment
    6. Check thermostat Location
    7. Reference tender drawings to be added
    8. Bottom level of all ducts
    9. Settings out dimensions for diffuser, ducts
    10. VCD, FD, BDD, NRD shows as per requirement
    11. Check duct sizing as per tender drawing /Cfm/ L/s
    12. All levels co ordinate with other services
    13. All diffusers / grills location as per reflected ceiling layout
    14. Check bottom level of units / grills / louvers
    15. Check access door location for dampers / units

    COMMISSIONING OF THE SYSTEM

    On ensuring the procedure and proposals by the manufactures in accordance with the manufacture and consultant requirement. The commissioning team will proceed the following:

    1. The commissioning team will test the following with the manufacturer representative and record the readings.
      1. Indoor Units
      2. Outdoor Units
      3. Fans
      4. Electrical Checks (Switch boards/DB)
      5. Automated controls (Building Management System)

    2. The commissioning team will start the regulating and Air balancing activities once the pre-commissioning is accepted and approved by Consultant.
    3. On competing the above work, the commissioning team will carry out the full performance test to achieve design parameters.
    4. Documentation in the approved test formats of the test results will be recorded and submitted to the consultant after theirwitness.

    5. SERVICE MANAGEMENT:

    6. SITARUN COMMISSIONING TEAM Service Management includes experienced Staffs with full knowledge of the products.
    7. SITARUN COMMISSIONING TEAM renders its immediate services team will available round the clock in service.
    8. Keeping customers satisfaction and need in mind the well prepared service team will available round the clock in service.
    9. Spare for the equipment will always kept in stock in order to meet the customers immediate requirements.

    TESTING AND COMMISSIONING

    We have a dedicated commissioning team formed to specifically meet the increasing demand of the design and commissioning of HVAC equipment, which are becoming very essential in these days to achieve the sophisticated strictly controlled parameters.


    1. Commissioning Staffs & Work Force:

      1. Most of the consultant in the world recommend an effective and capable Testing Team to meet the project designed parameters at the scheduled time. We have the experienced commissioning Engineer, Supervisors, commissioning all types of Building Engineering Services (both in Residential & Commercial).
      2. Keeping customer service in mind and utilizing the companies resources, our commissioning team has kept the pace with the increasing standard of quality, by constantly updating the instrumentation with latest technologyand having them periodically calibrated.
      3. They have proved their ability to maintain quality and completion of volume of project with proper planning and execution, taking in to account all the factors such as installation progress, completion etc.

    2. Commissioning Management Activities:

    3. Commissioning management involves step by step in various activities of installation and execution. These activities will be carried out in parallel with the site progress including any variation in specification throughoutthe contact period

    Installation Checks For Commissioning

    1. Prior to start, the following are the checks will be carried out by Commissioning TeamInstallation check on the equipment, control device, regulating devices i.e. Dampers in ducts , VAV’s etc.
    2. Installation in accordance with the Drawing and Manufacturers recommendations.
    3. Access to the equipments to carryout the proper commissioning
    4. Obtaining of details of equipments and As Built Drawings.