What is a commercial or industrial air conditioning system and how does it work?

Industrial Chiller Rentals

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Services – What We Do for You

Making use of our team’s extensive experience and sound expertise, we provide a wide range of maintenance, repair and consultancy services to our clients in the refrigeration and air-conditioning industry, both in South Africa and other countries in Africa.

Chiller & AirCon provide Maintenance services

Equipment Maintenance Service

Regular maintenance of your equipment is non-negotiable if you want to enjoy years of trouble-free operation. We offer you peace of mind by means of our tailor-made Maintenance Contracts for all types of refrigeration and air-conditioning equipment and systems.

Equipment Repair Service

Whenever you experience system and machinery break-downs, we are available to help you with:

  • Repairing and reconditioning machine components
  • Supplying and fitting new parts

Consultancy Services

Our consultancy services include the following:

Chiller advisory services: -

  • Proposals and quotations
  • Design of cooling systems
  • Design of control systems
  • Technical drawings
  • Equipment reports
  • Technician training
  • Commissioning new systems
  • Problem solving
  • Advising on new developments in the industry (equipment and designs)
  • Advising on the application of “green” technology
  • Heat load calculations

Air-conditioning advisory services: -

  • Ducting layout
  • Positioning of units
  • Unit selection – air/water cooled, splits, rooftop, chiller, package
  • Water piping layout and design
  • Temperature control – DRV, DAV, constant airflow, reheated systems, heat recovery
  • Pressurised production areas
  • Airlocks (man trap)
  • Clean rooms
  • Computer server rooms - down blow units, blade service units

Chiller Proposals and Quotations

In order to draw up a proposal and quotation for you, we first need to assess your needs. We will ask you for the answers to the following questions:

  • Chiller process and application
  • Capacity
  • Temperature ranges
  • How cold must the water be?
  • Required flow rate of fluid/water
  • Type of fluid – water, glycol, freezing brine
  • Composition of product to be cooled down
  • Mass/weight of product
  • Time frame for cooling
  • Water availability
  • Power availability
  • Budget
  • Semiconductors
  • Address and contact person for site visit

Cooling system design

We can design systems incorporating:

  • Chillers
  • Pumps
  • Pipe sizing
  • Water/piping/tank layout
  • Cooling towers

Expert commissioning of chillers

When commissioning chillers, we follow this procedure:

  • Assist with installation of equipment
  • Mechanical and electrical fault finding
  • Rectify faults or submit report
  • Start system
  • Balance water
  • Set controls
  • Check unit efficiency
  • Check UMT efficiency
  • Complete detailed commissioning checklist
  • Hand over equipment to client

Chiller equipment reports

These are the steps we follow in compiling an equipment report:

  • Visit plant and inspect equipment
  • Strip equipment if necessary and inspect
  • Take readings and/or measurements
  • Evaluate equipment
  • Take detailed photographs of plant and equipment
  • Analyse data collected
  • Write comprehensive equipment report

Problem solving in the HVAC/refrigeration environment

We specialise in solving the following kinds of problems:

  • Ineffective systems
  • Failure of equipment
  • Incorrect operation
  • Wrong equipment for the application
  • Design faults
  • Outdated controls

In addition, we can help with:

  • Replacing discontinued equipment
  • Assisting contractors and technicians in diagnosing problems
  • Changing to higher standards of workmanship
  • Determining the causes of equipment failure

Africa advisory services

As required, we will provide all of our consultancy services in any African country.
We operate in all industries, especially:

  • Food and beverage
  • Mining
  • Cold storage
  • Air-conditioning
  • Process cooling

New industry development

We can give expert advice regarding:

  • Current international trends
  • New trends
  • CAREL controls
  • Compressors – all types
  • Heat recovery systems
  • Improving COP
  • Energy conservation
  • Improving your equipment