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Air Conditioning Units Installation

Refrigeration And Air Conditioning · Level 6  ·  7 Chapters

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What Air Conditioning Units Installation covers

In this unit, you will be able to confidently assess and prepare any site for air conditioning unit installation, selecting the right tools and materials while strictly following safety and industry standards. You will master the skills to install, test, and hand over air conditioning systems—including hydrocarbon units—with precision and care, ensuring they operate safely and efficiently. By the end, you’ll be ready to deliver professional, high-quality installations and clear reports that showcase your expertise and commitment to workplace safety and excellence.

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Careers after Air Conditioning Units Installation

Air conditioning unit installation is a valuable skill that opens doors to numerous practical and rewarding opportunities across Kenya. Whether in bustling urban centers or growing towns, skilled installers are essential for creating comfortable living and working environments. Mastering this skill means you can confidently step into roles that are in high demand, or even start your own business serving diverse clients.

  • Jua Kali Sector: Many skilled artisans run their own air conditioning installation and repair businesses, serving households, offices, and small industries. This sector offers a chance to be your own boss and build a steady income.
  • Construction Sites and Real Estate Developers: New buildings in Nairobi, Mombasa, and other cities require professional installation of air conditioning units. Working with construction companies or real estate firms like Cytonn or Housing Finance can provide stable employment.
  • Hospitality Industry: Hotels, lodges, and resorts across Kenya—from Nairobi to the coast—constantly need air conditioning experts to install and maintain units, ensuring guest comfort and satisfaction.
  • County Governments and Public Institutions: County works departments and public offices often upgrade their facilities with air conditioning systems, creating jobs for skilled technicians.
  • Energy and Manufacturing Companies: Firms such as KenGen and large agribusinesses like KTDA require climate control solutions in their offices and processing plants, providing career opportunities in technical maintenance teams.
  • Matatu Industry and Commercial Transport: Some matatu owners and transport companies invest in air conditioning systems for passenger comfort, creating niches for installers and maintenance experts.

Mastering air conditioning installation not only equips you with a technical skill that is in demand but also empowers you to create a sustainable career, whether through employment or entrepreneurship. Your expertise will keep homes and workplaces cool, comfortable, and productive—making a real difference in people’s daily lives across Kenya. Keep learning and honing your craft; your future in this growing field is bright!

Chapters

1
Conduct site survey
18 topics
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2
Install electrical wiring for Air Conditioning units
11 topics
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3
Install A/C units
13 topics
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4
Pressure test A/C unit
3 topics
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5
Evacuate A/C unit
5 topics
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6
Charge A/C unit
9 topics
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7
Conduct site survey
7 topics
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What Air Conditioning Units Installation covers: 64 main topics in 7 chapters

1. Conduct site survey

  1. 1.1 Types of PPE
  2. 1.2 Safe and correct handling, use, maintenance and storage of different types of PPE
  3. 1.3 Hazards associated with Air Conditioning Units (including hydrocarbons)
  4. 1.4 Classes of fires and fire extinguishers
  5. 1.5 Risk assessment
  6. 1.6 Investigation of accident/incident
  7. 1.7 Risk/accident/incident reporting process
  8. 1.8 First Aid
  9. 1.9 Relevant legislations
  10. 1.10 Air conditioning Installation Requirements
  11. 1.11 Air circulation/ventilation requirements
  12. 1.12 Drain disposal requirements
  13. 1.13 Power supply requirements
  14. 1.14 Wall and floor finishing
  15. 1.15 Provision for serviceability
  16. 1.16 Tools equipment and materials needed in installing Air conditioning Units
  17. 1.17 Free hand sketching
  18. 1.18 Site survey report

2. Install electrical wiring for Air Conditioning units

  1. 2.1 Identification of symbols
  2. 2.2 Interpretation of wiring diagrams
  3. 2.3 Wires and cables used in electrical wiring
  4. 2.4 Ensure no switches within 3m of the unit
  5. 2.5 Types of socket outlets, switches and switch boxes used in electrical wiring
  6. 2.6 Enclosures and their conditions for use
  7. 2.7 Identifying wall plugs and masonry bolts
  8. 2.8 Drilling into masonry and wood work using portable drills
  9. 2.9 Marking out and levelling using spirit level
  10. 2.10 Use of measuring instruments
  11. 2.11 Testing electrical circuits

3. Install A/C units

  1. 3.1 Interpretation of schematic drawings
  2. 3.2 Types of air conditioning Units
  3. 3.3 Types of Air Conditioning Unit Components
  4. 3.4 Types of refrigerants (including hydrocarbons)
  5. 3.5 Types of lubricants
  6. 3.6 Sealants and insulation materials
  7. 3.7 Fastening devices
  8. 3.8 Types of PVC drain pipes and fittings
  9. 3.9 Safety practices o EN 378 o ISO 5149 o EN 13313 standards
  10. 3.10 Air conditioning installation procedure
  11. 3.11 Installation of Hydrocarbon units

4. Pressure test A/C unit

  1. 4.1 Pressure strength test
  2. 4.2 Pressure tightness test
  3. 4.3 Applicable ISO standards KS ISO 5149-2:2014 Para 5.3

5. Evacuate A/C unit

  1. 5.1 Identifying A/C unit for evacuation
  2. 5.2 Health, safety and environmental requirements
  3. 5.3 Tools, equipment and instruments
  4. 5.4 Evacuation Procedure
  5. 5.5 Housekeeping practices

6. Charge A/C unit

  1. 6.1 Identifying Air Conditioning unit to be charged
  2. 6.2 Identifying relevant refrigerant
  3. 6.3 Health and safety requirements and standards
  4. 6.4 KS ISO 5149-4:2014
  5. 6.5 ISO 22712
  6. 6.7 Air Conditioning Charging Procedure
  7. 6.8 Hydrocarbon charging (R290, R600a)
  8. 6.9 Housekeeping practices
  9. 6.10 Preparing Air Conditioning charging

7. Conduct site survey

  1. 7.1 Conducting leakage tests
  2. 7.2 Testing of temperature settings
  3. 7.3 Measurement of current and voltage
  4. 7.4 Sound and vibration checking
  5. 7.5 Checking the operation of air conditioning system within acceptable standards
  6. 7.6 Commissioning and handing over procedures
  7. 7.7 Report writing The delivery may also be supplimented and enhanced by the following, if the opportunity allows; Quant Recommende . ity d Ratio (Item: Trainee) A Learning Materials

Practise this unit

The practical 78 The assessment itself: tools, materials and the marks Step-by-step guide 78 PPE, each step, what good looks like, common mistakes

Revise this unit

Exam-style questions 98 Written to CDACC standard, with answers Test yourself 196 Multiple-choice, one at a time Practise questions 124 Quick recall — check you know the facts
3 more for this unit
Oral exam preparation 47 What the assessor asks, and how to answer out loud Worked calculations 21 Step-by-step maths with the common mistakes Quick cards 978 Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator 5 On site, what would you do? Workplace scenarios 81 Real site situations — what would you do? Turn this into income 48 Where this skill earns — what to charge, how to find clients

Other units in Module II