Design Air Conditioning Systems

Refrigeration And Air Conditioning · Level 6  ·  5 Chapters

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What Design Air Conditioning Systems covers

In this unit, you will be able to expertly design air conditioning systems by accurately assessing space requirements and calculating heat gains from various sources to ensure optimal comfort and efficiency. You will confidently prepare detailed load equipment reports, select and size the right equipment, and uphold strict health and safety standards throughout your work. By mastering these skills, you'll be ready to create effective, safe, and reliable air conditioning solutions that meet real-world demands with professionalism and care.

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Careers after Design Air Conditioning Systems

Designing air conditioning systems is a vital skill in Kenya’s growing infrastructure and industrial sectors. Whether you are working in urban high-rise buildings, modern hospitals, or expanding commercial spaces, understanding how to design efficient air conditioning systems ensures comfort, safety, and energy savings. This skill opens doors to diverse career paths and entrepreneurial ventures, giving you the power to impact Kenya’s built environment positively.

  • In the construction industry, especially within Nairobi, Mombasa, and other urban centers, skilled air conditioning designers work with contractors and engineers to create climate-controlled environments in offices, shopping malls, and residential complexes.
  • The hospitality sector, including hotels and lodges across Kenya’s tourism hotspots like Naivasha and Maasai Mara, relies on well-designed air conditioning systems to enhance guest comfort, making your expertise highly sought after.
  • In the industrial sector, companies such as KenGen and KTDA require precise climate control for their offices and processing plants, providing stable work environments and protecting sensitive equipment.
  • The matatu industry and jua kali artisans also benefit indirectly when you design systems that improve air quality and comfort in garages and workshops, boosting productivity.
  • Mastering this skill allows you to work as a technician or engineer within county government projects, supporting public facilities like hospitals and schools to meet health and safety standards.
  • You can also become an entrepreneur, offering consultancy services or starting a business that designs, installs, and maintains air conditioning systems for homes and businesses, creating jobs and contributing to Kenya’s green energy goals by optimizing energy use.
  • Understanding and applying Kenyan and international standards (KS ISO, EN) not only enhances safety but also builds your reputation as a reliable professional, increasing your earning potential and career growth.

By mastering air conditioning system design, you’re not just learning a technical skill—you’re preparing to be at the forefront of Kenya’s development, improving lives through innovation and expertise. Your future in this dynamic field is bright and full of opportunity!

Chapters

1 past paper for this unit →

What Design Air Conditioning Systems covers: 41 main topics in 5 chapters

1. Determine A/C load requirement

  1. 1.1 Identification of refrigeration space Observati A/C load
  2. 1.2 Observation of health and safety on requirement requirements
  3. 1.3 Determination of heat gain due to infiltration
  4. 1.4 Determination of heat gain due to ventilation
  5. 1.5 Determination of heat gain from occupants
  6. 1.6 Determination of heat gain from appliances
  7. 1.7 Determination of heat gain from lighting equipment
  8. 1.8 Determination of heat gain from power equipment
  9. 1.9 Determination of heat gain through ducts
  10. 1.10 W riting A/C load equipment report

2. Determine A/C equipment requirements and sizing

  1. 2.1 Identification of A/C space A/C
  2. 2.2 Observation of health and safety on equipment requirements requirement
  3. 2.3 Determination of power supply available questioni s and sizing
  4. 2.4 Determination of A/C equipment size ng
  5. 2.5 Housekeeping practices
  6. 2.6 Writing A/C equipment requirements and sizing report

3. Prepare piping and instrumentation diagrams

  1. 3.1 Identification of A/C space Observati
  2. 3.2 Observation of health and safety on instrumentat requirements ion questioni diagrams
  3. 3.4 Determination of flow rate ng
  4. 3.5 Identification of Pipe/tube sizes
  5. 3.6 Identification of Pipe/tube systems
  6. 3.7 Pressure regulation devices
  7. 3.8 Temperature devices
  8. 3.9 Pipes/ tubes dimensions
  9. 3.10 Housekeeping practices
  10. 3.11 Writing A/C equipment requirements and sizing report

4. Determine air duct sizing

  1. 4.1 Area of air duct installation
  2. 4.2 Observation of health and safety on sizing procedures questioni
  3. 4.4 Duct material ng
  4. 4.5 Duct design, shape, dimensions and size
  5. 4.6 Flow rate from the duct systems
  6. 4.7 Determination of pressure drop in duct
  7. 4.8 Housekeeping practices
  8. 4.9 Writing Air duct sizing report

5. Prepare equipment and material specifications

  1. 5.1 Observation of health and safety Observati requirements on material
  2. 5.2 Identification of materials, tools and specifications equipment questioni
  3. 5.3 Source of power ng
  4. 5.4 Modes of operations
  5. 5.5 Design conditions
  6. 5.6 Testing and commissioning equipment and materials
  7. 5.7 Writing report on equipment and material specifications S/No. Quantity Recommended Ratio (Item: Trainee) A Textbooks Comprehensive texts on design of air conditioning units 5 pieces 1:5 PowerPoint Presentations For trainer's use, covering course content and practical applications 1:25 Computers with internet connection For researching project works and drawings B & Infrastructure Lecture/Theory Room Equipped with projectors and seating for 25 trainees, ~60 sqm 1:25 Computer Laboratory Equipped w

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