Level 3 Heating, Ventilation & Air Conditioning (HVAC) Technician

Overview

From towering office blocks to smart homes and industrial facilities, HVAC systems keep modern life running comfortably. With the UK’s construction and building services market growing year after year, qualified HVAC professionals are more valuable than ever. So, join our HVAC Technician training where you’ll get to learn to select building components and calculate energy needs to maintain HVAC units while working on residential, commercial, or industrial projects and much more.

This course is designed to take you from the basics of heat flow and ventilation to advanced system selection, cooling load calculations, psychrometrics, and HAP software integration. You’ll not only learn how HVAC systems function, but you’ll also know how to design, troubleshoot, maintain, and optimise them for performance and efficiency.

So if you’re ready to break into an industry that blends technical precision with practical problem-solving, enrol today in our CPD Certified CPD Accredited Level 3 Heating, Ventilation & Air Conditioning (HVAC) Technician course and start building your future as a trusted HVAC Technician!

Curriculum

Module 01: Introduction to Heating, Ventilation & Air Conditioning (HVAC)
Module 02: Basic Concepts in HVAC
Module 03: Heat Flow
Module 04: Psychrometrics
Module 05: HVAC Psychrometrics & Psychrometric Chart
Module 06: Psychrometric Processes (Air-Conditioning Processes)
Module 07: Introduction to Cooling Load
Module 08: How to Find U Value
Module 09: How to Find CLTDc Value
Module 10: External Cooling Load Calculation
Module 11: Internal Cooling Load Calculation
Module 12: Cooling Load Calculation (E20 – Excel Form)
Module 13: Getting Familiar with HAP
Module 14: Defining Weather Properties
Module 15: Creating Schedules
Module 16: Defining Walls and Partitions
Module 17: Defining Roofs, Ceilings and Floor
Module 18: Defining Windows and Doors
Module 19: Defining Shades
Module 20: Creating Spaces
Module 21: Selection of HVAC System
Module 22: HVAC Systems
Module 23: Heating Systems
Module 24: Air Conditioning Systems for HVAC Technicians
Module 25: Ventilation and Indoor Air Quality
Module 26: How Plate Heat Exchangers (PHEs) Work
Module 27: Plates and Gaskets in PHEs
Module 28: Varying Cooling Capacity and Flow Types
Module 29: Assembly, Disassembly and Maintenance of HVAC Systems
Module 30: Fire Safety Legislation and Measures
Module 31: Fire Emergency and Evacuation Procedures

Key Learning Outcomes

Understand HVAC principles, heat flow, and psychrometrics
Perform accurate cooling load calculations and thermal analysis
Use psychrometric charts and apply real-world air-conditioning processes
Gain industry standard knowledge of HAP software and Excel-based calculations
Learn how to define and optimise building elements like walls, roofs, and windows
Explore heating systems, air conditioners, and ventilation setups in depth
Understand the function and maintenance of plate heat exchangers (PHEs)
Apply fire safety legislation and emergency evacuation procedures to HVAC contexts

Designed to give you a competitive edge in the job market, this course offers lifetime access to materials and the flexibility to learn at your own pace, from the comfort of your home.

Why Choose Us?

Instantly accessible CPD-accredited certificate on successful completion of this course
Get a free student ID card with this Diploma
24/7 access to the course for 12 months
Study at your own pace
No hidden fees or exam charges
Full Tutor support on weekdays (Monday – Friday)
Efficient assessment and instant results

Who Is This Course For?

Aspiring HVAC technicians and mechanical engineers
Building maintenance professionals and facilities managers
Technical apprentices and career changers in the construction or energy sectors
Anyone working in property development, M&E contracting, or system design
Individuals looking to upskill in commercial or residential HVAC installation

CPD Certification

Upon successful completion of the final assessment, you will get a chance to order a CPD-accredited certificate confirming your achievement. This certificate is available in PDF as well as hard copy format, which will be ideal for adding to your professional portfolio or CV.

Order your certificate from here: Order Now!

Assessment

The course concludes with a multiple-choice quiz designed to test your knowledge from the modules. You’ll need to achieve at least 60% to pass. Once passed, you can instantly download your certificate. Optional written assignments are also provided to help reinforce key concepts, with expert tutor feedback available on submission.

Description

This HVAC Technician course provides a comprehensive introduction to heating, ventilation, air conditioning systems, and load calculations. Master the science and systems behind climate control with this in-depth HVAC technician course. From heat flow to psychrometrics, cooling loads to system assembly, you’ll gain expert-level HVAC knowledge step by step.

Module 01: Introduction to Heating, Ventilation & Air Conditioning (HVAC)
Explore the purpose and scope of HVAC systems and understand their role in maintaining indoor air quality and thermal comfort in residential and commercial settings.

Module 02: Basic Concepts in HVAC
Learn essential HVAC concepts, including thermodynamics, fluid mechanics, and energy transfer, that form the foundation of system design and performance.

Module 03: Heat Flow
Understand the principles of heat transfer—conduction, convection, and radiation—and their significance in HVAC system efficiency.

Module 04: Psychrometrics
Delve into the science of air properties by exploring temperature, humidity, and moisture content in HVAC air conditioning processes.

Module 05: HVAC Psychrometrics & Psychrometric Chart
Learn how to read and interpret the psychrometric chart, a key tool in HVAC system analysis and optimisation.

Module 06: Psychrometric Processes (Air-Conditioning Processes)
Explore key psychrometric processes such as heating, cooling, humidification, and dehumidification within HVAC air treatment.

Module 07: Introduction to Cooling Load
Gain insight into the components of a cooling load and why accurate calculations are crucial for HVAC system sizing.

Module 08: How to Find U Value
Master the calculation of U-values to assess thermal transmittance and improve insulation performance in HVAC design.

Module 09: How to Find CLTDc Value
Learn how to calculate the Corrected Total Equivalent Temperature Difference (CLTDc) for precise cooling load estimation.

Module 10: External Cooling Load Calculation
Understand how to determine the impact of external heat gains from walls, roofs, and windows in HVAC planning.

Module 11: Internal Cooling Load Calculation
Analyse internal heat sources such as lighting, equipment, and occupancy to accurately evaluate internal cooling loads.

Module 12: Cooling Load Calculation (E20 – Excel Form)
Use Excel-based E20 forms to perform detailed HVAC cooling load calculations and generate data-driven designs.

Module 13: Getting Familiar with HAP
Introduce yourself to the Hourly Analysis Program (HAP) software used for advanced HVAC load and energy analysis.

Module 14: Defining Weather Properties
Learn how weather data and climate zones influence HVAC system selection and energy calculations.

Module 15: Creating Schedules
Understand how to build occupancy and equipment schedules to model realistic building energy usage for HVAC simulations.

Module 16: Defining Walls and Partitions
Define construction details of walls and partitions to ensure accurate thermal performance in HVAC load modelling.

Module 17: Defining Roofs, Ceilings and Floor
Input roof, ceiling, and floor data to support complete building envelope evaluation in HVAC system planning.

Module 18: Defining Windows and Doors
Examine window and door properties, including shading and glazing, for accurate heat gain assessments in HVAC models.

Module 19: Defining Shades
Learn to input shading elements such as overhangs and fins that affect solar gain in HVAC cooling load analysis.

Module 20: Creating Spaces
Discover how to define and group interior spaces effectively to streamline HVAC zone-level energy calculations.

Module 21: Selection of HVAC System
Explore criteria for selecting HVAC systems based on building type, load requirements, and energy efficiency.

Module 22: HVAC Systems
Gain a broad understanding of the types of HVAC systems, including split systems, centralised units, and packaged solutions.

Module 23: Heating Systems
Learn about common heating methods such as furnaces, boilers, and heat pumps used in HVAC applications.

Module 24: Air Conditioning Systems for HVAC Technicians
Understand various air conditioning systems, their components, and how they contribute to cooling and dehumidification.

Module 25: Ventilation and Indoor Air Quality
Explore mechanical and natural ventilation systems and their role in maintaining healthy indoor air quality in HVAC design.

Module 26: How Plate Heat Exchangers (PHEs) Work
Study the operation of PHEs, a vital component in efficient energy transfer within HVAC systems.

Module 27: Plates and Gaskets in PHEs
Understand the function and maintenance of plates and gaskets to ensure optimal performance in plate heat exchangers.

Module 28: Varying Cooling Capacity and Flow Types
Examine how to adjust cooling capacity and flow configurations for flexible HVAC system performance.

Module 29: Assembly, Disassembly and Maintenance of HVAC Systems
Learn the procedures and best practices for assembling, maintaining, and troubleshooting HVAC systems.

Module 30: Fire Safety Legislation and Measures
Gain knowledge of fire safety laws and the integration of fire prevention measures in HVAC system design.

Module 31: Fire Emergency and Evacuation Procedures
Understand the HVAC technician’s role in emergency planning and supporting safe evacuation through system controls.

FAQs

How fast can you become an HVAC technician?
You can become an HVAC technician in as little as 6 months through intensive training programs. However, most people complete certification or apprenticeship programs within 1 to 2 years. Fast-track options offer quicker entry, while hands-on experience boosts long-term career growth and earnings potential in the HVAC industry.
How to become an HVAC technician in the UK?
To become an HVAC technician in the UK, complete a Level 2 or Level 3 diploma in Refrigeration, Air Conditioning, and Heat Pump Systems. Apprenticeships are also a popular route. You’ll need F-Gas certification and may require CSCS cards for site work. Ongoing training ensures compliance and career advancement.
Is HVAC making good money?
Yes, HVAC offers solid earning potential. Entry-level technicians earn competitive wages, while experienced professionals, especially those with certifications or in specialised roles, can earn significantly more. The steady demand for heating, ventilation, and air conditioning services makes HVAC a financially rewarding and secure career path.
What is the highest paid HVAC job?
The highest-paid HVAC jobs include HVAC project managers, HVAC engineers, and HVAC controls technicians. Professionals working in commercial systems, large-scale installations, or government contracts tend to earn the most. Specialising in high-demand areas like energy efficiency or advanced refrigeration boosts earning potential significantly.
Can HVAC make you a millionaire?
Yes, HVAC can make you a millionaire, especially if you start your own successful HVAC business. Technicians with entrepreneurial drive, advanced certifications, and a strong client base can grow their income significantly. Strategic business expansion and long-term client retention are key to reaching millionaire status in HVAC.
Is HVAC in demand in the UK?
Yes, HVAC is in high demand in the UK due to growing infrastructure, energy efficiency regulations, and climate change adaptation. Skilled HVAC technicians are needed in residential, commercial, and industrial sectors. This demand ensures job security, excellent growth opportunities, and consistent employment for qualified professionals.
What is HVAC technician salary in the UK?
In the UK, HVAC technician salaries typically range from £25,000 to £45,000 annually. Entry-level roles start at around £20,000, while experienced technicians, especially those with F-Gas certification or working in London and Southeast England, can earn upwards of £50,000, depending on specialisation and responsibilities.
Is HVAC hard to learn?
HVAC can be challenging to learn due to its technical nature, requiring knowledge in electrical systems, refrigeration, and mechanical components. However, with hands-on training, practical experience, and structured courses, most learners find it manageable. Strong problem-solving skills and attention to detail help you succeed in HVAC.
Does HVAC have a high demand?
Yes, HVAC professionals are in high demand globally due to ongoing construction, renovation projects, and the growing need for energy-efficient climate control systems. The shift toward greener technologies also creates new HVAC opportunities. This steady demand ensures strong job prospects and long-term career stability.
Where do HVAC technicians get paid the most?
HVAC technicians earn the most in regions with high living costs and demand, such as London in the UK, and states like Alaska, Massachusetts, and California in the US. Specialised roles or work in industrial and commercial sectors often come with higher pay than residential jobs.