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Different Type of AC Selection for Cooling Area
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AC comparison: Type of AC (AHU/FCU), VRF/VRV
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Introduce of Tools & PPE
Professional Course
Advanced
Enrolment open
Certified Advanced AC, Refrigeration, HVAC, Cooling Technology Professional
Certified Advanced AC, Refrigeration, HVAC & Cooling Technology Professional
Gain practical knowledge in AC, refrigeration, HVAC systems, cooling technology, installation, maintenance, troubleshooting, and energy-efficient solutions—preparing you for professional opportunities in the cooling and HVAC industry.
- Duration
- 30 hours
- Curriculum
- 15 modules · 45 lessons
- Starts
- Oct 01, 2026
- Instructor
- Sifat-Bin Amin
15
Modules
45
Lessons
30h
Live training
Advanced
Level
Curriculum
What you'll learn, module by module
15 modules · 45 lessons · 30 hrs
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- Inverter compressors (Scroll vs. Rotary)
- EEV & oil separation
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- 2-Pipe vs. 3-Pipe Heat Recovery VRF
- Branch Selector boxes
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- Opening ODU & IDU
- Y-Joint & header branch inspection
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- MEP drawing reading
- Piping length & ODU-IDU height rules
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- Drain piping design (Gravity, Drain Pump, $1:100$ gradient)
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- Site assessment
- ODU vibration pad & IDU rod hanging
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- Copper pipe grading (Hard vs. Soft)
- Insulation specs
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- Cutting, deburring, bending, and flaring (eccentric tool)
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- Oxy-acetylene brazing with Nitrogen Purging
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- Load calculation
- Breaker sizing
- 3-phase protection
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- Shielded Twisted Pair (STP) cabling
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- IDU-ODU Power Connection & wiring
- Touch screen & Modbus/BACnet setup
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- High-pressure leak testing
- Vaccum Testing
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- 3-step nitrogen pressure test ($150$, $380$, and $550 \text{ PSI}$)
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- Triple Vacuumization Process ($< 500 \text{ Microns}$ for 1 hour)
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- Refrigerant formula:$\text{Gas} = \sum (\text{Length} \times \text{Rate})$
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- Precise liquid line gas charging using scale & heating belt
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- ODU PCB DIP-switch setup
- IDU auto/manual addressing
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- Pre-commissioning checklists
- Oil return & frequency tests
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- Test run initiation
- Recording pressure and current ($A$)
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- Measuring airflow Superheat, & Subcooling
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- VRF error codes (E1-E9, F1-F9)
- IPM module check
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- Diagnostic software tracking (Thermostat, EEV, Fan speed)
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- Live troubleshooting of artificial student-created faults
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- Zero HVAC vs. global brand comparison
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- Life Cycle Costing (LCC) & energy ratings
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- Case study on commercial, hospital, and hotel HVAC demands
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- Material Measurement from AutoCAD drawings
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- Cost calculations (labor, crane, nitrogen wash, margins)
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- Creating a professional BOQ Excel sheet & technical proposal
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- MEP ecosystem networking (developers, consultants, architects)
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- Sales pitch practice (explaining VRF electricity savings/ROI)
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- Tender document submission & vendor enlistment strategies
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- (09:00 - 11:00): Business models & China import/LC strategies
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- (11:15 - 01:00): Service center setup & spare parts inventory control
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- (02:00 - 05:00): Retail sales, AMC packages, & complaint handling
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- B2B digital marketing (Google Business, LinkedIn Lead Gen)
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- Annual Maintenance Contract (AMC) package design
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- Service Level Agreement (SLA) drafting & client presentations
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- Business Defense: BOQ, sales pitch, and service plan presentation
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- Feedback, certificate distribution, photo session, and closing
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- Practical Exam: Wiring, brazing, pressure test, troubleshooting
Prerequisites
Before you start
No prior experience required. This course starts from the fundamentals.
Instructor
Learn from Sifat-Bin Amin
Lead instructor
Sifat-Bin Amin
Still deciding?
Talk to a counsellor before you enrol
Get honest advice on whether this course fits your background and career goals.
Certified Advanced AC, Refrigeration, HVAC, Cooling Technology Professional
৳15000 · 30 hrs