HVAC & FACILITIESHVAC Troubleshooting
Industrial HVAC Troubleshooting Masterclass
Sajjad's Engineering Academy
8+ hours plannedIntermediate31 lessons
FREEPractical path
FREE ENGINEERING LEARNING PLATFORM
Advance your engineering career with practical skills.
Learn for free from workplace-focused engineering courses and technical guides covering maintenance, HVAC, electrical systems, PLC automation, utilities, solar energy, reliability and engineering management.
11Practical guides
3Engineering calculators
100% FreeLearning access
Practical-firstWorkplace focus
LEARNING ROADMAPFREE PLATFORM PREVIEW
HVAC
Industrial HVAC TroubleshootingAirside • chilled water • controls
RCA
Root Cause AnalysisEvidence • 5 Why • corrective action
PLC
PLC & Automation FundamentalsInputs • logic • HMI • VFD
TOP ENGINEERING CATEGORIES
Build skills across the systems that keep industry moving.
A specialist free-learning platform designed around real engineering roles, equipment, troubleshooting and workplace decisions.
❄
HVAC & Facilities
AHUs, chillers, ventilation, controls
⚙Maintenance & Reliability
PPM, RCA, MTBF, MTTR, FMEA
⌘PLC & Automation
PLC logic, sensors, VFD, HMI
ϟElectrical Engineering
Motors, MCCs, protection, troubleshooting
♨Steam & Utilities
Boilers, PRVs, steam traps, efficiency
☀Solar & Energy
PV, batteries, energy optimization
◉Mechanical Systems
Pumps, bearings, gearboxes, alignment
◆Engineering Management
KPI, CAPEX, OPEX, teams, projects
FEATURED FREE COURSES
View all courses →Start with practical, job-relevant engineering learning paths.
MAINTENANCE & RELIABILITYRoot Cause Analysis
Root Cause Analysis for Maintenance Engineers
SEA Reliability Learning Path
Evidence basedIntermediateCase studies
FREECore skill
PLC & AUTOMATIONPLC Fundamentals
PLC & Automation Fundamentals for Maintenance
SEA Automation Learning Path
BeginnerPracticalControls basics
FREEFoundation
ENGINEERING GUIDES
Search-friendly technical guides built around real maintenance problems.
Use concise guides for troubleshooting, reliability and maintenance concepts, then move into structured courses and resource libraries.
AHU TroubleshootingDiagnose poor cooling, airflow, chilled-water and control problems.Root Cause Analysis & 5 WhyMove from symptoms to evidence-based corrective actions.Preventive MaintenanceBuild practical PPM routines that reduce repeat failures.Bearing FailureRecognize common failure modes and improve diagnosis.VFD FundamentalsUnderstand drives, speed control and common fault logic.Steam Trap GuideUnderstand trap function, failure symptoms and energy impact.
PRACTICAL ENGINEERING TOOLS
Turn engineering concepts into quick, checkable calculations.
Use transparent calculators with formulas, assumptions and limitations, then follow the related guides for interpretation and troubleshooting context.
Three-Phase Power CalculatorEstimate kW, kVA and kVAr from line voltage, current and power factor.MTBF, MTTR & AvailabilityCalculate reliability KPIs and connect the results to maintenance performance.Energy Cost & Simple PaybackEstimate annual energy, operating cost, savings and simple project payback.
HOW SEA IS BUILT
Useful engineering knowledge without invented claims.
The academy is being developed as a transparent, practical learning platform. Preview features are clearly identified until the production LMS is connected.
PRACTICAL FIRST
Content focuses on measurements, troubleshooting sequences, maintenance decisions and workplace application.
FREE ACCESS
Courses, guides and technical learning resources are presented as free learning content.
CONTROLLED-DOCUMENT AWARE
Technical learning material supports—but does not replace—current OEM manuals, site SOPs, PTW/LOTO and competent assessment.
LEARNING COMMUNITY
Learn as a student. Share knowledge as an instructor.
The platform is structured around free learning for students and practical knowledge-sharing by engineering instructors.
Track your engineering learning.
The planned production learning system will support enrolments, progress, quizzes, assignments and completion records.
Preview student dashboard →Build and share technical courses.
Experienced engineers can contribute structured, practical learning paths around real equipment and engineering problems.
Become an instructor →Develop engineering teams.
The future corporate portal can organize learning paths and completion reporting for technical teams.
Corporate training enquiryExperienced engineer? Share what industry actually needs.
Apply to join the founding instructor community and create practical free engineering learning content.