UNDERSTAND
System understanding comes first: operating conditions, process interaction, equipment behavior, and constraints.
Engineering × Technology × People × Impact
Engineering Ideas Into Practical Solutions.
Integrated engineering solutions across HVAC, refrigeration, industrial automation, IoT, energy efficiency, and industrial systems.
Mochammad Praheksa Putra Pambudi
Heksa | Engineering Solutions
Website: mochammadpraheksa.business
Engineering Introduction
Engineering Beyond the Equipment
Engineering is not only about maintaining equipment. It is about understanding how systems work, identifying problems, improving performance, and creating solutions that deliver measurable value.
ANALYZE
Use observation, data, and root-cause thinking to understand what matters and where effort should focus.
SOLVE
Design practical engineering solutions that make sense in real operating conditions, not just on paper.
IMPROVE
Measure outcomes, validate the change, and continue improving performance over time.
Services
Engineering Capabilities
Focused engineering services that connect equipment knowledge, automation, data visibility, and continuous improvement.
HVACRefrigeration
HVAC & Refrigeration
HVAC system analysis, troubleshooting, maintenance support, refrigeration, and energy efficiency.
Explore HVAC Solutions
AutomationControl
Industrial Automation
PLC, HMI, sensors, control systems, industrial automation, and system integration.
Explore Automation
IoTMonitoring
IoT & Monitoring
Industrial monitoring, data acquisition, IoT integration, and real-time equipment information.
Explore IoT Solutions
Industrial EngineeringOptimization
Industrial Engineering
Process improvement, energy efficiency, engineering analysis, and continuous improvement.
Explore Industrial EngineeringSelected Projects
Selected Engineering Projects
Concept-rich case studies showing how engineering problems are translated into structured solutions and documented thinking.
AutomationHVACEnvironmental Control
HUMICONS
Problem: Maintaining stable humidity in a controlled environment while improving visibility and control.
Engineering Approach: Evaluate control needs and re-structure the system around monitored humidity control logic.
Technology: PLC, HMI, humidity sensor, controlled HVAC / humidifier interface.
Impact: Better monitoring framework and a clearer basis for stable environmental control.
View Case Study
HVACEnergyAnalysis
Chiller Energy Optimization
Problem: High energy use and inconsistent operating performance in a chilled-water system.
Engineering Approach: Measure operating conditions, review cooling load, and analyze COP-related factors.
Technology: Chiller plant, cooling tower, pump system, AHU load, conceptual energy dashboard.
Impact: A structured path for identifying optimization opportunities without guessing.
View Case Study
Cooling TowerMonitoringOptimization
Cooling Tower Optimization
Problem: Tower performance depends on multiple field variables that are often reviewed separately.
Engineering Approach: Monitor key variables and connect them into a usable control and review framework.
Technology: Temperature sensors, water quality monitoring, PLC, HMI, pump and fan status.
Impact: A more systematic basis for decision-making and maintenance prioritization.
View Case StudyCustomer Trust
Why Work With Heksa?
A customer should feel that the system is understood, the problem is heard carefully, and the proposed solution is genuinely practical.
PRACTICAL ENGINEERING
Solutions are designed around real operating conditions, equipment limitations, and implementation realities.
MULTIDISCIPLINARY
HVAC + Automation + IoT + Industrial Engineering create stronger cross-functional thinking.
DATA-DRIVEN
Engineering decisions should be supported by measurements, observations, and structured analysis.
CONTINUOUS IMPROVEMENT
Solutions are evaluated and improved rather than simply installed and forgotten.
Ready to discuss a system, challenge, or improvement idea?
The website is built to guide visitors from discovery to trust, then toward a practical conversation and future collaboration.