Engineering Tools for
HVAC & Thermodynamics
MechToolkit is a modern engineering platform designed to simplify HVAC, thermodynamics, and mechanical engineering calculations for students, engineers, and technical professionals across Southeast Asia.
The platform combines practical engineering calculators, unit converters, and thermophysical reference data into a single, accessible workspace optimized for both desktop and mobile devices.
Why MechToolkit Was Created
Mechanical and HVAC engineers often rely on scattered references, spreadsheets, textbooks, and legacy software during design and analysis work. In many cases:
- Engineering references are difficult to access quickly
- Unit conversions interrupt workflow
- Thermodynamic property data is spread across multiple sources
- Lightweight engineering tools with modern interfaces are limited
MechToolkit was created to provide a centralized engineering toolkit focused on practical calculations and technical references commonly used in HVAC and thermodynamic applications.
The platform is especially designed for engineers, students, and practitioners in Southeast Asia, where accessible and localized engineering resources are still limited.
What's Inside
HVAC Tools
1 available · 4 soon
- Cooling Load Calculator
- Duct Sizingsoon
- Pipe Sizingsoon
- Psychrometric Calculatorsoon
- Chiller Performancesoon
Unit Converters
7 available
- Pressure
- Temperature
- Flow Rate
- Energy
- Power
- Length
- Mass
Engineering References
4 available · 1 soon
- Steam Tables
- Air Properties
- Water Properties
- Refrigerant Properties
Data Sources & Standards
MechToolkit references established engineering standards and technical literature commonly used in industry and academia. Where applicable, regional engineering standards may also be incorporated.
ASHRAE Handbook of Fundamentals
CLTD/CLF cooling load method, ventilation standards, psychrometric data.
NIST Thermophysical Property Data
Air, water, and refrigerant fluid properties database.
Çengel & Boles — Thermodynamics
Steam tables, saturated and superheated steam property data.
Standard Engineering Equations
HVAC design practices and regional engineering standards where applicable.
Platform & Technology
MechToolkit is built using modern web technologies to ensure fast performance, responsive design, and scalability. Optimized for both desktop and mobile engineering workflows.
Roadmap
Developer
Rijal Gunaldi
Mechanical Engineering Enthusiast & HVAC Developer
MechToolkit is an independent engineering project focused on creating accessible and practical engineering tools for technical users.
Disclaimer
MechToolkit is intended for educational, preliminary design, and engineering reference purposes only. While every effort is made to ensure calculation accuracy and data reliability, the platform should not replace professional engineering judgment, official standards, certified software, or project-specific verification procedures.
Users are responsible for validating all calculations and engineering decisions before practical implementation.
© 2026 Rijal Gunaldi · MechToolkit v1.0.0
Engineering Tools for the Next Generation of Mechanical Engineers.