top of page


HVAC Design Fundamentals: A Practical Guide from Cooling Load to Duct Design
Learn the fundamentals of HVAC design, from cooling-load calculations and system selection to airflow, duct sizing, equipment selection and commissioning. This practical beginner-friendly guide explains the complete design roadmap and introduces Nexora resources that help you strengthen your HVAC knowledge and calculation skills.
Aug 246 min read


Cold Room AC Equipment Sizing Guide (Step by Step)
Discover the ultimate Cold Room AC Equipment Sizing Guide (Step by Step) for precise cooling solutions. Ensure optimal efficiency with our guide today!
May 192 min read


How to Select Cooling Towers for High Ambient Conditions
Discover expert insights on how to select cooling towers for high ambient conditions. Learn how to select cooling towers for high ambient conditions effectively.
Mar 2417 min read


Steam Humidifier Sizing Calculation for HVAC Systems
Learn how to perform a Steam Humidifier Sizing Calculation for HVAC systems using psychrometrics, airflow, and humidity ratio. This guide explains load formulas, AHU design checks, common mistakes, and a practical lb/hr steam sizing example engineers can apply in real projects.
Mar 148 min read


Industrial Dehumidification System Design Calculations
Learn how industrial dehumidification system design calculations are performed using psychrometric analysis, moisture load estimation, and equipment sizing logic. This guide explains humidity ratio, latent load, dew point control, and the engineering steps used to select refrigerant or desiccant systems for industrial applications.
Mar 148 min read


Humidity Ratio and Moist Air Calculations Explained
Humidity ratio is a critical parameter in HVAC design used to calculate the moisture content of air. Learn how engineers perform moist air calculations, understand psychrometric relationships, and design efficient HVAC systems.
Mar 145 min read


Dehumidification Load Calculation in Air Conditioning System
Dehumidification load calculation is essential for designing HVAC systems that control humidity, prevent condensation, and maintain indoor comfort. This guide explains latent load formulas, psychrometric principles, real design logic, and common mistakes engineers must avoid in air conditioning systems.
Mar 137 min read


Complete Guide to HVAC Duct Design and Sizing
HVAC duct design and sizing ensure that the correct amount of conditioned air reaches each space efficiently. Proper duct sizing balances airflow, velocity, and pressure loss to maintain comfort while minimizing energy consumption. Using methods like the Equal Friction Method and accurate airflow calculations helps engineers design duct systems that deliver reliable performance and optimal HVAC efficiency.
Mar 105 min read


Net-Zero HVAC Design: Decarbonizing Building Systems for the Future
Learn how net-zero HVAC design uses heat pumps, electrification, solar-assisted systems, and energy recovery to reduce building carbon emissions.
Mar 45 min read
bottom of page