Learn HVAC

12/01/2026

Vertical inline pump

08/01/2026

fire damper is a passive fire protection device installed in HVAC ducts where they pass through fire-rated walls, floors, or partitions.
It automatically closes when exposed to high temperature, preventing the spread of fire and smoke through ductwork.

07/01/2026

A fabric duct is an HVAC air distribution duct made from special textile or fabric material instead of metal.
Air is supplied through perforations, micro-holes, or nozzles along the duct length, providing uniform air distribution.

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06/01/2026

Pre-insulated PIR ducts are HVAC air ducts made from PIR foam panels with factory-applied insulation. They provide excellent thermal performance, low air leakage, and faster installation compared to conventional GI ducts with insulation.

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03/01/2026

Why Fresh HVAC Engineers Struggle on Site — And How to Fix It.

Why Fresh HVAC Engineers Struggle on Site | Real Site Problems & SolutionsMany fresh HVAC engineers face difficulties on construction sites, even with good t...

03/01/2026

In HVAC systems, diffusers are used to distribute air evenly and control airflow direction, velocity, and noise. The main types are grouped by shape, airflow pattern, and application.

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30/12/2025

Challenges of VRV/VRF System II

In this video i have explained about major challenges to VRV system based on my experience.

Detailed video on VRV system
https://www.youtube.com/watch?v=FVsKZPmML0M&list=PLXCfO3gR_tpS8kljVZG070rN-OT5ZgsAo&pp=gAQBiAQB

28/12/2025

20/10/2025

Amca certification for fan

19/10/2025

Tons of refrigeration

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04/10/2025

Efficiency formula in Air conditioning

01/10/2025

Learn about desalination.