How Does an Evaporative Cooling System Work? August 13, 2026 3:38 pm Augmintech Facebook LinkedIn WhatsApp Evaporative cooling uses roughly a sixth of the electricity of refrigerant air conditioning, costs a fraction to install, and delivers pure fresh air. It also stops working almost entirely on a humid day. Both of those statements are true, […]
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How Does a Fan Coil Unit (FCU) Work? August 13, 2026 3:00 pm anirban Facebook LinkedIn WhatsApp An FCU is the simplest device in a chilled water system: a fan, a coil and a filter in a box. Which is exactly why the interesting part is not the unit at all. It is the two
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What Are Refrigerants? Types, ASHRAE Codes & 2026 Regulations August 13, 2026 2:52 pm anirban Facebook LinkedIn WhatsApp Choosing the wrong system type is not a mistake you find out about at handover. It shows up as equipment that never runs at its design point, occupants who complain in a building that meets its specification
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What Are Refrigerants? Types, ASHRAE Codes & 2026 Regulations August 13, 2026 2:37 pm anirban Facebook LinkedIn WhatsApp The HVAC industry is in the middle of its largest refrigerant transition since R-22 disappeared from new equipment. For an engineer in India or the Gulf this is not background reading. A system specified today on the
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8 Charts for Chilled Water Pipe Sizing | Augmintech August 13, 2026 2:15 pm anirban Facebook LinkedIn WhatsApp An undersized chilled water pipe does not fail. It just quietly costs money. Velocity climbs, friction loss rises with roughly the square of it, the pump works harder every hour of every year, and somewhere on the
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9 Core Components of an Air Handling Unit August 13, 2026 2:00 pm anirban Facebook LinkedIn WhatsApp Open the access door of a running air handling unit and you are looking at a sequence, not a box. Air enters at one end, passes through a specific series of components in a specific order, and leaves
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Chilled Water Pump Guide: Types, Design & Operation August 13, 2026 1:11 pm anirban Facebook LinkedIn WhatsApp A chiller can be perfectly selected and a building still fail to cool, because the chiller only makes cold water available. The pumps decide whether it actually arrives. For a full picture of how the plant is configured
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HVAC Duct Design: A Complete Technical Guide for MEP Engineers August 5, 2026 7:24 pm anirban Facebook LinkedIn WhatsApp Duct design is where an HVAC system’s efficiency is quietly decided. The chiller gets specified against a standard, the fan gets selected off a certified curve — but the network between them is drawn by an
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Ventilation Design: A Complete Guide for MEP Engineers August 5, 2026 5:11 pm anirban Facebook LinkedIn WhatsApp Cooling failures announce themselves within the hour. Ventilation failures do not. A building can be comfortably cool, structurally sound, fully occupied, and quietly under-ventilated for a decade — producing headaches, drowsiness and absenteeism that nobody attributes to the
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What Is an Air Distribution System? Types, Parts & Design Basics August 5, 2026 2:05 pm Augmintech Facebook LinkedIn WhatsApp The corner office is freezing. The room next to the lift lobby is stuffy by mid-afternoon. Somebody has put a cardboard box over a diffuser. None of this is a chiller problem — the plant
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