HVAC

HVAC

VRF Refrigerant Pipe Sizing: Suction, Discharge, and Liquid Line Rules
VRF refrigerant piping is one of the few MEP disciplines where the OEM (Daikin, Mitsubishi Electric, Mitsubishi Heavy, Hitachi, LG, Toshiba) effectively dictates the design. Brand-specific tables driv Read more →

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VRF refrigerant piping is one of the few MEP disciplines where the OEM (Daikin, Mitsubishi Electric, Mitsubishi Heavy, Hitachi, LG, Toshiba) effectively dictates the design. Brand-specific tables driv

HVAC

Heating Load for North Indian Buildings: Delhi, Chandigarh, Shimla
India is a cooling-dominated market. But Delhi, Chandigarh, Lucknow, Jaipur, Punjab cities, hill stations (Shimla, Manali, Dehradun, Srinagar, Leh) all carry a real winter heating load that an India-t Read more →

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India is a cooling-dominated market. But Delhi, Chandigarh, Lucknow, Jaipur, Punjab cities, hill stations (Shimla, Manali, Dehradun, Srinagar, Leh) all carry a real winter heating load that an India-t

HVAC

Outside Air + Return Air Mixing: A Psychrometric Process Walk-Through
Every mixed-air AHU does the same psychrometric thing: combine return air with outdoor air upstream of the cooling coil. The mixing point determines the entering coil condition, which determines the c Read more →

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Every mixed-air AHU does the same psychrometric thing: combine return air with outdoor air upstream of the cooling coil. The mixing point determines the entering coil condition, which determines the c

HVAC

Psychrometrics for Tropical India: The SHR Reality Check Most Designs Miss
The Sensible Heat Ratio (SHR) of a space cooling load is a single number that tells you whether your AHU will actually maintain humidity. Indian designs frequently miss this. SHR = 0.85 looks fine on Read more →

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The Sensible Heat Ratio (SHR) of a space cooling load is a single number that tells you whether your AHU will actually maintain humidity. Indian designs frequently miss this. SHR = 0.85 looks fine on

HVAC

India Cooling Load Rules of Thumb: sqm/TR by Climate Zone and Space Type
Every senior MEP consultant carries a mental table of sqm/TR ratios. They are not a substitute for a real calc — but they are how you sanity-check a number in a tender review meeting, validate a third Read more →

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Every senior MEP consultant carries a mental table of sqm/TR ratios. They are not a substitute for a real calc — but they are how you sanity-check a number in a tender review meeting, validate a third

HVAC

From Cooling Load to AHU and Coil Selection: The Psychrometric Bridge
You have a cooling load. Now what? The number on a calc sheet doesn't size an AHU coil — the psychrometric process between the room and the cooling coil does. This article walks through the bridge: ho Read more →

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You have a cooling load. Now what? The number on a calc sheet doesn’t size an AHU coil — the psychrometric process between the room and the cooling coil does. This article walks through the bridge: ho

HVAC

Cooling Load Methods Compared: CLTD vs RTS vs HBM for Indian Climates
Picking the right cooling-load method is the first design decision that ripples through every downstream choice — chiller plant, AHU coil rows, duct main static, and the final sqm/TR ratio your client Read more →

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Picking the right cooling-load method is the first design decision that ripples through every downstream choice — chiller plant, AHU coil rows, duct main static, and the final sqm/TR ratio your client

HVAC

MEP Design Engineer Career Roadmap India 2026: From Junior to Director
The MEP design engineer career in India has matured significantly. From a small specialist field 15 years ago to a structured profession with multiple specialisation paths, defined certifications, and Read more →

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The MEP design engineer career in India has matured significantly. From a small specialist field 15 years ago to a structured profession with multiple specialisation paths, defined certifications, and

HVAC

HVAC Asset Lifecycle: Replacement Planning, Reliability Engineering, and Total Cost of Ownership
A 200 TR centrifugal chiller has design life 25-30 years; in practice, average Indian commercial replacement happens at 18-22 years due to cumulative failures + efficiency drift. AHUs typically replac Read more →

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A 200 TR centrifugal chiller has design life 25-30 years; in practice, average Indian commercial replacement happens at 18-22 years due to cumulative failures + efficiency drift. AHUs typically replac

HVAC

MEPVAULT 2026 MEP Design Best Practices Summary: 70 Articles, 16 Calculators, One Design Mindset
This is article 70 of the MEPVAULT 2026 MEP knowledge series. The platform now houses 70 in-depth articles, 16 interactive calculators (8 already built + 8 in pipeline), and growing research library. Read more →

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This is article 70 of the MEPVAULT 2026 MEP knowledge series. The platform now houses 70 in-depth articles, 16 interactive calculators (8 already built + 8 in pipeline), and growing research library.

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