India

Research

Fire Pump Commissioning: Field-Measured vs Design Performance Across 12 Indian High-Rises
This article reports field commissioning data from 12 Indian high-rise commercial fire pumps (200-1,200 kVA), comparing measured performance against NFPA 20 + IS 12469 design requirements. 65-100-150 verification: 8 of 12 pumps meet design head at 100% flow within ±3%; 4 deliver … Read more →

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This article reports field commissioning data from 12 Indian high-rise commercial fire pumps (200-1,200 kVA), comparing measured performance against NFPA 20 + IS 12469 design requirements. 65-100-150 verification: 8 of 12 pumps meet design head at 100% flow within ±3%; 4 deliver …

Research

Demand-Controlled Ventilation COâ‚‚ Setpoint Sensitivity: Empirical Study from 8 Indian Commercial Offices
This article reports CO₂-setpoint sensitivity in demand-controlled ventilation (DCV) systems across 8 Indian commercial offices over 12 months. Setpoints from 800 to 1,200 ppm tested; energy savings + occupant comfort surveyed. Results: 1,000 ppm setpoint achieves 22% OA-related … Read more →

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This article reports CO₂-setpoint sensitivity in demand-controlled ventilation (DCV) systems across 8 Indian commercial offices over 12 months. Setpoints from 800 to 1,200 ppm tested; energy savings + occupant comfort surveyed. Results: 1,000 ppm setpoint achieves 22% OA-related …

Research

Sprinkler K-Factor Sensitivity for OH-2 Indian Retail: Trade-off Between Pump Head and Pipe Size
This article quantifies the trade-off between sprinkler K-factor selection and pump head requirement + pipe size for OH-2 hazard Indian retail. Five K-factors (5.6, 8.0, 11.2, 14.0, 16.8 in US units) compared on a representative 1,500 m² retail mall design area. Higher K-factors … Read more →

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This article quantifies the trade-off between sprinkler K-factor selection and pump head requirement + pipe size for OH-2 hazard Indian retail. Five K-factors (5.6, 8.0, 11.2, 14.0, 16.8 in US units) compared on a representative 1,500 m² retail mall design area. Higher K-factors …

Research

DOAS + Chilled Beam Energy Benefit Across Five Indian Climate Zones: Climate-Calibrated Quantification
This article quantifies energy benefit of DOAS + chilled beam architecture compared to conventional VAV system across five Indian climate zones (Hot-Humid, Hot-Dry, Composite, Mild, Cold) for a 5,000 m² reference office. OpenStudio + EnergyPlus simulations show DOAS + chilled bea… Read more →

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This article quantifies energy benefit of DOAS + chilled beam architecture compared to conventional VAV system across five Indian climate zones (Hot-Humid, Hot-Dry, Composite, Mild, Cold) for a 5,000 m² reference office. OpenStudio + EnergyPlus simulations show DOAS + chilled bea…

Research

ECBC LPD vs ASHRAE 90.1 vs EN 15193 — 10.4 kW Spread Per Office Floor
This article reverse-engineers the ECBC 2017 trade-off compliance path for a 5,000 m² Indian commercial office to determine the maximum allowable Lighting Power Density (LPD) when other building elements (envelope, HVAC equipment, renewables) exceed prescriptive minimums. Analysi… Read more →

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This article reverse-engineers the ECBC 2017 trade-off compliance path for a 5,000 m² Indian commercial office to determine the maximum allowable Lighting Power Density (LPD) when other building elements (envelope, HVAC equipment, renewables) exceed prescriptive minimums. Analysi…

Research

IGBC v3 vs LEED v4.1 Scoring on the Same Indian Project: A Comparative Case Study
This article compares IGBC v3 and LEED v4.1 scoring outcomes on the same hypothetical 10,000 m² Bangalore office project. Identical design strategies (DOAS + ERV + free cooling + 200 kWp PV) yield 78 LEED points (Platinum threshold = 80) and 96 IGBC points (Platinum threshold = 7… Read more →

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This article compares IGBC v3 and LEED v4.1 scoring outcomes on the same hypothetical 10,000 m² Bangalore office project. Identical design strategies (DOAS + ERV + free cooling + 200 kWp PV) yield 78 LEED points (Platinum threshold = 80) and 96 IGBC points (Platinum threshold = 7…

Research

NBC 2016 Plumbing Demand vs Actual Occupancy: A Field Study of Six Indian Commercial Buildings
This article presents a field study of measured water consumption in six Indian commercial buildings (offices, hotel, hospital) over 12 months, comparing actual demand against NBC 2016 Pt 9 + CPHEEO Manual design assumptions. Results indicate measured demand is 25-40% lower than … Read more →

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This article presents a field study of measured water consumption in six Indian commercial buildings (offices, hotel, hospital) over 12 months, comparing actual demand against NBC 2016 Pt 9 + CPHEEO Manual design assumptions. Results indicate measured demand is 25-40% lower than …

Research

Chiller Plant Energy Model Calibration in Indian Climate: cv(RMSE) Achievement Across Climate Zones
This article reports cv(RMSE) and NMBE calibration achievement for chiller plant energy models across five Indian climate zones using both Carrier HAP and OpenStudio + EnergyPlus. Twelve months of measured operating data from 5 commercial chiller plants (one per climate zone) is … Read more →

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This article reports cv(RMSE) and NMBE calibration achievement for chiller plant energy models across five Indian climate zones using both Carrier HAP and OpenStudio + EnergyPlus. Twelve months of measured operating data from 5 commercial chiller plants (one per climate zone) is …

Research

Cooling Tower Water Consumption Modelling in Indian Climate: IS 14661 vs ASHRAE 90.1 Methodology Comparison
This article compares cooling-tower water-consumption modelling under IS 14661 and ASHRAE 90.1-2022 frameworks for typical Indian commercial chiller plants. A 1,000 TR reference plant in Mumbai climate is analyzed; water consumption is computed via both methods. Results indicate … Read more →

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This article compares cooling-tower water-consumption modelling under IS 14661 and ASHRAE 90.1-2022 frameworks for typical Indian commercial chiller plants. A 1,000 TR reference plant in Mumbai climate is analyzed; water consumption is computed via both methods. Results indicate …

Research

Smoke Control & Pressurisation — NBC 2016 vs NFPA 92 vs BS EN 12101-6
This article applies analytical smoke-layer descent and tenability calculations to three representative Indian high-rise atrium configurations. Available Safe Egress Time (ASET) is computed using the steady-state Heskestad plume + smoke-layer equilibrium method per NFPA 92 §6.2; … Read more →

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This article applies analytical smoke-layer descent and tenability calculations to three representative Indian high-rise atrium configurations. Available Safe Egress Time (ASET) is computed using the steady-state Heskestad plume + smoke-layer equilibrium method per NFPA 92 §6.2; …

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