GRIHA

Plumbing & Drainage, Sustainability

Greywater Recycling Design: IGBC and GRIHA Compliance for Indian Commercial

Greywater (GW) is the largest single source of recyclable water in any Indian commercial or hospitality project — typically 40-60 % of total wastewater volume. Properly treated, it can offset 30-50 %

Hotels & Hospitality, Plumbing & Drainage, Sustainability

Solar Hot Water for Indian Hotels: Sizing, Payback, BIS + GRIHA Compliance

A 100-key hotel uses 8,000-15,000 litres of hot water per day at 60 °C. Conventional electric or gas heating costs ₹1.2-2.0 lakh/month. Solar water heating (SWH) offsets 60-80% of this load with 18-30

Sustainability

GRIHA v2019 Energy Criterion 14 & 15: Whole-Building Energy Performance for India

GRIHA (Green Rating for Integrated Habitat Assessment) is India’s TERI-administered green-building rating system, with v2019 being the current version. Of GRIHA’s 31 criteria, Criterion 14 (Energy Per

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