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THEME PAPER
Figure 1: Highlights of ECBC 2017 insulation to mitigate the
heat island effect of cities
built environment. Flood-
proofing can be achieved
through metal edging on
corners and fireproofing of
buildings through building
materials of 2 hours rating.
Ø Stringent controls for Heating
Ventilation and Air
Conditioning (HVAC) system.
Ø Solar hot water heating, solar
lights for the landscape, and
Solar PV panels for electricity
generation on site may be
Source: ECBC
installed in suitable locations.
new sections to have an The ECBC prescribes following Ø Electrical systems utilizing
International Benchmark, Code practices - renewables.
specific to Indian Climate and Ø The Building Envelope The ECBC can reduce energy
Construction and emphasis on (Walls, Roofs, Windows) consumption by 20%- 25% in
future net-zero building and a Lighting (indoor and large commercial buildings. As
snapshot of its provisions, outdoor)- The leaks in the per the ECBC 2017, the potential
scopes, and requirements is façade, especially at the impact of mandatory enforcement
outlined in Figure 1. peripheries of openings, add of ECBC for the year 2017-18 had
The Sectoral Energy Consump- to heating/ cooling loads a technical potential of yielding
tion as per the 18th Electric which can be prevented by savings of 4.3-billion-kilowa -
Power Survey of Central proper sealing. Using hour and 3 million metric tons of
Electricity Authority in energy-efficient glass is an CO₂.⁶ (h ps://beeindia.gov.in/).
Commercial Sector and option, but innovative The impact on energy performance
Residential Sector shows that nature-based solutions such varies from 20% in Moderate
maximum power consumption as green balconies that bring climate conditions to 25% in
is for obtaining thermal comfort. nature into our homes are a India's Warm and Humid zones.
The consumption pa ern for highly recommended design Hence, over the lifetime of a
typical electricity use in solution. The cool roofs of building, it is very useful to take
buildings in the Commercial buildings can be effectively steps to reduce the energy in use
sector shows that 31% may be designed with a whitewash through active and passive solar/
a ributed to AC while in of calcium carbonate, white climatic design measures, but it
Residential 34% consumption or aluminum paints, or white is more important to use the
may be contributed to fans and mosaic of reused broken building materials with low EEV
7% to AC. Application of building ceramic tiles. Moreover, roof and quantities of the materials
codes reduces electricity and terrace gardens can be must be minimized especially
consumption by 25% to 30%. cultivated for shade and masonry.⁷
April 2021 Volume 22 No. 1- SHELTER 31