HVAC&R Industry in India

Energy Efficiency, Policies, Codes

& Standards

By

Sushil K. Choudhury

National President

ISHRAE

ISHRAE

The Indian Society of Heating,

Refrigerating & Air-conditioning

Engineers

www.ishrae.in

•Advancement of the arts & sciences of Heating,

Refrigerating and Air-conditioning and other building

services.

•Continuing Education in the said sciences through

lectures, workshops, seminars, exhibitions and

publications.

•Rendition of Career Guidance and Financial Assistance

to students of said Sciences.

•Encouragement of Scientific Research.

Aims & Objects

•Founded in 1981 by a small group of HVAC&R

professionals in New Delhi.

•Has been growing steadily over the last 30 years

•Started with one chapter in New Delhi

•Now has about 40 chapters and sub-chapters all across

the country in all major towns and cities.

•There are presently about 10,000 members and 3000

student members.

•Membership in ISHRAE is individual and not company

or corporate.

Brief History

•ACRECONF – An annual international conference

held in New Delhi. Acreconf 2013 will be held on

7&8 Feb. 2013 with 4 to 5 parallel sessions,100 speakers

and over 1500 delegates. The theme “Emerging Mega

Trends in Building Design”.

•ACREX – An annual international exhibition held in

Mumbai, New Delhi & Bangalore. Acrex 2013 will be in

Mumbai on 7,8 & 9 March 2013. Over 10,000 sqm of stall

space, >400 exhibitors and 25000 visitors.

•About 10 national level seminars/conferences/catalog

shows in major cities – cold chain, data centres, fire &

security, energy efficiency and others.

•A very successful program Ventconf started last year

devoted exclusively to Ventilation.

Present Activities

•Concurrent with the exhibition, a series of

workshops are planned during Acrex 2013.

•The workshops will be spread over 5 days (5 to 9 March)

covering about 18 sessions.

•There will be two parallel sessions, 3 hours, morning and

evening. Thus 4 sessions per day.

•Subjects covered are health care facilities, data centres,

kitchen ventilation, standard 62.1, low energy cooling,

draft less air distribution, noise & vibration, vrf standards

and more.

•Active participation by REHVA, ASHRAE & AHRI in terms

of speakers.

ACREX 2013 - Workshops

• Signed an MOU in Feb. 2012 in Bangalore for

strengthening mutual relationship & to jointly

promote substantial & tangible actions for enhancing

co-operation.

• Co-operation agreement of ACREX2013/ISHRAE &

REHVA signed for mutual promotion of ACREX 2013

- Workshops by REHVA during Acrex 2013

- Promotion of ACREX in Europe by REHVA

- Distribution & Sale of REHVA publications during

ACREX2013.

ISHRAE & REHVA

• Air-conditioning & Refrigeration Journal

- A quarterly publication with technical articles,

distributed free to the entire membership

- Soon to be made bimonthly

- Supplement on cold chain

• Handbooks – Ventilation, HVAC & Refrigeration

• Fundamentals Booklets (7 nos.) – Fan Engineering,

Refrigeration, Air-conditioning, Cold Storages,

AHUs, Chillers & Insulation

• Installation Guide

• Two new Booklets on – Evaporators & Electricity for

HVAC

ISHRAE Publications

ISHRAE Publications

• Weather Data (WEDCO) – Outdoor design

condition for 58 cities in India.

• Smart Energy – a web based building simulation

program sold in India & by ASHRAE bookstore.

• ISHRAE-Emerson On Line University – web based

modules (34 modules) in association with Emerson on

basics of AC&R and available free of cost. Designed

for students & young engineers.

ISHRAE Projects

• ISHRAE – RAMA Chiller Testing Standards for India –

Expected to be completed by March 2013.

• E-Learning – Web based e-learning program of modules

developed by ASHRAE for AC, Ref. &

Building Systems in conjunction with NIIT

• Low Energy Cooling Systems (LECS) – Project to

provide guidelines for design of low energy

cooling systems in India

ISHRAE Projects (Cont…)

• Ishrae works closely with the Bureau of Energy

Efficiency (BEE) & Bureau of Indian Standards (BIS)

in making codes and standards.

• Chapter on Air-conditioning in the National Building Code

(NBC) written by experts from ISHRAE. New Chapter on

Sustainability by Ishrae.

• Weather data project and chiller test standards in close

association with BEE & BIS

ISHRAE in Policy Making

• Demand for commercial space driven by an increasing

share of service sector in the Indian Economy.

• Over 70% of the total building stock in 2030 is yet to

come.

• Current stock of about 1.2 billion sqm is estimated to

grow to 4 billion sqm in 2030.

Buildings & Energy Efficiency

• Annual energy consumption by commercial buildings

about 70,000 GWh at present.

• Most commercial buildings have an EPI of 200 to 400

kWh/sq m per year.

• Energy conscious building design shown to bring this

down to 100 to 150 kWh/sq m per year

Buildings & Energy Efficiency

• Introduced in 2007 under the Energy Conservation Act

2001 of Indian Parliament.

• Sets minimum energy performance standards for design

& construction of large commercial buildings.

• Encourages energy efficiency without compromising

building function, comfort, health or productivity of

occupants.

• Bureau of Energy Efficiency (BEE) under the Ministry of

Power is mandated to implement the ECBC.

Energy Conservation Building Code (ECBC)

• Applies to Commercial Buildings with a connected

load more than 500 kW, contract demand more than

600 kVA. Recommended for buildings with air-conditioned

area of more than 1000 sq m.

• Based on ASHRAE 90.1

• Building components include:

1. Building envelope (walls, roof, windows)

2. Lighting (indoor & outdoor)

3. HVAC System

4. Service water heating & pumping

5. Electrical systems (motors, transformers etc)

ECBC

Addresses Geographical Conditions

Five Climatic Zones In India

• Composite (e.g. New Delhi)

• Hot / Dry (e.g. Ahmedabad)

• Hot / Humid (e.g. Kolkata)

• Moderate (e.g. Bangalore)

• Cold (e.g. Shillong)

ECBC

• Minimize conduction losses by using insulation and

window material with low U value

• Minimize convection losses & moisture penetration by

reducing leakage and use of vapour barrier

• Minimize radiation losses by using light colour coating

with high reflectance and glazing with low Solar Heat

Gain Coefficient (SHGC)

• Use of natural light and natural ventilation

Building Envelope Design Strategy under ECBC

• Case studies show that use of ECBC can reduce

building energy consumption by 30% to 40%

• Initial Cost may be up 10% to 15%, but payback 5 to 7

years.

• Most cost effective way to comply with ECBC is to

design buildings with due regard to climate & sun.

• Nationwide enforcement of ECBC can save 1.5 billion

kWh per annum at present levels.

ECBC Impact

• Mandatory for building requiring MOEF clearance

(>20,000 sq m)

• Mandatory for Central Govt. Buildings

• Most Green Buildings are ECBC compliant

• ECBC is to be enforced by the State Govt.

• Has been adopted by Rajasthan, Odissa and

Poducherry. Soon to be notified in Uttar Pradesh,

Andhra Pradesh & Karnataka.

ECBC Implementation

• Launched in Feb. 2009

• Buildings rated on a 1 to 5 star range with 5 star being

most efficient.

• 5 Categories of buildings – office buildings, hotels,

hospitals, retail malls, IT parks in 5 climatic zones.

• Applicable to Buildings with connected load>100kW

• Building rating based on EPI (kWh/sq m/year)

• To create public recognition and demand for such

buildings

BEE Building Star Labeling Program

Example

Office Building with more than 50% Area

Air-conditioned

(Hot & Humid Zone)

• 1 Star - 200 – 175 kWh/sq m/year

• 2 Star - 175 – 150

• 3 Star - 150 – 125

• 4 Star - 125 – 100

• 5 Star - < 100

BEE Building Star Labeling Program

• Star Labeling Program Launched in May

2006

• Provides the consumer an informed

choice about appliance energy savings

• Labels appliance from 1 star to 5 star

depending on energy efficiency

• Mandatory for – Refrigerators, Room

A.C., TFL & Distribution Transformers

• Voluntary for appliances such as washing

m/c, televisions, ceiling fans, storage

water heaters, gas stoves, domestic

pumps & general purpose motors.

BEE Star Labeled Equipment & Appliances

• Promoted by IGBC.

• IGBC vision is to make India a world leader in

green buildings by 2015.

• Presently more than 1300 buildings with over 1

billion sq. ft. registered for certification.

• More than 600 IGBC Accredited Professionals

Indian Green Building Movement

To summarize

the outlook for enhanced building energy

efficiency in India is very bright as there is a huge

potential for energy savings and for use

of energy saving technologies, equipments and

systems.

Thank you for your attention