This document discusses making buildings more energy efficient. It begins by stating that 30-40% of primary energy in India is used by buildings. The objective is to keep buildings' conditions like temperature and humidity as close as possible to comfort levels while minimizing overall energy consumption and costs. It then examines the energy used at different stages of a building's life cycle and for different building types. Technologies discussed for improving efficiency include energy modeling, data mining of building data, and fault detection analysis. Data mining techniques can achieve energy savings of 10-12% by helping optimize building design.

1. Indian Institute of Technology, Kharagpur
Presented by
KANTHAMANI K.H

2. Contents:
1
• Introduction
• Objective
• Energy utilized over the life cycle of building
• Use of Technologies for making a building energy
efficient
• Methodology
• Conclusion
• References

3. In India, 30 to 40% of all primary energy is used in buildings
 The main aim of energy efficient building is to produce buildings
with a minimum of environmental impact
Plays a major role in minimizing overall energy consumption and
cost
Around the world, the private and business divisions utilize 2,589
Mtoe (Mega tonnes of oil equivalent) in energy, which represents
very nearly 40% of final energy use on the planet
INTRODUCTION 2

4. OBJECTIVE 3
To modulate the condition such that they are always within or as
close as possible to comfort zone
Increasing demand for building services and comfort levels, together
with the rise in time spent inside buildings, assure that the upward
trend in energy demand will continue in the future
For this reason, energy efficiency in buildings is today a prime
objective for energy policy at regional, national and international levels

5. Energy utilized over the life cycle of building
Fig:1, source: Hyunjoo Kim , Annette Stumpf, Wooyoung Kim, Automation in Construction, January 2011.

6. Consumption by end use for different building types
6
Fig:2 , Source: I. Sartori ,A.G. Hestnes , Energy and Buildings, March 2007.
percentage

7. Fig -3, Source: I. Sartori ,A.G. Hestnes , Energy and Buildings, March 2007.
Use of Technologies for making a building energy efficient
7

8. Methodology
Data mining technique
8
Process of extraction of useful information and patterns from huge data and its
also called as knowledge discover process
Help project teams discover useful patterns to improve the energy efficiency of
building design during the design phase
Fault detection and diagnostics analytic tools provide insights into building
systems that help reduce energy consumption, improve building performance
and lower costs

9. Steps used to achieve the data mining
technology 9
Requirement definition
Energy modelling
Data analysis

10. Energy Simulation in building design
9
 Allows architects and engineers to visualize, how energy is consumed and for what
reasons
 An energy model – allows comparative analysis between proposed design and
altered design, just providing with the scope of cutting down on energy usage
 Assists in availing green building certificates
Data mining functionalities
Characterization, discrimination, association, classification, clustering, outlier, and
trend analysis, etc.

11. Currently used analytical techniques
9
Fig-4, source: Jan, 2010 , wolfgang, netnography.
58%
52%
45%
44%
38%
33%
26%
25%
19%
0%
10%
20%
30%
40%
50%
60%
70%
Data Mining Web Analytics Data Visulization CRM Analytics Text Analytics Social Network Analysis Link Analysis Blog Mining Screen / Web Scraping

12. Conclusion
10
To improve the energy efficiency of building design during the design phase
Because of detecting the fault in the building design, this reduces the
energy consumption and increases the energy efficiency in the building
sector
Energy savings were significantly ranging between 10 to 12% of the total
energy consumption

13. References
11
 Thormark, C. (2002). A low energy building in a life cycle—its embodied energy, energy need for operation and
recycling potential. Building and environment, 37(4), 429-435
 Sartori, I., & Hestnes, A. G. (2007). Energy use in the life cycle of conventional and low-energy buildings: A review
article. Energy and buildings, 39(3), 249-257
 Kim, H., Stumpf, A., & Kim, W. (2011). Analysis of an energy efficient building design through data mining
approach. Automation in Construction, 20(1), 37-43
 Pérez-Lombard, L., Ortiz, J., & Pout, C. (2008). A review on buildings energy consumption information. Energy
and buildings, 40(3), 394-398
 Oldewurtel, F., Parisio, A., Jones, C. N., Gyalistras, D., Gwerder, M., Stauch, V., ... & Morari, M. (2012). Use of
model predictive control and weather forecasts for energy efficient building climate control. Energy and
Buildings, 45, 15-27