DESIGN AND CONSTRUCTION OF A PROGRAMMABLE THERMOSTAT

DESIGN AND CONSTRUCTION OF A PROGRAMMABLE THERMOSTAT

This project is a device for controlling the heating and air-conditioning in home. Many older homes have
simple thermostats that turn on the heating when the temperature falls below a set level, and turns the heat
off once it rises above a set level. More advanced devices can be programmed to turn change the desired
level based on the time of day. For example, the home is allowed to get colder at night and then warm up
in the morning. Many of the thermostats available in home improvements stores have this capability. The
goal of this semester’s project is to improve on what is commercially available by utilizing state-of-the-art
technology and sound design practices.

• Make it easier to operate by improving the user interface. Remove the excuses for wasting energy
heating or cooling the house like “My husband/wife/son is the one who programmed it and I don’t
know how to adjust it so I just let it run.”

• Make it more reliable. Thermostats are usually battery powered but can loose their settings if the
main battery runs out and has to be changed. The internal clock is also affected by a loss of power.

• Add additional features that will appeal to consumers

TABLE OF CONTENT
Title page- – – – – – – – – i
Approval page – – – – – – – -ii
Dedication – – – – – – – – -iii
Acknowledgement – – – – – – – -iv
Abstract – – – – – – – – – -v
Table of content – – – – – – – -vi

CHAPTER ONE
INTRODUCTION – – – – – – – -1
1.0 Background of the study – – – – -1
1.1 Statement of the problem – – – – -5
1.2 Purpose of the study – – – – – -6
1.3 Significance of the study – – – – -8
1.4 Research questions – – – – – -9
1.5 Scope of the study – – – – – – -10

CHAPTER TWO

LITERATURE REVIEW – – – – – – -11

CHAPTER THREE

Research methodology – – – – – – -39
Design of study – – – – – – – -40
Area of study – – – – – – – – -40
Population of the study – – – – – – -41
Sample and sampling techniques – – – – -41
Instrument for data collection – – – – -41
Method of data collection – – – – – -42
Method of data analysis – – – – – – -43

CHAPTER FOUR

Presentation, analysis and interpretation of data – -48
Discussion of findings – – – – – – -56

CHAPTER FIVE

Summary of findings – – – – – – -60
Conclusion – – – – – – – – -61
Recommendations – – – – – – – -62
Suggestions for further research – – – – -64
References – – – – – – – – -65
Appendix I – – – – — – – – -68
Questionnaire. – – – – – – – -69

DESIGN AND CONSTRUCTION OF A PROGRAMMABLE THERMOSTAT

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