The need for an authentic and reliable report relating to the modification of a proto-type air-conditioning unit is inevitable.  Many homes and offices use the air conditioner to cool the temperature in their respective homes and offices, so the maintenance of the air conditioner should be a top priority of every individual in order to avoid huge expenditure in the modification of the system.

This report began with an introduction into the relevance of an air conditioner, the general maintenance one is expected to carry out for effective performance of the air conditioner and the faults discovered together with the repair carried out.

Subsequently, advance information pertaining to the repairs involving a faulty air conditioner have been given in certain sections of this report which will be beneficial to those interested in the repairs and modification of a faulty air conditioning unit.

Title page

Letter of transmittal

Approval page

Dedication

Acknowledgement

Abstract

Table of content 

CHAPTER OF ONE

1.1   INTRODUCTION

CHAPTER TWO

2.1   LITERATURE REVIEW

2.2   The features of air conditioning plant

2.3   An air-conditioning plant

2.4   Some hygrometry technical terms in air conditioning process

2.5   The cooling process undergo by the vapour constituent 

2.6    Effects of pressure on air conditioning 

2.7    Description of an air conditioning equipment

2.8    Component parts of air conditioning

2.9    Air conditioning maintenance

2.9.1 Sequence of operation

CHAPTER THREE

3.1    Cost Analysis

CHAPTER FOUR    

4.0   Conclusion and Recommendation

4.1   Conclusion

4.2   Recommendation

        References