We all rely more on the machines than the humans, we cannot deny the importance of machines in our life. It is always very frustrating when a machine is either not working properly or is out of order. There are many examples such as, we all love our cars but when they break down, many of us kick them and sometimes curse them as well and this may become more frustrating with the heating and cooling system. It is true that machines have made humans more sensitive. There were times when there was

more »

... o heating and cooling system and people were surviving but as we are surrounded by the machines and we are addicted to them so we always prefer the air conditioning buses, trains, subways, cars and home. To keep the air conditioning going it is necessary to have air conditioning service.