Abstract

The air conditioning system is designed to provide a comfortable living or working environment within a specific area by controlling the surrounding at a suitable range of temperature, relative humidity, air circulation and purity of the air. The air conditioners are generally used in residential and commercial buildings. Along with air conditioners the electric water heaters and water coolers have also been used in residential buildings. The usage of these electric appliances has been increasing day by day in most part of the world. Due to this, the consumption of energy has increased. Energy saving is one of the key issues not only from the view of energy conservation but also for the support for the global environment. Therefore, more efficient devices have to be designed which reduces the energy consumption and the cost. The cost can be minimised if different devices working in same principle are integrated into single device. The air conditioner can be integrated with the water heater and water cooler. These devices work on the similar principle. The water cooler and air conditioner work in vapour compression cycle and the water can be heated in the condenser. Thus, by integrating these three devices the purchase cost is reduced since these devices will work on single common compressor. The advantage of this system is that the water is heated from the heat released by condenser. The condenser of conventional water cooler are air cooled, due to which the heat energy gets wasted. This energy is utilised to heat the water and energy is conserved. This system is multifunctional used to perform three operations reducing the cost and energy consumption.

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