inverter Quick Coupling air conditioning is ideal installation for small offices and bedrooms . This is heat pump air conditioning so it heats very well during the winter months. It can also dehumidify and of course it provides cooling for the summer months. This heat pump air conditioning is very energy efficient, it carries an "A" ENERGY RATING. Energy rating "A" is the most efficient. More information on energy rating . This quick coupling heat pump air conditioning provides a COP (coefficient of performance) , this means that every kW of energy you pay to run this unit.