Envelope Retrofit in Hot Arid Climates

This article aims to evaluate envelope retrofit as a tool to decrease reliance on air conditioning units in hot arid climates. Energyplus is used to model an apartment block in Cairo and analyze its energy performance.Retrofit through glazing improvement is evaluated in relation to cooling load andcarbon emissions. Results provide guidance for envelope retrofitas a part of a plan to empower energy efficiency in Egypt and hot arid countries.