Definition 1: EER, energy efficiency ratio: Is the measure of air conditioner efficiency at maximum air conditioning load. It is measured by ratio of Btu/hour of cooling or heating load, to watts of electrical power input. The unit is in Btu hr-1 W-1. Definition 2: SEER, seasonal energy efficiency ratio: The measurement units of SEER is exactly the same as EER, but the difference lies in the data used for the measurement. Values for SEER, is determined through averaging readings of different air conditions, to represent air conditioner efficiency throughout the season.
As opposed to a djellaba, a kaftan is not worn outside the house. As a foreigner in Morocco, you can wear any type of traditional Moroccan clothing. It is perfectly acceptable and even well appreciated. In winter, a man can wear a woolen djellaba over his clothes to keep warm.
At mosques and also some hotels such as the Emirates Palace in Abu Dhabi, men are required to wear pants and either a t-shirt or shirt. They do get off lightly when it comes to going to a local beach as men can happily swim and walk on the beach with just board shorts on. Best to probably leave your budgey smugglers (aka speedos) at home though unless you head to a resort. What to wear in the UAE is really not as daunting as you expect. I was much more aware of my clothing and covering up in India than I was travelling in Dubai and Abu Dhabi. If you dress modestly and not like you are living in a beachside resort in Bali, or hitting the night clubs, then you will not receive any negative attention.