Isn’t it a security risk to leave the windows open?
The warm air hose is flexible and as temporary air conditioning is not needed at night most people turn off the unit, withdraw the hose and close the window. It is simple to put it back in the morning. How much of the summer will we need air conditioning? This depends on your building and the equipment in it. The inside temperature of an office, in the afternoon, will commonly rise to between 4°C and 8°C above the outside temperature so most offices would benefit from cooling for at least part of the day for much of the time from May to September. Why should our office need cooling now, when it hasn’t before? The increased use of PCs and other electronic office equipment now provides more unwanted heat. Virtually all electricity consumption inside the building ends up as heat. The mean summer temperatures are rising. Four out the last 10 years in London have been some of the hottest on record. What is Energy Labelling? Energy labelling is a new way of allowing consumers to easily compa
