Another rule of thumb which is observed by designers is that 'if you can't see the sky the daylight level is inadequate'. The result is tall windows to give maximum daylight penetration. This carries the attendant risk of glare unless workstations are properly positioned in relation to the window. In most cases this will mean desks at right angles to the external wall and the VDU viewing axis parallel to the window plane.

One option is to resort to automatic blinds. Occupiers sometimes complain that the spontaneous action of the blind is an irritant and represents a denial of individual choice. Local manual override is the preferred answer.

Recent developments in glass technology referred to earlier in terms of electrochromic glass offer solutions to these problems, especially if it can be controlled on an individual pane basis.

Another problem that occurs is that lighting and blinds controls are not co-ordinated. Lights tend to stay on regardless of the position of the blinds. The operation of externally positioned blinds can be frustrated by adverse weather conditions, especially high winds.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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