Usually, the heating, ventilation, and air conditioning (HVAC) duct system in buildings is a complex network of hollow metal pipes of rectangular or circular cross-section which behave as multimode waveguides when driven at RF and microwave frequencies of common interest. HVAC ducts can be used as a wireless communication channel for providing high-speed network access to offices [1]. An exampl...

Fifth Light Technology Ltd., based in Oakville, Ontario, Canada, develops centrally controlled, dimmable lighting systems for office, industrial and public buildings. The company’s approach consists of providing the desired lighting level in the right place at the right time while at the same time taking into account the light conditions in the surroundings, the respective energy costs and the ...

Energy simulation models are developed with EnergyPlus for two office buildings in a R&D center in Shanghai, China to evaluate the energy cost savings of green building design options compared with the baseline building. As a R&D center of an international IT corporation, there are data centers in the two buildings, which make them different from typical office buildings. The data centers house...

Many office buildings today have the serviceableness and comfort of 40 years old standards. Due to limited budget especially the public authorities are not able to change the edificial status very often. However, there are developments of features or devices in modern building automation that can drastically increase the level of safety, security, comfort, energy saving, and other areas. This i...