How can using more extensive weather data help optimise building systems?

August 21st, 2014 | Category: Applications & Case Studies, News Archive

building-systemsAs a minimum, most Building Automation Systems (BAS) have sensors to detect humidity and outside air temperature to enable limited but informed decisions about mechanical systems operation.

However, there is a growing momentum for more extensive weather data to be monitored to optimise building systems. What added benefits can more extensive weather data provision offer?

You can improve mechanical systems performance

Weather related information is especially useful when targeting ways to increase the efficiency of Heating, Ventilation & Air Conditioning (HVAC). Weather data can help determine when to use a smaller chiller at full capacity against a large boiler at half capacity to save energy and maintenance costs. This can also prove beneficial in regions where power cuts can occur.

You can determine the viability of on-site alternative energy

The measurement and recording of long-term weather data around the building will provide the basis for evaluating the feasibility of installing photovoltaics or wind turbines, as well as predict a realistic return on investment.

You can use prediction to increase efficiency

Outside temperature, wind conditions and solar radiation all affect the distribution of heat within buildings. Integration of frequent weather measurement data enables the BAS to allow for more intelligent heating and cooling through prediction of the short-term effects of changing weather, such as the sun emerging on an overcast day.

You can use weather data to contribute to safety

When maintenance work is required on the outside of the building, particularly at height, knowing the precise weather data around the building ensures that safe working conditions exist before going on the roof or side of the building.

Gill Instruments’ ultrasonic anemometers and integrated weather stations have been installed on many buildings to provide reliable, maintenance free and continuous data outputs to improve the efficiency of buildings.

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