Friday, August 18th, 2017

Effectiveness of single and multiple energy retrofit measures on the energy consumption of office buildings

Publication year: 2011brbSource:/b Energy, In Press, Corrected Proof, Available online 1 July 2011brS.E., Chidiac , E.J.C., Catania , E., Morofsky , S., FoobrEnergy retrofit measures (ERMs) are applied to reduce the energy consumption of buildings. The effectiveness of any ERM depends on many building specific factors, such as location, size, operation, building envelope, electrical, heating, cooling and ventilation system properties. It is common for multiple ERMs to be applied to a building to reduce its energy consumption. However, the reduction in energy consumption when multiple ERMs are applied is not the sum of the impact of individual ERMs. Effectiveness of multiple ERMs depends upon their interactive effects. Using representative office buildings and an energy modelling computer program, the effectiveness of individual and…br Highlights: ►ERMs reduce building enxergy consumption dependent upon the climate, the building characteristics and the interaction effects. ►ERMs may be completely or partially additive and may have conflicting effects, e.g., roof insulation and solar absorptance. ►Our office building simulatixons show that climate impacts natural gas usage more than electricity usage. ►Heating and cooling loads vaxry with climate and building characteristics and react differently to some ERMs we simulated. ►To properly evaluate the energy reduction of ERMs a complete simulation of the combined ERMs must be performed.

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