QUESTION 3-Sustainable buildings Passive design features were often present in h

Question

QUESTION 3-Sustainable buildings

Passive design features were often present in historical buildings, which could not rely on elaborate mechanical and electrical systems to achieve occupant comfort. These passive design features include all of the following except:

1.

Ground source heat pumps that provide a more efficient HVAC system.

2.

Thermal massing and temperature stabilization through the use of heavy masonry construction

3.

Lighting designs using windows, skylights, atriums, and air shafts

4.

Ventilation systems including windows, transoms, air shafts, and corridor flow

Explanation / Answer

1.Ground source heat pumps that provide a more efficient HVAC system.

passive design building form and thermal performance of building elements (including architectural, structural, envelope and passive mechanical) are carefully considered and optimized for interaction with the local microclimate. The ultimate vision of passive design is to fully eliminate requirements for active mechanical systems (and associated fossil fuel-based energy consumption) and to maintain occupant comfort at all times

Even though we may not achieve the ultimate passive design vision on every building, implementing the passive design approach to the fullest extent possible will lower building energy use. Building shape, orientation and composition can improve occupant comfort by harnessing desirable site specific energy forms and offering protection from undesirable forms of energy. Through properly applied passive design principles, we can greatly reduce building energy requirements before we even consider mechanical systems.

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