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Training course on energy efficiency in SMEs - engine-sme.eu

Training course on energy efficiency in SMEs - engine-sme.eu

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Natural ventilati<strong>on</strong><br />

In the past natural ventilati<strong>on</strong> dom<strong>in</strong>ated.<br />

Advantages <strong>in</strong>clude<br />

• simple comp<strong>on</strong>ents<br />

• low <strong>in</strong>vestment costs<br />

• negligible operat<strong>in</strong>g costs.<br />

Disadvantages <strong>in</strong>clude<br />

• poor c<strong>on</strong>trol of ventilati<strong>on</strong><br />

• temperature variati<strong>on</strong>s<br />

• not as effective dur<strong>in</strong>g warm,<br />

humid summer m<strong>on</strong>ths<br />

• difficult to retrofit <strong>in</strong> build<strong>in</strong>gs<br />

• poor heat ec<strong>on</strong>omy.<br />

www.eng<strong>in</strong>e-<strong>sme</strong>.<strong>eu</strong>

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