Ventilation et BBC : simple ou double-flux ?
<p> La ventilation <span data-scayt_word="est" data-scaytid="1">est</span> un <span data-scayt_word="élément" data-scaytid="2">élément</span> <span data-scayt_word="essentiel" data-scaytid="3">essentiel</span> <span data-scayt_word="dans" data-scaytid="4">dans</span> le <span data-scayt_word="bilan" data-scaytid="5">bilan</span> <span data-scayt_word="thermique" data-scaytid="6">thermique</span>. Les <span data-scayt_word="déperditions" data-scaytid="7">déperditions</span> <span data-scayt_word="surfaciques" data-scaytid="9">surfaciques</span> et <span data-scayt_word="linéiques" data-scaytid="10">linéiques</span> <span data-scayt_word="réduites" data-scaytid="11">réduites</span>, <span data-scayt_word="il" data-scaytid="12">il</span> <span data-scayt_word="faut" data-scaytid="13">faut</span> <span data-scayt_word="traiter" data-scaytid="14">traiter</span> les <span data-scayt_word="déperditions" data-scaytid="8">déperditions</span> par <span data-scayt_word="renouvellement" data-scaytid="15">renouvellement</span> <span data-scayt_word="dair" data-scaytid="16">d’air</span> pour <span data-scayt_word="atteindre" data-scaytid="17">atteindre</span> <span data-scayt_word="lobjectif" data-scaytid="18">l’objectif</span> <span data-scayt_word="bâtiment" data-scaytid="19">bâtiment</span> <span data-scayt_word="basse" data-scaytid="20">basse</span> <span data-scayt_word="consommation" data-scaytid="21">consommation</span> (BBC).</p>