Kingfisher<p>I’ve installed the <a href="https://mstdn.social/tags/diy" class="mention hashtag" rel="tag">#<span>diy</span></a> <a href="https://mstdn.social/tags/heatRecoveryVentilation" class="mention hashtag" rel="tag">#<span>heatRecoveryVentilation</span></a> unit using a clear polycarbonate multi wall panel insert in the window opening. No drafts and very very quiet. However it might be too small to exchange the air in this <a href="https://mstdn.social/tags/MicroDwelling" class="mention hashtag" rel="tag">#<span>MicroDwelling</span></a>. My <a href="https://mstdn.social/tags/Aranet4" class="mention hashtag" rel="tag">#<span>Aranet4</span></a> is showing the CO2 level is higher than is healthy (1172 currently). <br /><a href="https://mstdn.social/tags/maker" class="mention hashtag" rel="tag">#<span>maker</span></a></p>