/**handles:avia-single-post-1506**/
.avia-section.av-kp66ejw6-0ef09bb3a9f6d0a194e6f480c377a700{background-repeat:no-repeat;background-image:url(https://gavinlowe.co.nz/wp-content/uploads/2021/06/Woman-with-wall-controller.jpeg);background-position:50% 50%;background-attachment:scroll}.avia-section.av-kp66ejw6-0ef09bb3a9f6d0a194e6f480c377a700 .av-section-color-overlay{opacity:.2;background-color:#000}.flex_column.av-4g0263-6731100349b97a7f7ff96678530c4484{border-radius:0 0 0 0;padding:24px 0 0 0}.flex_column.av-2ix4uj-a9e3b29ac769436d527c596dc6a924df{border-radius:0 0 0 0;padding:0}#top .hr.hr-invisible.av-kx7zu8pk-636af9f9b0626f521b457f96a196319d{height:20px}.flex_column.av-kp69fzc9-590d3fa5841a43a9c2d20232f3746e5d{border-radius:0 0 0 0;padding:0;background:url(https://gavinlowe.co.nz/wp-content/uploads/2021/06/Heat-Recovery-Ventilation-HRV-diagram.png) 50% 50% no-repeat scroll #f3f9fc}#top .hr.hr-invisible.av-45kbxn-fa1863118391ac44fc011d545f1c78f7{height:480px}#top .hr.hr-invisible.av-208c63-9397329a6c00ceb8506f3b629ae84008{height:280px}.flex_column.av-4umgsb-78fa739a1b4bdfee6242348071105847{border-radius:0 0 0 0;padding:20px 0 0 0}.flex_column.av-5bwoh7-95bfbc12288b5535a5b35696d6f53586{border-radius:0 0 0 0;padding:0}.avia-image-container.av-kp927tml-0cc2c402a086c134df3baa4262ca1a03 img.avia_image{box-shadow:none}.avia-image-container.av-kp927tml-0cc2c402a086c134df3baa4262ca1a03 .av-image-caption-overlay-center{color:#fff}#top .hr.hr-invisible.av-kp92i50i-1fd3610c2515180c27a056b69efa950a{height:30px}.flex_column.av-3y821n-fc08df35a04f1c5381725b9dc5e0d84d{border-radius:0 0 0 0;padding:0;background:url(https://gavinlowe.co.nz/wp-content/uploads/2021/06/Positive-Pressure-Ventilation-diagram.png) 50% 50% no-repeat scroll #f3f9fc}#top .hr.hr-invisible.av-3isi1n-8e7a7e7d482f14f27075c8047889960c{height:480px}#top .hr.hr-invisible.av-kp7jwg4k-aef28d6075230b9d8c1cbca82455f7fb{height:280px}.flex_column.av-kp6ekb20-cb320f35e0ce99bfcb252fd81fb957ea{border-radius:0 0 0 0;padding:0;background:url(https://gavinlowe.co.nz/wp-content/uploads/2021/06/heat-transfer-diagram.png) 50% 50% no-repeat scroll #f3f9fc}#top .hr.hr-invisible.av-kp69hl7f-71c2a082693b53b0887533f641cca628{height:480px}#top .hr.hr-invisible.av-1w18cr-5ed0c4ef34720a73ede24787ffceb57d{height:280px}.flex_column.av-3187p7-47a5c2794bda8c96af625c6811c7537c{border-radius:0 0 0 0;padding:20px 0 0 0}.avia-section.av-kp92n4wc-6086ca3e032d4538c0ee72cbfa48f3ff{margin-top:0;margin-bottom:0}#top .hr.av-kp7iwq1q-05e21af86cb539b46eae4a41dbdaa553{margin-top:0;margin-bottom:0}.hr.av-kp7iwq1q-05e21af86cb539b46eae4a41dbdaa553 .hr-inner{width:100%;border-color:#707070}.flex_column.av-3xmmfv-7cce4a0f318fc99556018d2c8793ca55{border-radius:0 0 0 0;padding:0}#top .hr.hr-invisible.av-25miwr-aed474ba8e55150bd22800a9c3f5d5fe{height:5px}.flex_column.av-2le30b-766fdc116aa7cdcfce1810bd0fb14312{border-radius:0 0 0 0;padding:0}.flex_column.av-3n992z-e4f34f898edc2976f6da60e5a893d279{border-radius:0 0 0 0;padding:0}.flex_column.av-2zx9vv-ab848de416af914767070a4a8597ab45{border-radius:0 0 0 0;padding:0}.flex_column.av-43e3oi-078ef9656a24f59617339e655f3991d1{border-radius:0 0 0 0;padding:0}.flex_column.av-2ikpf6-e4d8c2bc6c38dc9379b57d92a6b1219c{border-radius:0 0 0 0;padding:0}