https://ecoevo.com.au/leaking-ducted-heating-returns/?utm_source=rss&utm_medium=rss&utm_campaign=leaking-ducted-heating-returns Building Envelope Energy Efficiency Videos, focusing on passive house principles Fri, 05 May 2023 08:49:58 +0000 hourly 1 https://ecoevo.com.au/leaking-ducted-heating-returns/#comment-160 Fri, 05 May 2023 08:49:58 +0000 https://ecoevo.com.au/?p=2513#comment-160 Doesn’t happen in WA.we only have fully ducted systems we don’t use roof space cavity for return air.Not healthy.

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