• How important is an extractor fan in a bathroom with a big window in it?

  • I've been using an open window for several years, but finally about to replace the extractor. Main issue is you lose a lot more heat in winter and as well as a cold bathroom that also means more condensation hangs around on the walls. In summer it's fine.

  • I'm wondering about a single point MVHR for the bathroom like the envirovent heatsava.

    Anyone used something like this?


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