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This post covers more than just MVHR, but I wasn't quite sure where this post would be best placed. Admins feel free to relocate if need be! As you can probably guess by this post going up late on a Saturday, I've been doing a lot of modelling of our heating and energy systems for our house. It has taken a while to get the model to accurately reflect reality, but I think we've finally nailed it. Whilst not surprising, what it has clearly established is that: PV is a no brainier, provided you have the capital up front! Though that's another topic all together (posted here). The MVHR bypass will be insufficient to counter the solar gain during the peak summer months. It's often said that the biggest problem with passive houses (or near passive as our's is) isn't the heating, but the cooling. They're right! Thankfully we have opening windows and plans to use a canvas above our pergola to shade some of the southern windows. So more our of general curiosity, what else have people done to keep the tempretures stable and comfortable during the summer months?
