Balancing Act

One of the key requirements of a PassivHaus or in our case something built to the EnerPHit standard, is air tightness. To achieve the thermal efficiency required, we need to be obsessive about cutting out any air leakage and with it our precious heat. Once you’ve sealed your house up and made it air tight you then need a plan to prevent the air going stale, oh and for making sure the occupants can still breathe.

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A Harry Potter Box

With the help of the Hydrock engineers, we’re working through options for energy sources for hot water and heating.  The fabric first approach of going large on insulation and preventing leaky air flows in the building (no period house draughts) means that we shouldn’t need much in the way of space heating.  We will though be wanting a hot shower and so will also need an energy-efficient way of heating the water.

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