How does Passive House construction differ from regular construction?

In many ways Passive House buildings can look similar to typical, local buildings. As the industry grows, so do its professional and material suppliers that will continue this trend where you cannot distinguish between a non-Passive House and Passive House Building. However, underneath their skin they distinguish themselves with a few key features. They often use larger quantities of thermal insulation to create a deeper but more thermally resistant envelope. Junctions in the envelope are carefully designed to avoid thermal bridging, air-leakage, and drafts. They have state-of-the-art windows, usually high-spec thermally broken units which typically have triple glazed, gas filled glazing to keep a tight control on heat loss/gain. Ventilation is achieved with the help of a Mechanical Ventilation Heat Recovery (MVHR). This removes heat from exhaust air, and uses it to heat incoming air to maintain a stable indoor temperature.

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