Passive Building Structures

Passive Building Structures The term passive house refers to a rigorous, voluntary standard for energy efficiency in a building, reducing its ecological footprint. Ensuring Warmth.

A passive Building is a building that does not consume more than 120kw/m2 of the total primary energy per year and is truly energy efficient, comfortable, affordable and ecological at the same time. Passive Houses allow for heating and cooling related energy savings of up to 90% compared with typical building stock and over 75% compared with average new builds. In terms of heating oil, Passive Hou

ses use less than 1.5 litres per square meter of living space per year – far less than typical low-energy buildings. Similar energy savings have been demonstrated in warm climates where buildings require more energy for cooling than for heating. Passive Houses are also praised for their high level of comfort. They use energy sources inside the building such as the body heat from the residents or solar heat entering the building – making heating a lot easier. Appropriate windows with good insulation and a building shell consisting of good insulated exterior walls, roof and floor slab keep the heat during winter in the house – and keep it out during summer. A ventilation system consistently supplies fresh air making for superior air quality without causing any unpleasant draughts. This is e.g. a guarantee for low Radon levels and improves the health conditions. A highly efficient heat recovery unit allows for the heat contained in the exhaust air to be re-used.

28/11/2023
Rapid Roof System U-value 0.15W/(m2xk)Air permeability 0.6m3/hr/m2
17/02/2023

Rapid Roof System
U-value 0.15W/(m2xk)
Air permeability 0.6m3/hr/m2

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A passive Building is a building that does not consume more than 45kw/m2 of the total primary energy per year and is truly energy efficient, comfortable, affordable and ecological at the same time. Passive Houses allow for heating and cooling related energy savings of up to 90% compared with typical building stock and over 75% compared with average new builds. In terms of heating oil, Passive Houses use less than 1.5 litres per square meter of living space per year – far less than typical low-energy buildings. Similar energy savings have been demonstrated in warm climates where buildings require more energy for cooling than for heating. Passive Houses are also praised for their high level of comfort. They use energy sources inside the building such as the body heat from the residents or solar heat entering the building – making heating a lot easier. Appropriate windows with good insulation and a building shell consisting of good insulated exterior walls, roof and floor slab keep the heat during winter in the house – and keep it out during summer. A ventilation system consistently supplies fresh air making for superior air quality without causing any unpleasant draughts. This is e.g. a guarantee for low Radon levels and improves the health conditions. A highly efficient heat recovery unit allows for the heat contained in the exhaust air to be re-used.