There are many different terms used for buildings that use a low amount of energy – low energy buildings, eco homes, net zero buildings, passive modular homes, etc
While there are some minor differences between these terms, the fundamental thing they have in common is using a high level of insulation to reduce the amount of external energy needed to heat or cool the building.
Some of these terms also refer to the amount of embodied energy and, therefore, the environmentally friendly or eco-friendly aspects of the materials used to build the building itself.
A modular solution from Quinn Offsite fits both these criteria perfectly.
In broad terms, a passive house typically features an air-tightness membrane. When an air-tightness membrane is used, you must also have a mechanical ventilation and heat recovery (MVHR) system in place to circulate fresh air
A building without an air-tightness membrane and MVHR would then be classed as a near zero energy building
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