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Importance of Ventilation & Insulation in Passive Home Designing

April 08, 2015


Passive design is a pattern of home designing in such as way that it do not requires any axillary heating or cooling, accounting for almost 40% energy wastage in UK homes. This design for home takes advantage of a building’s site, climate, and materials to minimize energy use. It responds to local climate and site condition to maximize building user's comfort and health. Passive house ushers a new wave of high performance green building in 21st century building science, efficiently and cost effectively.

Importance of passive design cannot be overstated. This is a revolutionary method and demands a rigorous and scientific approach to design and construction. Passive designing aims at minimizing the heat loss in homes by optimizing the thermal performance of the building. This is mostly accomplished with reflective or multifoil insulation and proper ventilation material in floor, wall, attic, window, etc.

Role of Ventilation in passive design 

Ventilation is an effective way to coll the internal thermal mass in the building during day and night-time. If you are thinking about air quality, then undoubtedly the law requires it. This is a passive cooling design technique, with elements such as air movement, evaporative cooling and the thermal mass. Therefore, while planning keep in mind the way the air flow through the home. In short, the home ventilation work effectively taking the warm air out and trap the cool air.

Role of insulation in passive design 

Air leakage accounts for 15-25% of winter heat loss and significant loss of cooling in buildings. Insulation normally plays a vital role in this context. It has the ability to isolate the temperature of one side of the building, ensuring the heat or cold air are completely trapped inside. It acts as a barrier to heat flow, whilst keeping the home warm in winter and cool in summer. Some materials are effective to keep the home weather-proof and soundproof. Implementation of insulation in passive designing provides all year comfort, cutting heating and cooling bills.

Right location for insulation in Passive design 

Experts suggests to insulate the wall, ceiling and floor and create a thermal envelope in all parts of the home. Ideally, it should have robust combination of reflective and bulk insulation to evenly distribute the energy. You can insulate the floor with Kingspan insulation along stumps and joist frames underneath. Also, the climatic condition also determine the appropriate level of insulation as well as the right type to choose: bulk, reflective or composite.

Insulation and ventilation both in passive designing of house is a clever choice. Two of these cycle air through the home, transferring much of the heat from outside and tramping the air inside. Passive house building achieves high levels of success, compared to any conventional construction. Therefore, order the best material online and design a house which does not utilizes more energy through mechanical devices.

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