A home design that can reduce bills by 90%

This sustainable architectural strategy uses the local climate to maintain a comfortable indoor environment, reducing or even eliminating the need for mechanical heating, cooling, and ventilation systems.

It’s called passive design, and it can drastically reduce the need for heating, cooling, and lighting, saving energy and maintaining a more stable and comfortable indoor temperature throughout the year.

It improves indoor air quality by reducing the need for mechanical ventilation systems and promoting the use of natural light.

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Passive design strategies:

1. Orientation 

The building's orientation and layout are designed to align with the Sun's trajectory, maximizing daylight and ventilation.

2. Insulation 

A robust thermal envelope, featuring advanced insulation materials, minimizes heat transfer between indoor and outdoor spaces.

3. Ventilation 

Natural ventilation occurs through cross-breezes and the stack effect when openings facilitate air flow within a building.

4. Solar control

To reduce excessive heat gain, external elements are used to intercept and manage sun rays through shading and solar control.

5. Green surfaces 

It can provide thermal insulation and biodiversity, reducing heat absorption and adding a touch of natural elegance.

6. Waterbody 

A waterbody building design serves as a natural coolant, absorbing heat and evaporating it, lowering the ambient temperature. 

7. Local materials

Using a selection of local materials reduces the carbon footprint associated with transportation and deepens the connection between environment and community.

8. Cool roofs

Using roofing materials with coatings that have high solar reflectance and thermal emittance helps minimize solar radiation and reduce temperature.

Some benefits...

• It reduces the building’s carbon footprint and environmental impact. 
• It uses orientation, thermal mass, insulation, glazing, and ventilation to use natural energy sources.
• Although the initial cost may be slightly higher, passive design can reduce energy bills by up to 90% in the long term. 

More architectural firms are seeking to obtain certifications in passive building design and sustainable construction from prestigious organizations such as the USGBC, LEED, and GRIHA. In the long term, this will contribute to the creation of sustainable neighborhoods that offer a healthy and fulfilling quality of life

Sources:  Archi Roots, Veraiconica 

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