Energy-Efficient Homes: Cohousing San Juan by eneseis Arquitectura

Cohousing San Juan by eneseis Arquitectura is an exemplary project that merges sustainability, community living, and modern design. Located in San Juan de Alicante, Spain, this innovative development encompasses the principles of energy efficiency and collaborative living. The project was driven by three families with a shared vision of creating a harmonious living space that balances private and communal areas, fostering social interaction and environmental responsibility.

Project Overview

Location and Concept

The project begins with the strategic selection of a consolidated plot, minimizing the impact on the natural terrain while ensuring proximity to essential public services such as transportation, schools, and shops. This approach reduces the reliance on private vehicles, aligning with the project's sustainability goals.

Design and Configuration

The limited plot size and the desire to maximize green and communal spaces influenced the home's configuration. The three residences are grouped around a shared patio, a central connecting space that serves as the heart of the community. This patio facilitates circulation, communal activities, and houses a pool, creating a sheltered and intimate environment.

Shared Spaces and Functionalities

To optimize space usage, the ground floor area was minimized, extending the garden into the basement. The shared functionalities include studies, games rooms, guest rooms, recreation areas, dining spaces, laundry, and storage. This design not only fosters a sense of community but also maximizes the efficiency of the available space.

Sustainability Features

Passive Strategies

Cohousing San Juan takes full advantage of the Mediterranean climate to operate with minimal energy consumption. The design incorporates several passive strategies, including:

• Controlled Orientation: The homes are oriented to maximize natural light and ventilation while minimizing heat gain.
• Thermal Inertia: Materials with high thermal mass help maintain stable indoor temperatures.
• Cross and Induced Ventilation: Natural airflow is optimized to reduce the need for mechanical cooling.
• Natural Lighting: Large windows and open spaces allow abundant natural light, reducing the need for artificial lighting.
• Underground Architecture: Part of the building is submerged to benefit from the earth's insulating properties.
• Sealing and Insulation: High-quality insulation and airtight construction minimize energy loss.
• Exterior Vegetation: Plants and green spaces provide natural cooling and improve air quality.

Active Strategies

The project also integrates active energy-saving strategies such as:

• Photovoltaic Solar Panels: Solar energy is harnessed to power the homes, reducing reliance on non-renewable energy sources.
• Gray Water Recovery: Water conservation systems are implemented to reuse gray water for irrigation and other non-potable uses.
• Remote Control Sun Protection: Automated shading systems help control indoor temperatures and reduce cooling costs.

Construction and Economic Efficiency

Simplified Construction Process

The construction process emphasized economic and constructive efficiency. By reducing layers and integrating multiple functions into single elements, the structure serves as flooring, ceiling, and walls, incorporating insulation directly. This approach significantly reduced construction time and costs while maintaining high-quality standards.

High-Quality Residences

The result is three spacious yet compact homes that offer high-quality living spaces with essential functionalities. The residences coexist with shared spaces for joint activities, fostering socialization and cooperation among the inhabitants. This project exemplifies the social responsibility of creating energy-efficient homes that cater to the needs of a modern, collaborative community.

Cohousing San Juan by eneseis Arquitectura stands as a model of energy-efficient homes, demonstrating how thoughtful design and sustainable practices can create a harmonious and eco-friendly living environment. The project's innovative approach to shared living spaces and community engagement offers valuable insights into the future of residential architecture.

All the photographs are work of David Frutos