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Geothermal Energy and Concrete Integration Define Sustainable Urban Housing

Author:
Timothy Ung
Geothermal Energy and Concrete Integration Define Sustainable Urban Housing
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Harnessing geothermal energy and incorporating a high-efficiency concrete envelope, the design achieves a net-zero energy goal while providing vital affordable housing in an urban context.
5 key facts about this project
01
Utilizes geothermal heat pumps for efficient climate control.
02
Features a high-efficiency concrete envelope for enhanced durability.
03
Incorporates operable curtain walls to optimize natural ventilation.
04
Design includes adaptable floor plans catering to diverse family structures.
05
Integrates public amenities to foster community engagement and interaction.

### Project Overview

The Net Zero Public Housing project located at 225 West 28th Street in New York City aims to provide affordable housing within a dynamic urban context, closely linked to the Fashion Institute of Technology. The initiative addresses the increasing need for affordable housing amidst rising real estate costs, emphasizing sustainability and adaptability in design. The concept incorporates modern building technologies, enabling a comfortable and energy-efficient living environment for future residents.

### Material Resiliency and Efficiencies

The project strategically employs **concrete** for its structural and aesthetic qualities, recognized for durability and low maintenance, thereby aligning with historical design practices in public housing while updating them for modern requirements. Additionally, the building utilizes a **high-efficiency building envelope** and integrates systems such as geothermal heat pumps and solar panels, aiming to achieve net zero energy consumption. Key materials, including rigid insulation, enhance thermal performance, while operable curtain walls facilitate natural ventilation and daylight access, empowering residents to modulate comfort within their living spaces.

### Community Engagement and Flexible Residential Layouts

Public spaces within the development are designed to foster community interaction, featuring a **community bookstore** linked to the Fashion Institute of Technology and a **boutique clothing store** that encourages local engagement. Residential layouts are adaptable, offering one-bedroom and two-bedroom units configured to accommodate varied family structures. These designs prioritize social interaction while maintaining necessary privacy, contributing to a cohesive community atmosphere. Additionally, passive cooling techniques, such as strategically placed balconies, enhance environmental adaptability, improving overall resident comfort and reducing energy usage.

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MICROHOME 2026
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100,000 € Prize Fund / Kingpsan Edition #11
The Next House: USA
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20,000 USD Prize
Buildner's Unbuilt Award 2026
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100,000€ Prize / 2026

The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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