The Boomerang Athens Talo by Vassilis Siafaricas

The Boomerang Athens Talo by Vassilis Siafaricas is a highly esteemed winner of the very prestigious 2025 Rautapalkinto A' Design Award in Arkkitehtuuri-, rakennus- ja rakennesuunnittelu Competition Category.

RautaArkkitehtuuri· 2025

The Boomerang Athens Talo

by Vassilis Siafaricas

Client: Ecléde

Rautapalkinto A' Design Award Winner in Arkkitehtuuri Category

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The Design

About The Boomerang Athens Talo

Boomerang Athens edustaa vuonna 2010 rakennetun asunnon kattavaa jälleenrakennusta, joka etenee kohti Leed Gold -sertifiointia. Hankkeen tavoitteena on määritellä ylellisyys uudelleen asettamalla etusijalle kestävyys, energiatehokkuus ja huipputeknologia. Sen biofiilinen suunnittelu sisältää elementtejä, kuten passiivista jäähdytystä, edistynyttä eristystä ja uusiutuvan energian järjestelmiä, tavoitteenaan saavuttaa mahdollisimman pieni ympäristövaikutus. Asuintalo yhdistää innovaation ja eleganssin luoden esimerkillisen standardin kestävälle kaupunkiasumiselle Ateenassa.

The Recognition

About the Rautapalkinto A' Design Award

The Boomerang Athens Talo on Rautapalkinnon A' Design Award -voittaja, arvostettu tunnustus, joka myönnetään hyville designeille, jotka täyttävät hyvin suunnitelluilta luomuksilta odotetut ammatilliset ja teollisuuden vaatimukset. Rautavoittajat osoittavat tekijöidensä suurta taitoa, korkeaa erikoistumista, asiantuntevaa ymmärrystä ja luovaa kapasiteettia. The Boomerang Athens Talo:n odotetaan olevan korkeassa arvossa pidetty, ihailtu ja rakastettu luomus, joka on käytännöllinen ja innovatiivinen. Tämä Rautapalkinnon A' Design Award -voittajadesign yhdistää alan parhaita käytäntöjä, ja sillä on pätevät tekniset ominaisuudet, jotka yhdistyvät osaamiseen ja lahjakkuuteen. The Boomerang Athens Talo:a arvostetaan sen perusteellisuudesta, ja se on suunniteltu tarjoamaan elämänlaadun parannuksia, jotka auttavat tekemään maailmasta paremman paikan.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: This design is a Leed Gold to-be-certified, net-zero energy luxury residence that seamlessly integrates sustainability, smart technology, and contemporary aesthetics. Unlike conventional developments, it prioritizes energy efficiency, advanced automation, and biophilic design, ensuring minimal environmental impact without compromising elegance. Its smart home systems, innovative ventilation, and high-performance materials set a new benchmark for sustainable high-end real estate.
Dimensions & Packaging: The residence spans 425 sqm across four levels. Ceiling heights range from 2,800 mm to 3,200 mm, optimizing natural light and ventilation. Triple-glazed, thermally insulated aluminum windows enhance energy efficiency. Underfloor heating by Rehau, a vrv air-conditioning system by LG, and a knx automation network regulate indoor climate. The rooftop pool integrates a high-efficiency heat pump with dimensions 8 m x 3 mmm x 1,5 m.
Tags: Leed certified, Leed gold, smart home technology, sustainable architecture, luxury real estate, urban regeneration, biophilic design, energy-efficient materials, KNX automation, Double Regeneration Metropolitan Park, Athens luxury houses
Production Technology: The Boomerang design was developed using parametric modeling, energy simulations, and LEED-certified methodologies to achieve optimal efficiency. The structure was reinforced with high-performance insulation, thermally broken aluminum windows, and Rehau underfloor heating for passive energy savings. knx automation controls HVAC, lighting, and security, ensuring seamless operation. Sustainable materials, including low-voc finishes and photovoltaic-integrated pergolas, enhance both performance and aesthetics.
Design Challenge: The biggest challenge was balancing luxury with sustainability while retrofitting an existing structure. The historical challenge lay in preserving architectural integrity while modernizing the design. Socially, creating an eco-friendly yet high-end home required shifting perceptions of luxury. Externally, strict LEED regulations, energy laws, and material limitations demanded innovative solutions. Overcoming structural constraints and integrating smart, efficient systems was a key breakthrough.
Research: This applied research transforms an existing property into a Leed Gold-certified smart home with net-zero energy. Using structural audits, energy tests, and Leed guidelines, a team of architects and engineers optimized insulation, smart systems, and ventilation. Results showed enhanced efficiency, luxury, and sustainability. The project sets a new standard for eco-friendly real estate, proving that design, business, and sustainability can coexist seamlessly.
Inspiration: The Boomerang was inspired by the desire to harmonize sustainability with contemporary luxury while redefining urban living standards. It was motivated by the challenge of transforming an existing structure into an environmentally responsible, energy-efficient, and technologically advanced residence. Drawing from LEED principles, modern architectural trends, and the natural landscape, the design sought to create a seamless dialogue between innovation, functionality, and aesthetics.
Project Duration: The project began in Athens in late 2023 and will be completed in May 2025 as Greece’s first Leed Gold certified residence. It integrates net zero energy solutions, smart technologies, and structural reinforcements. Adjacent to the future Double Regeneration Metropolitan Park, it offers unobstructed views, urban cooling, and green access. This benchmark in luxury sustainable architecture enhances air quality, biodiversity, and the connection between urban living and nature.
Operation Flow: The Boomerang Athens is designed for effortless, smart living. The home adapts to its residents, adjusting lighting, temperature, and energy use automatically for maximum comfort and efficiency. Large windows flood the space with natural light while insulating against heat and cold. The rooftop pool and outdoor spaces create a seamless indoor-outdoor experience. With sustainable materials and energy-saving technology, it offers luxury with a conscience, reducing environmental impact without compromising comfort.
Team Members: Designer: Vassilis Siafaricas
Developer: Vassilis Siafaricas
Mechanical Engineer: Vasilis Mastrogiannis
Image Credits: Image #1: Photographer / Illustrator / Creator Kyriakos Trikaliotis, Ownership of ECLÉDE.

Image #2: Photographer / Illustrator / Creator Kyriakos Trikaliotis, Ownership of ECLÉDE.

Image #3: Photographer / Illustrator / Creator Kyriakos Trikaliotis, Ownership of ECLÉDE.

Image #4: Photographer / Illustrator / Creator Kyriakos Trikaliotis, Ownership of ECLÉDE.

Image #5: Photographer / Illustrator / Creator Kyriakos Trikaliotis, Ownership of ECLÉDE.

Video Credits: Video by ANGEL BLEND.