#Sayz #Zero-e #House of the Year

Sayz Receives Special Excellence Award for Zero-e Housing

Sayz Co., Ltd., located in Katsushika, Tokyo, has made a significant mark in the housing industry by winning the Special Excellence Award in the national award system, "House of the Year 2025," presented by the Japan Regional Development Center. This latest recognition marks the ninth accolade for Sayz, solidifying its status as a leader in the housing market. The Special Excellence Award is designated for outstanding housing series, and Sayz stands as the sole recipient in the Joto area of Tokyo, making it a remarkable achievement for a company primarily focused on single-family homes in the 23 wards of the city.

Understanding the 'House of the Year' Award

The "House of the Year" award is designed to comprehensively evaluate energy-efficient performance and contributions to CO2 reduction in residential buildings. It assesses not only insulation performance but includes evaluations of essential equipment like heating, ventilation, air conditioning (HVAC), and lighting systems. This program is crucial for promoting high-quality, energy-efficient homes across Japan, providing a pathway towards sustainable living.

Spotlight on Special Excellence Award Winner - Zero-e

The Zero-e brand by Sayz is committed to high airtightness, high insulation, and high seismic resistance. It balances energy efficiency with aesthetics to maximize comfort within the constrained spaces typical of the Joto area. Each home under the Zero-e branding is built to Zero Energy Home (ZEH) standards, focusing on creating a comfortable indoor environment throughout the year through enhanced insulation, airtightness, and ventilation. Additionally, Sayz is employing advanced seismic design principles and damping systems to create homes that encapsulate both performance and beauty.

Innovative Housing Solutions from Sayz

Sayz integrates the SW (Super Wall) construction method across all homes, ensuring zero complete collapses during disasters like the Great East Japan Earthquake. To enhance modern living experiences, they are also incorporating hybrid water heaters, standard solar power systems, and storage batteries into their new homes. They are keen on optimizing the design from the planning stage to accommodate the maximum number of solar panels, even on limited plots.

Achieving a UA value of 0.36 by 2025, Sayz's homes meet the HEAT20 housing external skin standard, specifically the G2 level, which underlines its commitment to eco-friendly living.

Moreover, in densely populated areas like Joto, Sayz employs smart design tactics to reduce window counts and cleverly arrange openings, creating bright and airy living spaces. Strategically placing eaves and protruding roofs on southern windows allows for optimal sunlight penetration and shading throughout different seasons, while maintaining high-quality housing standards.

Commitment to Community and High-Performance Housing

As a local housing company, Sayz is not only focused on homebuilding but also on raising awareness about high-performance housing and pursuing decarbonization initiatives. Since the inception of the Tokyo Eco Builders' Award, which sets standard specifications, Sayz has proudly received the esteemed Leading Company Award for three consecutive years. Furthermore, in collaboration with Katsushika Ward, Sayz is actively involved in promoting high-performance housing as a part of the