Climate Change Mitigation and Adaptation



We are promoting company-wide initiatives to achieve net-zero greenhouse gas emissions from business processes, products, and services across our organization and providing solutions to support climate change adaptation.

Our Approach

In order to realize our Zero Carbon and Circular Living environmental vision, LIXIL has designated climate change mitigation and adaptation as one of our focus areas and positioned that goal as a priority among our material issues. As part of our goal to reduce CO2 emissions from business processes, products, and services to net zero by 2050, by FYE2031, we aim to reduce CO2 emissions from operational activities (Scope 1 and 2) by 50% compared to FYE2019 and CO2 emissions from supply chains (Scope 3) by 30%* compared to the same year. We also intend to support climate change adaptation by providing solutions, such as for dealing with natural disasters or for preventing indoor heatstroke.

* Excluding use-phase emissions from products that indirectly consume energy such as during water heating.

Products and Services

The energy consumed by LIXIL products during their end-use phase is the primary source of CO2 emissions in the lifecycle of LIXIL products and services. LIXIL provides products and services that can help reduce emissions through their high-insulation, water-saving, or energy-generation capabilities. That is why we believe that we have a major role to play in reducing CO2 emissions from houses and buildings.

We are seeking to mitigate climate change by providing highly insulated windows and front doors, introducing high-performance construction methods for reinsulating entire homes including walls, ceiling, and floors, and providing water-saving products. We also pursue climate change adaptation by providing solutions that help improve preparedness for natural disasters, such as typhoons and torrential rains, and heatstroke due to extreme heat.

In addition, we seek to reduce CO2 emissions across the entire lifecycle of our products and services by using parts and materials that curb carbon emissions, including recycled materials, and designing products to be long-lasting and recyclable.

Developing High-Grade Thermal Insulation Products

TW triple-glazed high-performance hybrid window (TOSTEM)

This hybrid structure window exploits the benefits of strong, durable aluminum on the outer side and resin that boasts strong thermal properties and reduces condensation on the inner side. It boasts an overwhelming high insulation performance thanks to its high-performance, gas-filled double hollow layer and cutting-edge triple-glazed, double Low-E specification. Heat loss can be reduced by approximately 80% when using a triple-glazed high-performance window compared to a single-glazed window, reducing CO2 emissions from a newly constructed house by 37%. By offering a high degree of thermal insultation, it reduces the amount of energy used for heating and air-conditioning and helps reduce CO2 emissions.



• Thermal insulation renovation method for existing homes

Our Marugoto Dannetsu Reform is a high-performance housing construction method to reinsulate entire homes by improving the thermal insulation performance of walls, floors, ceilings, and openings, while utilizing the structure of existing homes. It helps improve energy-saving properties of existing houses by renovating homes to become high-performing, without a need to rebuild a house from scratch. Our scheme to support the installation of superior whole-house insulation using our Super Wall construction method has won the Agency for Natural Resources and Energy Commissioner’s Award at the 2021 Energy Conservation Grand Prize.

Thermal insulation products (Japanese only / A new page will open) >
Winning award for our Super Wall construction method (Japanese only) >

Marugoto Dannetsu Reform

Developing Water- and Energy-Saving Products

Eco Aqua Shower (INAX)

It offers double the benefits with a large shower head that emits large droplets of air-filled water for a more comfortable shower experience and better water-saving performance. The shower’s one-push on/off switch makes it easy to save energy and water by up to 48% compared to the conventional water volumes of 10 liters/min.

Water- and energy-saving products (Japanese only / A new page will open) >

Eco Aqua Shower

Eco Aqua Shower

Reducing CO2 Emissions with IoT-Enabled Products

IoT-Enabled Smart Delivery Box

LIXIL is helping reduce the number of redeliveries and the volume of CO2 emissions by providing two-way communication between smartphones and delivery boxes, sending notification of deliveries and enabling users to accept multiple separate deliveries. In a demonstration experiment conducted at 100 households in Tokyo, we successfully cut the redelivery rate from 41.7% to 14.9%* and confirmed the efficacy of the product in reducing CO2 emissions.

* Please refer to the press release (PDF) for more details on the product’s features (Japanese only / A new page will open) PDF: 9MB >

IoT-Enabled Smart Delivery Box (Japanese only / A new page will open) >

IoT-Enabled Smart Delivery Box

IoT-Enabled Smart Delivery Box

Promoting Net-Zero Energy Houses (ZEH) and Buildings (ZEB)

• ZEH Promotion Services

LIXIL TEPCO Smart Partners Inc. (LTSP) is developing Tatetoku Value and Tatetoku Denchi services for ZEHs built using LIXIL products. The services allow consumers to install solar-power generation and energy storage systems at reduced initial costs in exchange for any surplus energy revenue for a period of 10 years.

ZEH-related products and services (Japanese only / A new page will open) >

Service that combines ZEH materials and solar power generation systems

• Hybrid environment monitoring system Segel E-Control System

It measures the external and internal environment, such as temperature and humidity, analyzes the data in real time to ascertain the comfort index, and automatically controls air-conditioning and windows. The system reduces energy consumption through the combination of natural ventilation and control of heating and air-conditioning. Verification checks conducted at LIXIL’s office over a two-year period confirmed that the system reduces power consumption for air-conditioning by approximately 20% a month and the CO2 concentration in a room by 40% in the spring and fall, when using natural ventilation works well.

ZEB-related products (Japanese only/ A new page will open) >

Segel E-Control System (Japanese only / A new page will open) PDF:1.2MB >

Segel E-Control System

Segel E-Control System

Climate Adaptation Solutions

• External Style Shade sun blinds (TOSTEM)

It blocks approximately 80% of the sun’s heat on the outside and reduce indoor temperature by as much as 3.5ºC,* cutting energy use for air conditioning and preventing indoor heatstroke.

* Please refer to the product webpage for more details on the product’s features (Japanese only / A new page will open) >

Climate-change adaption products (Japanese only / A new page will open) >

Style Shade

Style Shade

• Residential Window Shutter (TOSTEM)

It can protect against or mitigate adverse impacts from natural disasters. Benefits include preventing damage to and the scattering of window glass caused by flying debris during typhoons, and reducing the risk of the roof flying off when strong winds blow into the room.

Disaster mitigation products (Japanese only / A new page will open) >

Residential Window Shutter

Residential Window Shutter

Business Operations

LIXIL is advancing initiatives across the company to achieve net-zero CO2 emissions from our business processes by 2050. We are promoting strict energy-saving activities in factories and offices, the use of renewable energy, and CO2 emissions reduction across the supply chain from procurement to distribution.

Improving Energy Efficiency at Production Sites

We are taking steps to improve energy efficiency at each site, such as pinpointing issues with production processes and reviewing equipment.

At our Tono plant in Gifu, Japan, having lowered the defect rates and improved the efficiency of production processes, we were able to consolidate one existing kiln with another and reduce the LPG used in the kiln by 30% from FYE2021. At our Yokohama plant, another site in Japan, the frequent opening and closing of rolling shutters decreased the efficiency of the air conditioners, so we installed air curtains on parts of the shutters. Operating the air curtains when the shutters are opened improves the internal factory environment and reduces CO2 emissions from heating and cooling the air. We have also encouraged factories and distribution centers in Japan to switch to LED lighting, achieving a switchover rate of over 95% to date.

Our production plant in Lahr, Germany, has replaced inefficient boilers with a cogeneration system,* contributing to an annual CO2 emissions reduction of 2,550 tons. All plants and distribution centers for the GROHE brand around the world are certified according to ISO 50001 Energy Management Systems.

* A power generation system that uses a heat recovery unit to capture waste heat and turn it into thermal energy.

Transition to Renewable Energy

LIXIL is making the transition to renewable energy as part of our drive to reduce CO2 emissions from our business processes to net zero by 2050. That drive includes our membership in RE100, a global initiative of companies committed to sourcing 100% renewable electricity for their operations.

So far, we have successfully switched to 100% renewable electricity at three production sites, four offices, seven distribution centers, and 84 sales bases in Japan. Outside of Japan, in addition to all LIXIL International faucet fitting plants and distribution centers (10 locations in total), three plants in Mexico are also scheduled to switch to renewable energy in FYE2023, a move that will help reduce CO2 emissions and also reduce costs.

Furthermore, we aim to help improve corporate value even further by switching from purchasing renewable energy certificates to using on-site generated renewable energy at our production plants. For instance, the five plants that produce GROHE products generate approximately 8,000MWh of electricity. Our Klaeng plant in Thailand, one of the five GROHE plants, installed 3.2MW solar panels on its rooftop, cutting annual CO2 emissions by approximately 2,400 tons. We also operate megawatt-scale solar power plants that produce approximately 34,700MWh of power per year at eight locations in Japan, and we installed a 5MW solar power system at TOSTEM THAI (Thailand plant) in FYE2022. At the end of FYE2022, our renewable energy ratio reached 15.9%, cutting annual CO2 emissions by 19,000 tons from the previous year.

Klaeng plant in Thailand

Klaeng plant in Thailand

Reducing CO2 Emissions from Distribution

In FYE2022, we increased operation of our round-trip shipping container program that allows shared use of logistics equipment with other companies. We achieved round-trip use of 686 containers in total with our partners, reducing CO2 emissions by approximately 96 tons a year.

Our Hokkaido Distribution Center addressed the issues of declining loading efficiency and a driver shortage by combining freight with other companies in the same industry. In FYE2022, the initiative expanded the target area to cover all across Hokkaido, and successfully reduced the combined driving distance by partner companies by approximately 590,000 kilometers a year and CO2 emissions per tonne-kilometer by 20.9%.

Distribution Center