TOSTEM by LIXIL
Japanese Innovation
in Window Design
Experience premium aluminium windows and doors crafted with precision engineering and decades of Japanese expertise. Transform your spaces with TOSTEM.
About TOSTEM
Pioneering Japanese
Window Technology
TOSTEM, a brand under LIXIL Corporation, brings decades of Japanese engineering excellence to India. Our premium aluminium windows and doors combine cutting-edge technology with timeless design, delivering products that exceed expectations in performance, durability, and aesthetics.
With a heritage spanning over 50 years, TOSTEM has established itself as a global leader in aluminium fenestration. Our state- of-the-art manufacturing facilities employ advanced automation and quality control processes that ensure every product meets the highest international standards. From typhoon-resistant windows to energy-efficient door systems, TOSTEM products are engineered to perform in the most demanding conditions.
Leader's Message
Guiding TOSTEM India's mission to bring Japanese innovation to every home
Hardeep Singh
Leader India, LHT Asia
TOSTEM — LIXIL Window Systems
Hardeep Singh works as Leader India LHT Asia and is responsible for Tostem operations in India. Responsibilities include all customer concerns including sales, service and process management through a nationwide network of channel partners. The Tostem main office is at Manesar from where the operations are managed. The sales and service teams work at main cities in India. Channel partners cover 75 cities and Tostem has serviced orders in over 300 cities. There are close to 100 Tostem Studio across India including Manesar & Mumbai which are company owned. The Tostem window is of pre-engineered design and is delivered to site in a box. This ensures last mile quality is achieved and Tostem takes responsibility for issue of warranty certificates.
Hardeep Singh
Leader India, LHT Asia
TOSTEM — LIXIL Window Systems
Hardeep Singh works as Leader India LHT Asia and is responsible for Tostem operations in India. Responsibilities include all customer concerns including sales, service and process management through a nationwide network of channel partners. The Tostem main office is at Manesar from where the operations are managed
The sales and service teams work at main cities in India. Channel partners cover 75 cities and Tostem has serviced orders in over 300 cities. There are close to 100 Tostem Studio across India including Manesar & Mumbai which are company owned
The Tostem window is of pre-engineered design and is delivered to site in a box. This ensures last mile quality is achieved and Tostem takes responsibility for issue of warranty certificates..
Hardeep Singh
Leader India, LHT Asia
Our Heritage
Decades of Excellence
From our Japanese roots to our global presence, every milestone reflects our unwavering commitment to quality and innovation.
Years of Innovation
Countries Served
Products Installed
Awards Won
Foundation
TOSTEM established as a pioneer in aluminium fenestration in Japan.
Global Expansion
Expanded operations across Asia, establishing manufacturing in multiple countries.
Design Innovation
Introduced breakthrough designs combining aesthetics with superior weather performance.
India Entry
Brought Japanese precision engineering to the Indian market with localized solutions.
What Makes Tostem a Leading Brand
TOSTEM stands apart with its unique combination of Japanese technology, precision manufacturing, and unmatched quality — making it the most trusted name in aluminium windows and doors.
Japanese Innovation
Decades of Japanese engineering expertise delivering world-class precision and quality.
Pre Engineered System
Factory-manufactured products ensuring consistent quality and perfect installation.
Patented 'TEXGUARD' Technology
Advanced surface treatment that protects against fading, scratching, and weathering.
Award Winning Product
Recognized globally for design excellence and product performance.
Personalize Your Dream Home
Design and visualize your perfect living space with TOSTEM's premium aluminium solutions. Every window, every door — crafted to your vision.
Premium Aluminium Solutions
Aluminium Doors
Discover our range of premium aluminium doors — from elegant casement doors to space-saving sliding and folding options. Each door is engineered with Japanese precision, offering superior thermal insulation, sound proofing, and weather resistance. TOSTEM doors combine aesthetic appeal with lasting performance, making them the perfect choice for modern homes and commercial spaces.
Our Global Partners
Part of LIXIL — World's Leading Building Technology Group
Hear From Our Happy Customers
Thousands of homeowners and builders trust TOSTEM for their window and door needs. Listen to their experiences and discover why TOSTEM is the preferred choice across India.
Awards
TOSTEM's commitment to excellence has been recognized globally with prestigious design and performance awards.
German Design Award 2021
Red Dot Award 2021
iF Design Award 2021
Accreditations
Internationally certified for quality, safety, and performance across global standards.
Clientele
Trusted by India's leading developers and builders for premium fenestration solutions.
Our Projects
Blog & Articles
Different Stained Glass Designs for Doors and Windows
Different Stained Glass Designs for Doors and Windows
Stained glass has been a timeless art form, adding elegance and character to doors and windows for centuries. From traditional cathedral patterns to contemporary geometric designs, stained glass can transform ordinary aluminium doors and windows into stunning architectural features.
Plywood Almirah Design Ideas: Modern Storage Solutions
French Doors vs Sliding Doors for Balcony
Amazing Aluminium Door Designs to Transform Your Home
Ready to Transform Your Space?
Get a free consultation and quote from our experts. Discover the perfect aluminium solution for your home or project.