ISH, the world’s top trade fair for HVAC solutions and water, will be held in Frankfurt am Main from March 17 to 21, 2025. More than 2,000 exhibitors from 55 countries will present their innovative solutions at the ISH for everything in the HVAC and water industries including modern bathroom designs, sustainable heating and cooling technology solutions, and smart home systems. The event will also feature both industry leaders and smaller companies offering fresh, creative ideas.
ISH 2025, with the theme “Solutions for a Sustainable Future,” will focus on climate protection and energy efficiency. Being the largest producer of CO₂ emissions, the building sector has an important role to play in achieving climate goals. Therefore, the focal point of the ISH 2025 trade fair shall be advanced technologies and concepts that promote environmentally friendly and efficient heat generation, judicious use of water and clean, hygienic air. In addition to this, the ISH 2025 shall be distinguished by a new and modern event structure comprising eight different solution fields, each dedicated to visitor’s unique interests.
Bathroom solutions at the ISH 2025 trade fair
Private bathrooms represent comfort, functionality, and modern design, whether at home or in hotels. Top brands like Bette, Burgbad, Duravit, Geberit, Grohe, Hansgrohe, Ideal Standard, Laufen, Kaldewei, Roca, Toto, Villeroy & Boch, and Vitra will showcase their solutions for private bathrooms in Halls 2.0, 3.0, 3.1, 4.1, 4.2, 5.0, and 5.1, as well as in the Forum at the ISH 2025.
For solutions aimed at public or industrial spaces—like offices, airports, shopping centres, and schools—Hall 3.0 will be the place to visit. There, exhibitors such as Benkiser, Delabie, KWC Professional, Les Robinets Presto, Schell, and Stern will be displaying their products. Companies like Alcadrain, Dallmer, Geberit, and Tece that focus on sanitary installations along with specialised solutions for healthcare facilities like hospitals, nursing homes, etc. shall also be present in this hall. Companies from the field of SPAs, Pool & Wellness will be presenting their innovative designs and products in Hall 3.1
Solutions for water-bearing systems
The ‘Water-bearing systems’ section at the ISH brings together innovative solutions for water management and energy-efficient heating. Exhibitors will present systems for clean drinking water supply, smart water management, and effective water treatment. This includes modern drainage systems for buildings and sustainable ideas for green roofs and facades, complete with advanced irrigation and drainage solutions.
The category also covers systems for non-drinkable water and rainwater use, like rainwater collection, storage, and distribution. Visitors will also find energy-efficient panel heating systems that ensure rooms are heated comfortably and sustainably.
Companies like Aalberts Integrated Piping Systems, BWT, GF Building Flow Solutions, Grünbeck, Judo, Rehau, Roth Werke, Valsir, and Viega will showcase their products in Halls 4.0, 4.2, and 6.0. Additionally, for the first time, exhibitors offering solutions for green roofs and facades will be featured in a special ‘Green Roofs & Facades’ area in the foyer of Halls 5.1 and 6.1. Those interested in heating circuits can visit Halls 9.0 and 9.1 in the western section of the exhibition centre, where companies like Caleffi, Danfoss, Giacomini, Grundfos, KSB, Oventrop, Reflex Winkelmann, SFA, and Wilo will be presenting their products.
Installation solutions at the ISH 2025
Modern installation systems and technologies are essential for the sanitary and HVAC sectors. In Hall 6.1, companies like Adolf Würth, Bott, Fischerwerke, Novopress, Rems, Rothenberger, Wöhler, and WVG will offer a variety of tools, fastening solutions, and concepts for efficient operation, storage, and transport. Additionally, ‘Treffpunkt Handwerk,’ the meeting point for craftsmen, will provide practical tips to make their work easier. The ISH 2025 Festival will also add to the fun, with an adventure trail and influencers on-site.
Heat-generation solutions
ISH 2025 showcases a broad range of sustainable heat generation solutions. In Halls 12.0, 12.1, and 10.1, the focus is on electric heating systems like heat pumps combined with solar power and home storage units. Exhibitors here include Bosch, Buderus, Daikin, Kermi, LG, Midea, Mitsubishi, Nibe, Samsung, Stiebel Eltron, Vaillant, Viessmann, Weishaupt, and Wolf. In Hall 11.0, you’ll find biomass heating systems that combine wood heat with solar energy, along with efficient gas flue systems from brands like Atec, BHT Windhager, Fröling, and Hargassner. Gas and liquid heating systems using renewable energy sources like e-fuels, biomethane, and hydrogen will also be on display in Halls 11.0, 12.0, and 12.1. Solutions for local and district heating networks will be in Hall 9.1, where you can see infrastructure and heat transfer systems for buildings.
Indoor-air solutions
Better ventilation and air-conditioning technologies improve indoor air quality in homes, offices, data centres, schools, hospitals, and commercial buildings. At the ISH 2025, companies like ebm-papst, Helios, Howatherm, Kampmann, Swegon, Systemair, Trox, and Wolf will also show off their systems and devices that enhance air quality and comfort in Halls 8.0 and 10.1.
Intelligent building-management solutions
In Hall 11.1, the focus will be on building automation, energy management, and smart home systems. Exhibitors like ABB, EQ-3, Hosch, KNX, Loytec, Phoenix Contact, Sauter-Cumulus, Schneider, Siemens, and Wago will present smart solutions that use networking to increase energy efficiency, comfort, and safety in buildings.
Software solutions
Digital technologies and software are key for planning and boosting efficiency in new and existing buildings, as well as for building management. Hall 8.0 will be the go-to spot for these developments, with exhibitors like Hero, Hottgenroth, liNear, pds, OneCrew, Streit, ToolTime, and Trimble.
Solutions for sanitary & HVAC production at the ISH 2025 trade fair
High-quality components are needed for the production of sanitary and HVAC systems. These parts must meet the specific needs of heating, air-conditioning, and plumbing technologies. The new ISH layout now groups component suppliers with the relevant solution areas. Companies like Afriso, Belimo, Möhlenhoff, Neoperl, Flühs, Sermeta, Thermokon, and Wieland Werke will also be showcasing their products here.
Experience innovations shape the future
ISH 2025 trade fair, with its broad product range and focused solution fields, will once again be the key meeting place for the HVAC, bathroom and water sectors. The fair will highlight the trends and technologies leading the way toward a sustainable future, making it a must-attend event for anyone looking to play an active role in shaping the future of building services technology.
ISH 2025 trade fair will offer a variety of events for learning, networking, and inspiration. Moreover, the ‘Value of Water Conference’ will focus on the importance of water, while the ‘Building Future Conference’ will cover key topics in construction and building technology. The ‘Design Plaza’ will be the place for designers, architects, and creatives to gather. There will also be special exhibitions, expert meetups, and guided tours, giving attendees a chance to gather insights and make new connections.
Pop up my Bathroom: ISH 2025 will redefine bathroom as a living space
"Pop up my Bathroom" will again be the focus for creative bathroom concepts, architecture and design at the ISH 2025 opening
