CIBSE Technical Symposium 2026

IBPSA - England

IBPSA-England is an affiliate of International Building Performance Simulation Association, a non-profit international society of building performance simulation researchers, developers and practitioners, dedicated to improving the built environment. IBPSA-England is founded to advance and promote the science of building performance simulation in order to improve the design, construction, operation, and maintenance of new and existing buildings. Any individual with an interest in the field of building simulation can become an individual member of IBPSA-England.

WB Power Services Ltd

With over 40 years of expertise in healthcare critical power installations and project management, WB Power Services have the ability develop a solution and run your healthcare M&E project all the way from design, through to delivery (and everything in between).

CIBSE Patrons

CIBSE Patrons is a network of businesses who collaborate to give financial, technical and moral backing to a wide range of initiatives led by CIBSE. Members include consulting engineering practices, manufacturers, contractors, and trade bodies. The Patrons’ primary focus is on ‘nurturing talent’: they support a wide range of initiatives designed to attract, encourage and improve the recruitment, development, training and retention of engineers on behalf of the industry at large. This support ranges from the production of careers booklets, to the sponsorship of bursaries, and to their growing role as lead supporter of the CIBSE Young Engineers Awards.

DesignBuilder Software Ltd

DesignBuilder's cost-effective building performance simulation software minimizes modeling time and maximizes productivity. From BIM to faster, easier modelling including: energy, comfort, HVAC, daylighting, design optimisation, CFD, and certification for EPCs, BREEAM, LEED, TMs 52/59/54/63 and more. DesignBuilder is quicker and easier to learn and use, giving you a competitive advantage.

IES

Over the last 30 years IES has built a solid reputation as the leading global innovator in integrated performance-based analysis for the built environment. Our technology enables designers to test different design options, identify best passive solutions, compare renewable technologies, draw conclusions on energy use, CO2 emissions, occupant comfort and more.

Modutherm

Modutherm provides high-efficiency heating and hot water solutions, including the best-performing HIU on the market – the MTA Plus Twin – and AW290 air source heat pumps. We offer complete heat network packages, supported by our nationwide specification sales team with over 100 years of combined industry experience.

Qvantum

Qvantum Energy Technology is proud to be part of the CIBSE Technical Symposium, showcasing our innovative flexready® heat pumps with thermal batteries. Out solutions support grid decarbonisation by easing demand, flattening the usage curve, and enabling efficient energy storage, helping to create a more sustainable, balanced, and resilient energy future.

Strebel

2025 marks 50 years of trading for Strebel UK Ltd, supplying and servicing commercial heating and hot water plant.

We offer an extensive and innovative range of air source heat pumps, utilising the latest in low GWP refrigerants, ultra low NOx and efficient boilers, thermal stores, water heaters and accessories for commercial applications. Along with our outstanding pre and post technical support and long-term care and maintenance plans.

BESA

BESA (Building Engineering Services Association) is a UK-based trade organisation established in 1904, dedicated to advancing the building services industry. It represents contractors involved in the design, installation, and maintenance of engineering systems in the buildings, including HVAC, plumbing, and renewable energy solutions. BESA provides technical guidance, training, and certification schemes to promote excellence, safety, and sustainability across the sector. The association actively engaged in policy development, supporting its members with compliance, industry standards, and best practices. BESA is a trusted voice in the built environment, fostering innovation and collaboration to meet the challenges of modern construction and energy efficiency.

CIBSE Certification

CIBSE Certification Ltd offers independent, UKAS-accredited certification to professionals across the built environment, ensuring robust quality assurance. As part of the CIBSE group, all profits support CIBSE's mission to advance building services engineering, As the NABERS UK administration, we play a crucial role in promoting net zero and enhancing building performance.

CIBSE Journal

CIBSE Journal, the official magazine of CIBSE, is the market-leading building services magazine. Informative and authoritative, CIBSE Journal is trusted by a wide range of professionals and practitioners across the building services engineering supply chain. The magazine's top-quality editorial coverage mirrors CIBSE's commitment to help professionals engineer a more sustainable built environment.

Eurovent

Mason UK Ltd

Mason UK are specialists in vibration isolation and thermal expansion solutions for mechanical and electrical plant, piping, and ducting. We are a leading manufacturer of products and have decades of experience in controlling noise and vibration for any application, from residential and heavy industry to precision manufacturing and scientific.