System Sales & Design - New build
Vaillant's System Sales & Design team is dedicated to supporting customers every step of the way with bespoke heating system designs for a variety of projects. As the demand for low carbon heating solution grows in the housing market, our expert team offers tailored services for our both our new build and specification customers.
Backed by extensive product knowledge and experience in designing and specifying advanced heating systems, our team excels at assisting customers with technical queries and providing guidance on Vaillant systems. Whether you’re navigating complex project requirements or looking for innovative heating solutions, Vaillant’s specialist specification team is backed by our in-house design and technical support team to provide support at every level.
Our expert team delivers:
- Fully indemnified designs
- Heat pump sizing and selection
- Emitter schedule
- Heating pipework sizing and routing
- Cylinder sizing
- Hot and cold pipework sizing and routing
- Ancillary equipment selection
- System installation schematics
Team expertise
Each member of our team has their specialist field, for example, retrofitting heat pumps, new build and commercial projects. So, you can be confident that your needs are being handled by our experts.Legislative support
All of our system designs are fully indemnified, meeting the latest legislative requirements across all sectors and are in line with best practice standards.Bespoke services
Using the latest computer software, our team creates unique system designs tailored to your project. We provide everything from schematic drawings, heat loss calculations and CAD drawings, allowing us to find creative solutions for even the most unique requirements.Step-by-step process for a quote:
Gather all of the project information, including project requirements, building regulation requirements and any design particulars
Complete the online Vaillant Heat Pump Survey request form
You will then receive a Specification pack from Vaillant, including heating and hot water designs, quotation and schematics. We’ll aim to share this with you within 25 working days
As well as technical support, we can give you guidance on the best system application for your project and provide any manuals or documents you will need for your installation.

Please contact us on:
For queries relating to your design, please quote your bespoke design ‘V’ number.
vaillant-design@vaillant.co.uk
Opening hours:
Monday – Thursday: 9am – 4:30pm
Friday: 9am – 3pm
Please note: Our designs are provided free of charge as a value add based on information that is shared and not independently verified by Vaillant or Vaillant’s third party contractor (i.e such as at a site visit). Vaillant can make no representation or warranty that the designs provided are accurate. We recommend that you obtain professional or specialist advice or work with Vaillant directly before taking any action on the basis of the designs.