System Sales & Design - For installers
Vaillant's System Sales & Design team is dedicated to supporting customers every step of the way with bespoke heating system designs for custom build, retrofit and light commercial projects. With a key focus now on transitioning to heat pumps and low carbon heating solutions, our expert team offers a specification service, which includes indicative heat loss calculations and low temperature system designs.
Each member of our team has their specialist field supported by industry experience. So, you can be confident that your needs are being handled by our experts, backed by extensive product knowledge and experience in designing and specifying advanced heating systems.
Whether you’re new to heat pumps or would like some additional support in navigating complex project requirements, Vaillant’s System Sales & Design team is here to support you every step of the way.
Our expert team delivers:
- Estimation of the building space heating load
- Heat pump sizing and product selection
- Recommendation and guidance on accessories and system controls
- List price Vaillant material quotations
- System schematic diagrams
- Product and design technical support

Reach out to your Area Sales Manager and they can discuss with the team how best to support you.
Alternatively:
Email us: systemdesignUK@vaillant.com
0330 123 1767or fill out the survey here.
Opening hours:
Monday – Thursday: 9am – 4:30pm
Friday: 9am – 3pm