Building services for building owners, businesses & project partners
Donum Haustechnik advises, designs and delivers carefully considered plumbing, heating, ventilation and air-conditioning solutions — technically sound, economically sensible and suited to each building. We support private building owners as well as installation companies, designers and property developers. With personal service, independence from manufacturers and a clear view of the entire project.
Two perspectives on the same building
Private projects
Planning a renovation, a new build or comparing proposals? We turn technical complexity into clear decisions.
Professional projects
Four disciplines within one system
Water, heat, air and cooling share space, energy and interfaces. They must therefore be assessed and coordinated together.
How we work
We start with your actual needs, rather than a product.
Clarify objectives, existing conditions, constraints and open questions.
Compare options technically, economically and as part of the whole system.
Develop a buildable solution with clearly defined interfaces.
Support implementation and project coordination with technical care.
Independence means criteria first
We begin with need, building and operation. Only then do transparent criteria for systems, products and investment emerge.
“Good building services do not demand attention. They work quietly, efficiently and reliably.”
Based in Klagenfurt
Responsive support in Carinthia, project experience across Austria and English-language communication for international stakeholders.
Tell us briefly about your project. We will respond personally and discuss the most useful next step.
