Some of their specialities are:
- analysing regional energy systems
- efficiency improvement of DH systems
- solar heating systems and seasonal heat storage systems
- system analyses for reduced use of energy
- lectures and education for rational use of energy.
The customers of ZW Energiteknik come from different categories and branches; here follows some examples:
- Research organisations such as national Energy adminstration STEM, Formas, IEA District Heating and Cooling, IEA Solar Heating and Cooling, EU (Altener).
- Branch organisations such as Swedish district heating association.
- Energy companies (such as State Power Board, Sdertrn Fjrrvrme AB, Fortum).
- Municipalities (such as Vasters Stad, Norrkopings Kommun).
- Construction companies and industries (such as JM Bygg AB, Stiftelsen Malungshem, Lundn-Hus AB, Svenska Bostder, Wirsbo Svenska AB).
- Universities (such as Hogskola Dalarna, Linkopings Tekniska Hogskola, Chalmers TH.