Heating, ventilation, air conditioning and sanitation (HVAC)

No matter whether it’s a residential dwelling, public building or industrial unit, if you’re looking for innovative, economical and environmentally sound solutions for heating, ventilation, air conditioning and sanitation (HVAC), you’re in the right place.  

HVAC at BKW Building Solutions

Building technology has a major impact on how much energy buildings need. This potential is often underutilised, and tapping into it contributes to reducing energy costs in a sustainable way. Our experts at BKW Building Solutions offer HVAC solutions from a single source, from planning through to installation and maintenance.

Job profiles

Sanitation installers (VET) are responsible for the convenience of hot and cold water systems. They lay all the necessary pipes for water, sewage and gas during the shell construction stage. They then install fittings like bathtubs, sinks and shower trays once the pipes are walled in. Their focus is on ensuring that wastewater flows hygienically to treatment plants. They work independently and competently, with an eye to energy efficiency and supporting the environment, and have practical, technical skills. On construction sites, they coordinate their work with other specialist tradespeople. Their remit also encompasses the maintenance, upkeep and repair of these diverse sanitary installations.


Building technology planners plan and calculate energy-efficient technical building ventilation systems. They create planning documents using the appropriate planning and calculation programs, but they also draw up some construction and system sketches by hand. They help coordinate specialists, monitor installation work and commission systems. Their specialist knowledge of materials and the offerings of fittings and device manufacturers means that they can advise construction principals, architects and engineers. On construction sites, they monitor the progress of construction and discuss the details of execution with specialists on site. They commission the finished system and review it, create instructions and show operational staff how to use it.


In this diverse, responsible role, heating project managers lead projects in an independent, structured and reliable way in line with the plan (from execution to billing). As a competent first port of call, they are responsible for the client within the projects in question, while maintaining and continually expanding their customer base, too. As a heating project manager, you support and monitor construction work, lead a small team (between four and eight installers) and are responsible for administrative work (bids, bills, follow-up management and direction management).


Ventilation system construction workers (VET) construct and install ventilation and air conditioning systems. They produce ventilation elements in the workshop in line with the manufacturing plans, and are familiar with every part of sheet metal and connection profile work in order to do so. They correctly use connection, joining and fixing techniques, such as welding, screwing and riveting, using specialist tools and machines. The assembly plan guides them in the installation of ventilation and air conditioning systems on the construction site, with these plans helping them determine the precise location of cables, devices, channels and appliances. They install air treatment systems, fittings and regulating appliances, along with the associated channels and pipes. Alongside installation, their work also includes the maintenance of technical ventilation systems.



How we work

Learning from each other, developing together and putting things into practice individually – that’s the motto of the HVAC trade. 

Together, we can achieve more
Trust and collaboration are important to us. Why? Because they’re important prerequisites for ensuring we’re ready to learn from each other, discuss new ideas with an open mind, develop together and, ultimately, make things a reality in the way that they’re needed. We embody these values both within the team and in interactions with our customers – and they bring us success.

What we’re currently working on

Alongside integrated large-scale projects, we’re lucky to be working on an array of small-scale local and regional projects, which are no less exciting.

Harvesting energy on a farm
Thanks to the building technology company Lutz Bodenmüller AG, farmer Peter Fischer diversified his farm in Schleitheim, Schaffhausen to start producing green energy.
It started with the installation of solar panels and the sale of electricity, but then, after discussions with specialists, calculations and the appraisal of various options, this morphed into the installation of a wood gas co-generation unit that enables Peter Fischer to produce electricity and heat for himself and the neighbouring retirement home.

Generating energy from wastewater
In Zurich’s “Werdhölzli”, Switzerland’s largest and most modern wastewater treatment plant, wastewater is used to generate energy. Put more precisely, the sewage sludge treatment system and the cleansed wastewater generate heat, which is supplied to the neighbouring districts of Altstetten and Höngg. E3 HLK AG has been supporting the project, installing two large heat exchangers, plus further process equipment to gain energy from wastewater.