Hans Keller Energietechnik AG

Your partner for holistic heating and plumbing solutions

Our core expertise lies in the areas of heating, sanitary technology, ventilation and energy systems. In addition to old/new and conversions of single-family/multi-family homes, we also offer excellent service and cost-optimized repairs.

We work with long-standing partners who provide us with high-quality products. The brands we use are safe, reliable, tested and proven.

Energy consulting

Our many years of expertise are at your service. During an energy consultation, we evaluate the current condition of all components in your home, from the outer shell to the heat generator. We will draw up a recommendation tailored to your individual needs, covering heating replacement, thermal insulation, the use of renewable energy, energy-saving tips and subsidies.

Heating systems

We ensure a comfortable indoor climate in your home. We use the latest heating technology from the best manufacturers. We are constantly expanding and updating our specialist knowledge through exciting training courses.

• Heating with oil
• Heating with gas
• Heating with the sun
• Heating with air
• Heating with geothermal energy
• Heating with wood

Services

• Planning
• Installation
• Maintenance
• Repairs
• Modernization
• Disposal
• Everything from a single source

Sanitary facilities

Water is life. We enjoy and need it every day. A beautiful bathroom is an oasis for body and soul. We provide water in the right quantity, at the desired temperature, in a beautiful design and optimally installed.

And if the water should ever be where it shouldn't be, we are there immediately via our emergency number.

Products

• Baths and wellness areas
• Water treatment plants
• Private households
• Commercial & industry
• Public buildings

Services

• Individual consulting & concepts
• Planning of new sanitary buildings & renovations
• Execution planning & installation
• Maintenance & service of sanitary facilities
• Condition analyses & optimizations