Hans Keller Energietechnik AG

Your partner for comprehensive heating and plumbing solutions.

Our core expertise lies in the areas of heating, plumbing, ventilation, and energy systems. In addition to renovations and conversions of single-family homes and apartment buildings, we also offer excellent service and cost-effective repairs.

We work with long-standing partners who guarantee us 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 of your home, from the outer shell to the heat generator. We develop a recommendation tailored to your individual needs, covering topics such as heating replacement, thermal insulation, use of renewable energy, energy-saving tips, and subsidies.

Heating

We ensure a comfortable indoor climate in your home. To do this, we use the latest heating technologies from the best manufacturers. We continuously expand and update our expertise through exciting training courses.

Products

• Heating with oil
• Heating with gas
• Heating with solar energy
• 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 ensure you have the right amount of water at the desired temperature, in an attractive design and optimally installed.

And if water ever ends up where it doesn't belong, we are immediately on hand via our emergency number.

Products

• Bathrooms and wellness areas
• Water treatment systems
• Private households
• Commercial & industry
• Public buildings

Services

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