Diener Haustechnik AG (Herisau)

Your specialist around water - we are in our element.

Our offer includes all sanitary installations from repair and service work to bathroom renovations and complete sanitary installations in conversions and new buildings.
The variety in the sanitary sector is almost endless - let yourself be seduced.
We are at your side from planning to the finished wellness oasis.

Service work and repairs Should something unforeseen occur: Our service team will take care of it!

Benefit from our versatile experience. Challenges are our passion.

Heating

Your heating specialist - heat generation made to measure.

Well planned and cleverly used heat increases living comfort and reduces energy costs.
Today you can choose from a variety of heating systems with different energy sources.

• Heat pump
• solar energy
• Oil and gas heating

We offer complete installations in new buildings and reconstructions.

Our competence is also in heating installations with renewable energies. Various municipalities and cantons support these with a contribution. Heating systems with environmentally friendly energy generation tend to become cheaper in the longer term and thus competitive with fuel oil and natural gas.

Service and repairs We are also happy to carry out repairs to your existing system or replace radiators, pumps, etc.
We look forward to your call!