Rosenast Haustechnik AG (Wangen an der Aare)

The Rosenast company was founded in 1991 by Mario Rosenast as a 1-man business.

Our main areas are:

• Plumbing
• lightning protection
• heating systems
• Sanitary installations with the additional areas: solar (hot water) and
• water softening
• repair service
• A fair price-performance ratio is just as important to us as reliable and timely completion of orders

Test us!

Plumbing General plumbing work, lightning protection systems, metal facades, Prefa metal roofing.

With our tinsmith works we fulfill not only the weather protection of buildings against water, wind and cold but also aesthetic demands. We give you competent advice and plan with you all tinsmith and lightning protection works. As specialists we take into account the valid regulations and standards for the necessary submissions to the various authorities. We are always there for you, even when it rains!

Overview of our services in the field of plumbing

-planning and consulting -New buildings and conversions -lightning protection systems -Repairs and renovations -Sloping/flat roofing -Spengler works -Sheet metal roofs -sheet metal cladding

• gutters, eaves -chimney claddings -surrounding window sills with metal -general plumbing work -sloping/flat roofing -sheet metal work -sheet metal roofs -sheet metal cladding -gutters, eaves sheets -surrounding window sills with metal -general building plumbing work

lightning protection systems

With a lightning protection system we protect you and your building and safely divert the lightning current in case of an impact. The statistics of the GVB prove that there are no noteworthy cases of damage to buildings that are equipped with a professionally installed lightning protection system. building lightning protection.

Heaters Heat pumps, oil heating systems, solar, radiators, underfloor heating systems

Heating systems

• renovations - new installations - repairs -Heat pumps (brine-water, air-water) -oil and gas heating systems -pellet heating systems -lump wood heating systems
• radiators and floor heating

Heat pumps A heat pump works like an inverted refrigerator. Energy is extracted from the heat source, which can be outside air, soil or surface water, brought to a higher temperature level by a compressor and then released inside the building via floor heating or radiators. This technology can save a lot of energy.

Wood heating Wood is an ever renewable resource. Thanks to innovative research, wood boilers haute a clean and environmentally friendly installation with very good efficiency. Wood is a CO2 neutral fuel whether with logs or pellets.

Gas heating Gas heating is an environmentally friendly heating system that requires very little space.

Oil heating Modern oil heating is one of the proven heating systems. Combustion technology is advanced, resulting in low-pollution combustion with greatly reduced nitrogen oxide emissions. Modern condensation technology also makes it possible to use the exhaust heat, which saves more oil.

Sanitary Conversions - New buildings - Repairs

-cold and hot water pipes -Dirty water pipes -Kitchen, bathroom, toilets -water heating with solar, heat pump, electricity, etc. -rainwater utilization -Softening and dosing systems -pressure boosting -pump installations

Bathroom remodeling Pamper yourself in a new bathroom. We transform your old bathroom into a harmonious bathroom with ambiance. We offer you everything from one source. We make sure that your project will be realized professionally and on time.

Water heating Today there are many ways to heat the boiler. Be it with the sun, the heating or a heat pump boiler.