Ackermann AG in Egnach delivers over 120 years of expertise in professional HVAC planning and energy consulting across Eastern Switzerland. We design heating, ventilation, air conditioning and sanitary systems for residential, commercial and industrial buildings. Our services include bathroom renovation coordination, heating system replacement planning, energy optimisation and sustainable solutions focusing on renewable energy. With technical competence, precision and a commitment to quality, we support architects, builders and private clients in realising efficient building technology concepts. Contact us for tailored HVAC planning.

Welcome to AZ‑Glasfasertechnik GmbH in Amriswil – your expert partner for powerful fibre optic solutions across Eastern Switzerland. From FTTH to FTTS or FTTB, we plan, install, splice, and connect your fibre lines from the central hub to your premises. Whether for homes or businesses, we build future-ready network infrastructures. With tailored consulting, precise execution, and on-site support, we deliver full-service fibre solutions that keep your data flowing fast and reliably.

As an experienced general contractor, we offer comprehensive solutions for new construction, building construction, civil engineering, remodeling, and renovations. Whether you’re building a new home, modernizing existing buildings, or planning your project from scratch – you’re in the best hands with us. With our full-service approach, we bring your visions to life efficiently and on time. Our team of skilled professionals supports you at every stage, from planning to handover, ensuring the highest standards of quality and reliability. Rely on our local expertise and years of experience for construction projects in Amriswil and surrounding areas that meet the highest expectations. Contact us for a personal consultation and see how we can turn your building project into reality!

For over a year, RUTECH GmbH has been delivering innovative and sustainable solar technology solutions throughout Switzerland. We design, install, and maintain customized photovoltaic systems for both private homes and businesses. Our mission: helping you gain energy independence through clean, renewable power. Rely on high-quality service, honest advice, and cutting-edge Swiss technology.