Electro H. Frei AG – Your Partner for Electrical Installations in Aargau Electro H. Frei AG is a premier company in the electrical industry with three locations in Hunzenschwil , Birr , and Auenstein . We provide comprehensive electrical services across the entire Aargau region, distinguished by our highly skilled employees, cutting-edge technology, and tailored solutions. Our Services Custom Electrical Concepts : At Electro H. Frei AG, we develop customized electrical concepts designed to perfectly meet your needs. Whether for commercial buildings or residential properties, we offer innovative and efficient solutions that adhere to the highest safety standards. Professional Electrical Installations : Our experienced electricians ensure precise and professional installation of all electrical systems. From home installations to industrial setups and smart home systems, we provide a full range of services under one roof. High-Quality Industrial Service : We place great emphasis on providing excellent industrial services. Our team ensures the smooth operation of your industrial equipment through regular maintenance and prompt repairs, minimizing downtime and ensuring continuous operational readiness. Electrical Engineering Consulting : Our expert team offers comprehensive consulting in all areas of electrical engineering. We assess your needs and provide tailored solutions that are both economically and technically optimal. Maintenance and Support for Electrical Systems : In addition to installation, we offer extensive maintenance and support for your electrical systems and equipment. Our services include regular inspections, preventive maintenance, and rapid response times for any issues or failures. Why Choose Electro H. Frei AG? • Experience and Expertise : With years of experience and extensive technical knowledge, we are your reliable partner for all electrical engineering needs. • Proximity to Clients : With locations in Hunzenschwil, Birr, and Auenstein, we are always close to you and can quickly respond to your requirements. • Quality and Reliability : We use high-quality materials and modern technology to provide durable and safe solutions. • Tailored Consulting : Our customized electrical concepts and solutions are precisely tailored to your specific needs. Contact us for personalized advice or a no-obligation quote. Visit us at one of our locations in Hunzenschwil , Birr , or Auenstein and discover how Electro H. Frei AG can handle your projects in Aargau with the utmost professionalism and expertise. We look forward to assisting you.

Herzlichen Dank für den Service. Das mit dem Abholen hat ja super geklappt und jetzt freue mich, mein Hochbeet mit den neuen Kräutern zu bepflanzen. Wünsche Euch eine gesunde Zeit.

Project Evolution SA is a company specialized in the construction of energy-efficient wooden houses and buildings. With over 20 years of experience and an operational headquarters in Grono (Canton of Graubünden) since 2020, it is organized to operate throughout Switzerland , managing every construction phase: from planning to final delivery. We work with Swiss precision and a rigorous technical approach, focusing on site organization, timeline compliance, and cost transparency. Structures and Building Systems • Wooden structures using X-LAM system with high static and energy performance • Prefabricated eco-friendly walls , with battens, double mineral wool insulation, and breathable finishes • Custom solutions for single-family homes, villas, extensions, elevations , and multi-storey buildings (up to 7 floors) Insulation and Living Comfort • Natural breathable insulation in rock wool or wood fiber • External thermal insulation systems using ecological, high-efficiency materials • Drywall partitions and suspended ceilings , perfectly smoothed and finished • Carefully executed interior finishes: smoothing, leveling, and surface preparation Interior Works and Installations • Supply and installation of high-efficiency windows and doors • Interior wall cladding and partition walls in drywall • Full coordination of technical installations (electrical, plumbing, mechanical ventilation) Sheet Metal and Roofs • Construction of ventilated and waterproof roofs • Custom-made metal sheet works : copper, aluminum, stainless steel • Gutters, flashings, chimney caps, and external finishes with maximum attention to detail Logistics and Material Transport Even the most complex construction sites are no challenge for us: we transport materials using any necessary method, including crane trucks, tractors, helicopters , or special solutions for isolated or hard-to-reach areas. Efficient organization is one of our core values. Why Choose Project Evolution SA • ✅ Over 2,000 projects completed in Switzerland and Italy • ✅ Advanced shell approach , with a single technical point of contact • ✅ Accuracy in installation, hidden details, and site management • ✅ On-time and on-budget delivery, no surprises • ✅ Expertise in eco-construction and certified natural materials • ✅ Solid experience with prefabricated and sustainable buildings Building with wood in Switzerland? Trust Project Evolution SA We create your eco-friendly wooden house, your sustainable building, or your custom project with maximum technical competence and attention to detail. From design to installation – we are by your side at every step. 📍 Active throughout Switzerland – Contact us for a quote or a personalized consultation.