Our company specializes in the comprehensive quality control of photovoltaic modules and the implementation of efficient energy systems in buildings. We monitor the module quality during production, delivery and check the functionality of the system after installation on the roof of our end customers. After installation, we offer a regular monitoring service (regular monitoring of the production/performance of the PV system). If problems arise, we cooperate with reliable partners to rectify faults and then carry out a thorough check to ensure that everything is working optimally again.

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.

BD Consult Énergie is the official distributor of GRUPEL generator sets. In offering you these products, we represent : • Over 45 years of unique know-how • Excellent value for money • Fully customizable generator sets • A wide range of products (from 3 to 3500kVA) DISCOVER OUR PRODUCT CATALOGS : • ALL PRODUCTS • THE PORTABLE RANGE • SPECIAL PROJECTS • TELECOMMUNICATIONS Our company, BD Consult Énergie, is located in the canton of Vaud, more precisely in Dompierre. We offer energy solutions for all your needs: Grupel generator sets. We use our experience, know-how, availability and responsiveness to find the right product for your needs.

Lütolf Dach und Wand AG – Your Expert for Roof and Façade Work in Villmergen, Freiamt, Aargau, and Zurich For over 70 years, Lütolf Dach und Wand AG has been your reliable partner for high-quality building envelope services. As the regional leader in flat roof systems and building waterproofing , we offer customized and long-lasting solutions for new constructions , renovations , and refurbishments . Our expertise covers a wide range of services, including pitched roofs , green roofs , sheet metal work , façade construction , scaffolding , and solar energy systems . Founded in 1946 by Xaver Lütolf, the company stands for craftsmanship, quality, and reliability. With a deep understanding of modern and functional roof and façade requirements, we deliver solutions that meet the highest standards. Our flat roof systems ensure effective building waterproofing , protecting your property from weather damage while optimizing energy efficiency. In addition to traditional pitched roofs , we focus on sustainable solutions like green roofs , which are not only visually appealing but also ecologically valuable and energy-efficient. Our skilled craftsmen in sheet metal work provide precise and aesthetically pleasing metal roofing and façade elements, while our façade construction enhances your building's exterior with both protection and style. Another key area of our services is the installation of solar energy systems , allowing you to embrace environmentally friendly and future-oriented energy solutions. Through comprehensive consultation and expert installation, we ensure the optimal use of solar energy for your home or business. Whether for new construction projects , refurbishments , or renovations , Lütolf Dach und Wand AG offers top-quality craftsmanship and professional solutions across the Freiamt , Aargau , and Zurich regions. Rely on our decades of experience and in-depth knowledge to bring your building project to success. Contact us for a comprehensive consultation and benefit from our tailored services, designed to meet your specific needs.

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.