Hammarin Sähkö Oy is Finland's oldest electrical company (est. 1909), based in Oulu. As a full-service electrical house, they offer comprehensive electrical installations, design, and contracting (S1 class). Their shop and online store provide lighting, electrical supplies, appliance spare parts, and maintenance services.
I Tukes register: verksamhetsrätt A (sj). Kontrollerat 11.9.2026.
Suomen Latausasennus Oy implements electric vehicle charging stations safely from planning to installation. Services include site surveys, electrical system expansions, installation of charging stations, as well as maintenance and fault repair. Customers include households, housing companies, businesses, and the public sector in the Oulu region.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
Betjänar hela Finland
Tukes-certified cooling appliance business specializing in energy-efficient heating solutions in the Oulu region. The product range includes air source heat pumps, air-to-water heat pumps, water heaters, and solar panels. The company offers comprehensive services from planning to installation and maintenance, selling well-known brands such as Mitsubishi Electric, Toshiba, and Panasonic.
I Tukes register: verksamhetsrätt e3, giltig till 12.3.2029. Kontrollerat 11.9.2026.
✅ Tukes-certified Oulu-based refrigeration specialist focused on property cooling, heat pump, and refrigeration systems. The company sells, installs, and services leading brands in the industry. Services also include comprehensive maintenance, and they hold an electrical contracting license (S3).
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Loistox Oy is a company specializing in solar power and the energy sector, which designs, sells, and installs solar power systems, air-to-water heat pumps, and air-source heat pumps on a turnkey basis. The company serves the entire Finnish territory, providing solutions for private homes, businesses, and farms.
I Tukes register: verksamhetsrätt A (sj). Kontrollerat 11.9.2026.
Lämpöfix is an HVAC installation company from Oulu, specializing in the renovation of domestic water and heating systems, renewable energy systems, geothermal heating, and underfloor heating. The company carries out all HVAC work as a complete contract for both new and renovation projects in Oulu and the surrounding municipalities.
I Tukes register: verksamhetsrätt A öljy. Kontrollerat 11.9.2026.
✅ Tukes-certified Oulun Ekolämpö Oy is a company specializing in heating and cooling solutions. It is an official reseller and warranty service provider for Scanoffice and Toshiba. The company sells, installs, and services air source heat pumps in the Oulu region and Northern Finland. Services also include electrical installations and contracting.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
Betjänar hela Finland
Solarum Suomi Oy is a Tukes-certified service company specializing in solar energy and heat pumps. They sell, design, and install solar panel systems, air-to-water heat pumps, and battery storage solutions on a turnkey basis. Their services cover private homes, housing companies, and businesses throughout Finland.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
Betjänar hela Finland
Solarvoima Oy is a specialist company founded in 2014, focusing on solar power systems and property batteries. They provide high-quality turnkey installations for detached houses, housing companies, and commercial properties throughout Finland. The company employs its own experienced installers and prioritizes high-quality workmanship and customer satisfaction.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
Betjänar hela Finland
Pohjoisen Sähkö ja Kiinteistö Oy (A-Maailma) is a Tukes-certified electrical contractor based in Oulu, Finland. Specializing in solar power systems and energy storage solutions, the company offers nationwide installation services for residential, commercial, and housing association clients. Their expertise also covers general electrical installations and design.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
Teknicool Oy is a Tukes-certified cooling appliance contractor specializing in air source heat pumps in the Oulu region. Their services include the sales, professional installation, and maintenance of heat pumps, as well as small electrical works for households. Key brands include Mitsubishi, Toshiba, and Panasonic. They also offer refrigerated trailer rentals.
I Tukes register: verksamhetsrätt y3. Kontrollerat 11.9.2026.
✅ Tukes-certified Wirmax is a modern building technology group offering comprehensive HVAC, electrical, automation, and security solutions. We serve households, companies, and housing associations with maintenance, installation, and contracting needs. The group employs over 100 professionals and operates in Uusimaa, Central Finland, and Northern Finland.
I Tukes register: verksamhetsrätt A (sj). Kontrollerat 11.9.2026.
Tukes-certified SLK-Asennus Oy is a company operating in the Oulu and Siikalatva region. We provide electrical, air heat pump, and refrigeration installations with solid professional skill. We hold S2 electrical and over 3kg refrigeration permits. Our services also include water coolers and rental of camper vans and flatbed trailers.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
An electrical company operating in the Oulu region, offering comprehensive electrical installation, renovation, and contracting services to both private and corporate customers. Services also include the installation of air source heat pumps, solar panels, and charging stations for electric cars. The company serves everything from small installations to large projects with over 20 years of experience.
I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.
Betjänar hela Finland
Kotisol Oy is a company specializing in the installation of solar power systems, serving private houses, companies, and farms throughout Finland. It offers comprehensive "turnkey" installation services through its partners and has completed over 5,000 energy renovations. The company's electricians have the appropriate contracting rights.
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