Serves all of Finland
Energio Finland Oy is a specialist in renewable energy solutions. The company sells and installs solar power systems, hybrid panels, bladeless wind power, and energy storage solutions. Energio serves consumers, businesses, housing associations, and farms across mainland Finland. Founded in 2021, the company operates with its own installation teams to ensure quality.
The company states it is in the Tukes register. We have not confirmed this against the register.
A Finnish pioneer in building technology services. ESP is a group focused on building technology contracting, maintenance, and upkeep. Services include turnkey contracting, HVAC & electrical contracting, maintenance services, energy management, and building automation. Operating widely in Southern and Central Finland.
In the Tukes register: operating right A (sj). Checked 11.9.2026.
Etelä-Suomen Lämpöasennus Oy is an HVAC company based in Lohja, serving the entire Uusimaa region. The company specializes in the sale, installation, and maintenance of air source heat pumps and air-to-water heat pumps. Their selection includes well-known brands such as Mitsubishi Electric, Panasonic, Gree, and Daikin. Services also include solar panel installations.
In the Tukes register: operating right e3, valid until 12.3.2029. Checked 11.9.2026.
Tukes-certified refrigeration and electrical company based in Espoo. Specializes in the installation and maintenance of air source and air-to-water heat pumps. Services also include electrical works, solar power systems, and EV charging stations. Serving the Uusimaa region with professional skill and a 2-year installation warranty. Authorized Toshiba and Mitsubishi Electric dealer.
In the Tukes register: operating right A. Checked 11.9.2026.
Tukes-certified electrical company based in Nurmijärvi, serving the Helsinki metropolitan area. We provide versatile electrical contracting, installations, maintenance, repairs, and air source heat pump sales and installation. We focus on flexible service, high-quality workmanship, and professional staff.
In the Tukes register: operating right A. Checked 11.9.2026.
Lämpökarhu Oy is a company specializing in heating solutions, offering ground source heat pumps, air-to-water heat pumps, and district heating equipment with installation and maintenance services. The company primarily serves housing companies and properties in the Uusimaa and Kanta-Häme regions, focusing on energy efficiency and reliability.
In the Tukes register: operating right A. Checked 11.9.2026.
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.
In the Tukes register: operating right A (sj). Checked 11.9.2026.
Lännen Maalämpö Oy sells, installs, and services geothermal and air-to-water heat pump systems on a turnkey basis. The company represents high-quality Thermia and Bosch brands and operates in the regions of South Ostrobothnia, Pirkanmaa, Central Finland, and Southwest Finland.
In the Tukes register: operating right A. Checked 11.9.2026.
Maalampoa.fi is an online store and installation service specializing in ecological and economical heating systems. The company provides ground source heat pumps, air-to-water heat pumps, and underfloor heating on a turnkey basis, from design to installation. Services also include other HVAC work in the Uusimaa region.
The company states it is in the Tukes register. We have not confirmed this against the register.
Serves all of Finland
Solar Finland Oy is a Finnish solar energy corporation covering the entire value chain of solar electricity. The group includes subsidiaries Salo Solar Oy (design and installation), Salo Tech Oy (manufacturing of SALO® Solar Panels), Salo Automation Oy, and Salo Energy Oy. The company manufactures high-quality solar panels in Salo, Finland, and provides reliable turnkey solar energy solutions.
The company states it is in the Tukes register. We have not confirmed this against the register.
PurePanel is a professional in preventive maintenance for solar energy systems. Services include solar panel cleaning, maintenance agreements, snow removal, and thermal imaging. The company helps customers, regardless of power plant size, to keep their systems safe, clean, and energy-efficient.
Lvienergia Oy specializes in solar power systems and plumbing renovations. The company offers HVAC installations, such as pipe renovations and hot water heater replacements. Operations are based on honesty, quality, and responsibility, with services offered in the regions of Central Finland, Uusimaa, Savo, and Kymenlaakso.
In the Tukes register: operating right A. Checked 11.9.2026.
Serves all of Finland
Rasol Oy is a Finnish renewable energy expert supplying and installing high-quality solar power systems, battery packs, and air source heat pumps across Finland. In 2023, Rasol Oy became part of the listed company Meriaura Group, which specializes in sustainable shipping and renewable energy.
In the Tukes register: operating right A. Checked 11.9.2026.
Valowatti is an expert company specializing in solar electricity, offering system design and installation services under one roof. The company delivers turnkey solar panel solutions for private homes, housing associations, businesses, and farms. Their service covers everything from initial mapping to installation and commissioning in the Southwest Finland and Satakunta regions.
In the Tukes register: operating right A (sj). Checked 11.9.2026.
Serves all of Finland
Volttikauppa Oy supplies grid-connected solar energy systems and products for private homes, business properties, and farms. Their services include turnkey packages and installation-ready solutions across Finland. The selection features solar panels, inverters, and mounting supplies with extensive warranties.
✅ 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.
In the Tukes register: operating right A (sj). Checked 11.9.2026.
Powertec Talotekniikka (Saariston asennuspalvelu) offers building technology solutions in Porvoo and Uusimaa. Services include sales, installation, and maintenance of air source heat pumps, ventilation duct cleaning, room-specific LTO ventilation units, and Ajax security systems. The company is a certified Bosch Heat Master and also installs off-grid solar panel systems.
The company states it is in the Tukes register. We have not confirmed this against the register.
✅ Tukes-certified electrical company founded in 1993. Offers electrical and energy solutions, such as electrical installations, air source heat pumps, solar panels, and electric car charging devices for homes and businesses in the Espoo, Helsinki, and Vantaa region, and by agreement throughout Southern Finland.
In the Tukes register: operating right A. Checked 11.9.2026.
Tukes-certified company providing energy-efficient solutions in the Helsinki area. Specializes in the sales, installation, and maintenance of air heat pumps, air-to-water heat pumps, geothermal systems, and solar panels. Services also include ventilation cleaning and chimney sweeping. Operates under the marketing name Energiansäästäjät.
The company states it is in the Tukes register. We have not confirmed this against the register.
Serves all of Finland
✅ Tukes-certified company specializing in energy-efficient heating and cooling solutions. LämpöYkkönen supplies and installs heat pumps and solar panels for homes and larger properties throughout Finland, making the transition to renewable energy easy on a turnkey basis.
In the Tukes register: operating right A. Checked 11.9.2026.
Suomen Sähkö- ja Kiinteistötekniikka Oy performs electrical and refrigeration installations, maintenance, and repairs comprehensively in the Uusimaa region. We also offer electrical services, air conditioning and heating, renewable energy solutions, as well as telecommunications and automation services.
In the Tukes register: operating right A (sj). Checked 11.9.2026.
✅ Tukes-certified company that sells, installs, and services air source heat pumps in the Uusimaa region. Services also include electrical, HVAC, and solar power solutions. The company offers well-known, reliable equipment and professional, customer-oriented service for households and businesses.
The company states it is in the Tukes register. We have not confirmed this against the register.
Serves all of 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.
The company states it is in the Tukes register. We have not confirmed this against the register.