Compare installers: contact details, locations and Tukes register entries in one place.
We list 19 companies in Espoo. Of those, 13 are in the Tukes register (checked 11 September 2026). The brands that come up most often are Mitsubishi Electric, Toshiba and Daikin.
Below is each company’s own page, with its contact details and the area it serves, and its offices on the map.
19 results
CR-Asennus is a Tukes-certified specialist in air source heat pumps, serving Espoo and the Uusimaa region. With over 20 years of experience, we sell, install, and service top market brands like Mitsubishi, Toshiba, and Panasonic. We offer high-quality, safe installations and maintenance for both households and businesses.
In the Tukes register: operating right L. Checked 11.9.2026.
✅ Tukes-certified Finnish family business founded in 2007 (originally Uudenmaan Kotisähkö Oy). The company specializes in the sale, installation, and service of air source heat pumps in the capital region and its surrounding municipalities. The service selection also includes cooling and air-to-water solutions.
The company states it is in the Tukes register. We have not confirmed this against the register.
Acosta Helsinki Oy (formerly Lämpödiileri) is a comprehensive building technology provider specializing in heating and cooling systems as well as HVAC technology. Services include ground source heat pumps, underfloor heating, renovations, and maintenance works. The company serves consumers, housing companies, and businesses in the Helsinki metropolitan area.
In the Tukes register: operating right y3, 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.
Hesatek (Maxei Finland Oy) specializes in the sale, installation, and maintenance of air heat pumps and EV charging stations in the Uusimaa region. As an authorized dealer, they represent top brands including Mitsubishi, Toshiba, Daikin, and Gree. Their services also cover comprehensive electrical work, lighting design, and fault repair services, backed by over 25 years of experience.
The company states it is in the Tukes register. We have not confirmed this against the register.
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.
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
Natural Sähkö Oy is a company specializing in electrical contracting, serving households, businesses, and the public sector in Southern Finland. It offers a wide range of electrical services, including installations, renovations, and maintenance, with a special focus on solar power systems, electric car charging stations, and smart electricity solutions.
In the Tukes register: operating right A. Checked 11.9.2026.
Tom Allen Senera is Finland's largest supplier of geothermal heating and heat recovery systems. The company designs, installs, and maintains energy-efficient heating solutions, such as ground source and air-to-water heat pumps, for properties of all sizes. Part of the Assemblin Caverion Group.
In the Tukes register: operating right L. Checked 11.9.2026.
✅ Tukes-certified company specializing in the installation of solar panels, charging stations, and air source heat pumps. The company holds an S2 qualification for electrical work up to 1000V. Services also include the connection of battery and off-grid systems, as well as complete project planning and implementation from start to finish.
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.
UV-Putki Oy is an HVAC and electrical company operating in Kirkkonummi and the Uusimaa region. They offer comprehensive plumbing, electrical, and maintenance services, including water, sewer, and heating system installations. Serving private customers, housing associations, and construction companies, they provide 24/7 on-call emergency service.
In the Tukes register: operating right A. Checked 11.9.2026.
Veikon Pumppu is an Espoo-based HVAC company specializing in the installation and maintenance of air source heat pumps. The service area covers the entire Helsinki metropolitan area. The company provides professional installation services ensuring energy-efficient operation of the equipment.
In the Tukes register: operating right L. Checked 11.9.2026.
✅ 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.
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.
Serves all of Finland
✅ Tukes-certified 1KOMMA5° Suomi (formerly LP-Solar Oy / Solar Age Oy) is a leading provider of smart energy solutions. Services include solar panels, batteries, EV charging stations, and air source heat pumps. The company is part of the European 1KOMMA5° Group, aiming for a carbon-neutral future and offering the intelligent Heartbeat energy management system.
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.
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Household tax credit: 35% of the labour share of a company invoice, up to €1,600 per person per year, with a €150 own share (Verohallinto, 10 February 2026). The government has proposed raising this to 40% and €2,100 for 2026–2027, retroactively from 1 January 2026 (HE 113/2026 vp, Eduskunta, 11 June 2026). Parliament has not passed the bill, and the tax administration still writes about it in the conditional (Verohallinto, 16 June 2026).
Sources:Verohallinto, 10 February 2026; Eduskunta, 11 June 2026; Verohallinto, 16 June 2026
We list 19 companies in Espoo, and 13 of them are in the Tukes register (checked 11 September 2026). The map above shows which of them work nearest to you; open a company’s own page for its contact details and service area.