Compare installers: contact details, locations and Tukes register entries in one place.
We list 10 companies in Jyväskylä. Of those, 9 are in the Tukes register (checked 11 September 2026).
Below is each company’s own page, with its contact details and the area it serves, and its offices on the map.
10 results
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.
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.
An HVAC company founded in 2005, offering comprehensive HVAC services with nearly 30 years of experience. Services include contracting and maintenance of heating, ventilation, water, and sewer systems. The company employs over 15 professionals and also has supervisory qualifications for the industry.
In the Tukes register: operating right A. Checked 11.9.2026.
Sähkömies Pitkänen Oy provides high-quality electrical services in the Jyväskylä region for private customers, companies, and housing associations. Operating since 1995, the company handles electrical work of all sizes, including apartment renovations, housing company electrification, and electrical planning.
In the Tukes register: operating right A. Checked 11.9.2026.
Sähkötekniikka Takala Oy specializes in solar power services and electrical contracting. We offer high-quality solar power solutions from planning to installation, as well as versatile electrical services for companies and private individuals in Jyväskylä and Central Finland. We provide reliable service with over ten years of experience.
In the Tukes register: operating right A. Checked 11.9.2026.
Tukes-certified S1 electrical contractor and staff-owned expert based in Jyväskylä. We serve companies in Central Finland, providing electrical installations, maintenance, solar power systems, and tele/data services. As part of the Elfin chain, we handle demanding projects, including retail and office electrification, with professional expertise.
In the Tukes register: operating right A. Checked 11.9.2026.
Serves all of Finland
Sähönen Oy is a Lahti-based electrical company specializing in solar power plants, electrical installations, EV charging solutions, and lighting. We serve households, companies, and housing associations throughout Finland with turnkey solutions. The company is a registered Reliable Partner (Luotettava Kumppani).
In the Tukes register: operating right A. Checked 11.9.2026.
A Jyväskylä-based company offering HVAC, plumbing, and electrical solutions driven by genuine integrity. The company provides comprehensive services including geothermal and air-to-water heat pump installations, as well as solar panel systems. Their services cover both new construction and renovation projects, focusing on correctly sized solutions tailored to the customer's needs.
In the Tukes register: operating right A. Checked 11.9.2026.
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.
Serves all of Finland
Lämpö Optimi Oy is a Finnish family business operating since 2012, specializing in drain lining, inspections, and pipe renovations. [3, 8] The company serves the whole of Finland, offering high-quality and cost-effective services to single-family houses and housing companies. [4, 5]
In the Tukes register: operating right A. Checked 11.9.2026.
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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 10 companies in Jyväskylä, and 9 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.