Compare installers: contact details, locations and Tukes register entries in one place.
We list 5 companies in Siuntio. Of those, 5 are in the Tukes register (checked 11 September 2026). The brands that come up most often are Mitsubishi Electric, Daikin and Gree.
Below is each company’s own page, with its contact details and the area it serves, and its offices on the map.
5 results
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.
Lohjan LVI- ja Lämpöasennus is an HVAC installation company that offers services in the Western Uusimaa region, including maintenance and installations. Their services include faucet and toilet installations, heating and plumbing work, as well as heating system maintenance and repairs. The company serves the areas of Lohja, Nummela, Vihti, and Karjalohja.
In the Tukes register: operating right C kaasu. Checked 11.9.2026.
SP-Kylmähuolto Oy is a refrigeration and heat pump expert company founded in 2016, operating in the Uusimaa region. The company maintains, repairs, sells, and installs cooling equipment, air heat pumps, and ground source heat pumps. SP-Kylmähuolto is a certified expert company serving both households and businesses with 24h on-call service.
In the Tukes register: operating right L. 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.
Lohjan Lämpöhuolto is a full-service HVAC maintenance company with over ten years of experience. The company offers HVAC installations, maintenance, and 24-hour on-call services. Services also include the sale, installation, and maintenance of heat pumps. The area of operation includes the Helsinki metropolitan area, Lohja, Vihti, Kirkkonummi, Siuntio, Inkoo, Raasepori, Karkkila, Nurmijärvi, Salo, and Somero.
In the Tukes register: operating right e3, valid until 12.3.2029. Checked 11.9.2026.
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Published prices across Finland run €1,500–€4,500. €1,500–€3,000 installed — a marketplace’s stated range (urakkamaailma.fi, 21 May 2026). €1,500–€3,500 installed — a vendor’s stated range (aaltoair.fi, 2026). €1,700–€4,500 installed — a vendor’s stated range (kevytremppa.fi, 2026). Some sources price the labour on its own, which is a different product under the same word: €600–€1,350 the installation job alone — median of 31 verified jobs (urakkadiili.fi, 7 January 2026). Usually quoted separately: a dedicated electrical circuit, extra indoor units, scaffolding or a lift, condensate heating cable and a bracket for a difficult façade.
Sources:urakkamaailma.fi, 21 May 2026; aaltoair.fi, 2026; kevytremppa.fi, 2026; urakkadiili.fi, 7 January 2026
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
The grant is closed. Applications ended on 25 May 2026 at 16.15, the appropriation was spent in full and over 300 applicants received nothing. It used to pay €4,000 / €2,500 depending on the replacement system (Elinvoimakeskus, 1 September 2026). Giving up oil heating altogether carries an elevated credit of 60% of the labour share, up to €3,500 per person, in force until 31 December 2027 (Verohallinto, 10 February 2026).
Sources:Elinvoimakeskus, 1 September 2026; Verohallinto, 10 February 2026
The regulatory default seasonal factor is 2.8 (Ympäristöministeriö, 20 December 2017). Once the losses of actually delivering the heat into the rooms are counted, the effective factor is 1.8–3.0, and in one and the same old detached house the annual electricity saving from a single unit ranges 6,420–9,560 kWh on unit quality alone (VTT, 2016). Anyone quoting one number without naming the house and the unit is guessing.
We list 5 companies in Siuntio, and 5 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.