Compare installers: contact details, locations and Tukes register entries in one place.
We list 8 companies in Hämeenlinna. Of those, 6 are in the Tukes register (checked 11 September 2026). The brands that come up most often are Mitsubishi Electric, Gree and Toshiba.
Below is each company’s own page, with its contact details and the area it serves, and its offices on the map.
8 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.
A plumbing (HVAC) company founded in 2014 and based in Lahti. Services include modern and traditional plumbing work, such as drain relining using spray-coating and lining methods, domestic water and heating network renovations, and the sale and installation of air-source heat pumps. Serves households, housing companies, and industry within an approximate 100km radius of Lahti.
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.
✅ Tukes-certified Lämpömanu is a company specializing in the sale, installation, and maintenance of air source heat pumps. [7, 9] Operating from Hollola, the company serves the Päijät-Häme, Uusimaa, and Kymenlaakso regions. [2, 7] Its main line of business is heating, plumbing, and air-conditioning installation. [2, 4]
In the Tukes register: operating right L. Checked 11.9.2026.
✅ Tukes-certified and registered refrigeration company that sells, installs, and services Toshiba air source heat pumps. LämpöJari is a company from Lammi, operating in the Hämeenlinna region and providing professional service. Also performs maintenance on all other brands.
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.
✅ Tukes-certified air source heat pump specialist in Uusimaa. SL City Services Oy sells, installs, and services heat pumps (e.g., Mitsubishi Electric) with professional expertise. We operate in Tuusula, Vantaa, and across Southern Finland. As an official Scanoffice reseller and 'Suomen Vahvimmat Platina' company, we offer turnkey solutions for residential, apartment, and industrial properties.
The company states it is in the Tukes register. We have not confirmed this against the register.
Authorized service center offering maintenance, repair, and installation for home appliances, heat pumps, and professional laundry equipment. Serving households, housing companies, and businesses with professional expertise. Services include spare parts and refrigeration equipment maintenance. The company holds the EcoCompass certificate.
In the Tukes register: operating right L. Checked 11.9.2026.
Enter your postal code and the service. Before you send anything you will see which companies your request goes to – at most three.
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 8 companies in Hämeenlinna, and 6 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.