Bergvärme Lahtis

ESP Suomi Oy

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.

I Tukes register: verksamhetsrätt A (sj). Kontrollerat 11.9.2026.

Geokaivot oy

Betjänar hela Finland

Geokaivot Oy offers geothermal heating and cooling solutions utilizing natural energy for properties. The company provides geothermal heat, ground cooling, and turnkey solutions throughout Finland. Their services include drilling, collection pipe installation, and earthworks using modern equipment, ensuring a reliable and environmentally friendly result.

Suomen Vesitekniikka Oy

Suomen Vesitekniikka Oy specialized in HVAC services for detached houses, apartment buildings, and commercial properties. Their expertise included pipe renovations, sewer renovations, heating systems, and ventilation maintenance. The company was declared bankrupt in 2024.

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Combi Mont

✅ Tukes-certified Combi Mont (Ab Åker-Lind Oy) sells, installs, and services high-quality air heat pumps, air-to-water heat pumps, and ground source heat pumps. We represent Daikin heat pumps. We serve the area of Helsinki, Porvoo, Lahti, Liljendal, Loviisa, and Kotka. Reliable service with professional expertise.

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Lämpöjokeri Oy

✅ Tukes-certified Lämpöjokeri Oy is a full-service heat pump provider with 20 years of experience in energy renovations. We offer air-to-water heat pumps, geothermal heat pumps, solar power systems, and electric car charging stations as a turnkey service for households, companies, and housing cooperatives.

I Tukes register: verksamhetsrätt e3, giltig till 12.3.2029. Kontrollerat 11.9.2026.

Lämpösäätö Oy

Lämpösäätö Oy is a company specializing in the installation, maintenance, and repair of heating systems with over 50 years of experience. Services include air-to-water heat pumps, geothermal, district heating, oil, and gas heating systems, as well as HVAC work for individuals, companies, and municipalities in the Lahti region.

I Tukes register: verksamhetsrätt A kaasu. Kontrollerat 11.9.2026.

Lämmöx Oy

Lämmöx Oy is a company specializing in the installation and renovation of heat pumps and hydronic heating systems. Services include the sale, installation, and maintenance of air source, ground source, and air-to-water heat pumps for new and renovation projects. Additionally, the company performs HVAC work for properties, from tap replacements to plumbing renovations.

I Tukes register: verksamhetsrätt e3, giltig till 12.3.2029. Kontrollerat 11.9.2026.

Lämpökulma Oy | Lämpöpumppumyymälä Lahti

Lämpökulma Oy is a heat pump specialty store that sells, installs, and services heat pumps on a turnkey basis in Lahti and Mikkeli. The company offers reliable building technology solutions and HVAC products, and handles work related to heating, domestic water, and ventilation.

I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.

MV-Jäähdytys Oy

Betjänar hela Finland

✅ Tukes-certified cooling equipment service company that installs, repairs, and maintains all imported cooling equipment, cold rooms, heat pumps, and professional kitchen appliances in Finland. The service network covers the whole of Finland, offering solutions for both businesses and households.

I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.

Lahden Lämpöpumput Oy

Lahden Lämpöpumput Oy is a company specializing in heat pump solutions. It offers and installs suitable heating and cooling solutions, with main products including ground source, air-to-water, and air-source heat pumps in the Lahti region.

I Tukes register: verksamhetsrätt e3, giltig till 12.3.2029. Kontrollerat 11.9.2026.

Sipilän Sähkö Oy

Tukes-certified electrical company. Sipilän Sähkö Oy is an electrical contractor founded in 2014 and a member of the Elfin chain. Serving companies, housing associations, and households in the Päijät-Häme region. Our services include electrical installations, solar power systems, EV charging stations, and fault repairs.

I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.

LVI-Masafix

✅ Tukes-certified HVAC company in the Lahti and Hollola area, specializing in heat pump installations and comprehensive HVAC contracting for single-family, semi-detached, and terraced houses. Offers installation, maintenance, and repair services for heating, water, and ventilation systems. Also operates as an authorized Uponor KOTI contractor.

I Tukes register: verksamhetsrätt e3, giltig till 12.3.2029. Kontrollerat 11.9.2026.

LämpöYkkönen Oy

Betjänar hela 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.

I Tukes register: verksamhetsrätt A. Kontrollerat 11.9.2026.

Lemkem Oy

Betjänar hela Finland

Established in 1985, Lemkem is a provider of energy and lighting solutions for properties. It offers comprehensive solutions in geothermal heat, solar energy, lighting, and heat recovery. The company specializes in its own design and installation, serving housing companies, commercial properties, municipalities, and cities.

Suomen Porakaivo

Betjänar hela Finland

Suomen Porakaivo (Cleacap Oy) is a professional well drilling company established in 1993. The company provides water wells and geothermal wells as turnkey solutions. Their services also include pump installations, maintenance, well washing, and pressure opening. They operate specialized equipment suitable for demanding terrains.