Solpaneler 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.

Hollolan Sähköautomatiikka Oy

Betjänar hela Finland

Hollolan Sähköautomatiikka Oy (HSA Oy) is a family-owned company specializing in backup power plants, generators, and related technology. Services include manufacturing, importing, maintenance, sales, and installation. Their product range covers aggregates, electric motors, solar energy systems, and customized backup power solutions.

I Tukes register: verksamhetsrätt L. Kontrollerat 11.9.2026.

Akku-Ässä Oy

Betjänar hela Finland

Akku-Ässä Oy is a specialized battery retailer with over 30 years of experience. The company specializes in batteries, solar power systems, and battery re-celling services. They provide sales and installation services for consumers and businesses, with branches in Mikkeli and Lahti, as well as an online store.

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.

Loistox Oy

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.

I Tukes register: verksamhetsrätt A (sj). 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.

Sähönen Oy

Betjänar hela 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).

I Tukes register: verksamhetsrätt A. 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.

T-Seal Oy

Tukes-certified electrical installation and refrigeration appliance company. Founded in 1994, this family business offers electrical contracting, maintenance, air source heat pumps, solar panels, and data networks in the Päijät-Häme region. Motto: "We do it as we would for ourselves".

I Tukes register: verksamhetsrätt A. 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.