Best Energy Efficiency Tech Companies in Finland
The 67 best Energy Efficiency Tech companies in Finland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: LIFAair.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in Finland
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LIFAair Manufacturer of air purification equipment and medical grade respiratory masks | $23M | 127 mo ago | Late Stage | Vesa Makipaa Founder & CEO | 1988 | Shogun Page BuilderCart FunctionalityShopify+15 | — | — |
| 2 | Sensire Provider of HSEQ software solutions for safety management and condition monitoring | $7M | 84 mo ago | Acquired | Jukkapekka Asikainen Founder and CEO | 2001 | HubSpot CMS HubAzureSegment+19 | 29 patents IoT tracking sensors, calibration methods, and wireless sensor network infrastructure. | 1 job opening |
| 3 | OptiWatti Room level optimization for temperature | $4M | 109 mo ago | Public | Jyri Seppa Co-Founder | 2013 | WordPressMySQLPHP+23 | 9 patents Load control and energy management for electricity distribution networks | — |
| 4 | Lumous IoT and Cloud-based OLED lighting solutions for commercial facilities | $3M | 161 mo ago | Series A | Kauko Vainamo Founder | 2007 | — | — | — |
| 5 | Nuuka Provider of SaaS & AI-powered building diagnostics software solutions | $644K | 85 mo ago | Seed | Petteri Terho CEO | 2012 | WordPress Block EditorWordPressMySQL+28 | — | — |
| 6 | BaseN Provider of a platform for digital twin and IoT solutions | $516K | 133 mo ago | Funding Raised | Pasi Hurri Founder & CEO | 2001 | WordPressMySQLPHP+32 | 19 patents Adaptive software migration and self‑determining runtime for heterogeneous IoT/edge devices | — |
| 7 | Fourdeg Solution to control building heating system | $127K | 114 mo ago | Seed | — | 2012 | — | 5 patents Adaptive predictive heating control and dynamic heat‑load balancing for HVAC systems | — |
| 8 | Enreport Cloud based platform for energy management | $20K | 36 mo ago | Seed | Aliya Shaykhullina Co-Founder | 2022 | — | — | — |
Top 12 Energy Efficiency Tech companies in Finland
#1
Seed · Espoo, Uusimaa · founded 2022 · 5 employees$20Kraised▾
Cloud based platform for energy management. It automates and optimizes the operation of generation and distribution companies in the energy industry. It offers energy forecasting solution to manage energy resources.
- 2023Seed$20K
#2
Late Stage · Helsinki, Uusimaa · founded 1988$23.1Mraised▾
Manufacturer of air purification equipment and medical grade respiratory masks. Products include air purifiers for indoor environments, ventilation duct cleaning machinery, and protective face coverings. These devices remove airborne particles and contaminants to maintain air quality in residential and commercial settings. The equipment utilizes filtration technology to capture fine particles and gases. Additional offerings include cleaning robots and cameras designed for maintenance of ventilation systems.
#3
Acquired · Joensuu, North Karelia · founded 2001 · 20 employees$6.8Mraised▾
Provider of HSEQ software solutions for safety management and condition monitoring. The company delivers digital product safety, temperature and condition monitoring, and task and document management. It offers features such as a dashboard and mobile application, real-time condition monitoring, and audit and reporting tools. The company's solutions support food, healthcare, retail, and public service industries.
- Jun 2019Series A$6.8M
#4
Public · Espoo, Uusimaa · founded 2013$4.4Mraised▾
Room level optimization for temperature. They install room sensors for each room and a controlling device for each heating element. The system takes into account the outside temperature and the price of electricity as well and also shows heat leaks on their dashboard. Users can monitor the temperature settings, energy saved, and leaks through their SaaS product.
- May 2017Series A$4.4M
- May 2015Seed—
#5
Seed · Helsinki, Uusimaa · founded 2012 · 14 employees$643.9Kraised▾
Provider of SaaS & AI-powered building diagnostics software solutions
- May 2019Conventional Debt$7.8M
- Jan 2017Seed$643.9K
- Jan 2017Grant (prize money)$107.3K
- Aug 2015Seed—
#6
Series A · Porvoo, Uusimaa · founded 2007 · 2 employees$2.7Mraised▾
IoT and Cloud-based OLED lighting solutions for commercial facilities. Their solutions are used for street, park, parking, and industrial lighting. iLUMNET intelligent lighting system is a wireless platform with modular points which can consist of a system as small as an independent fixture to multiple fixtures which can all be continuously connected by means of an iMASTER node if need be.
- Jan 2013Series A$2.7M
#7
Funding Raised · Helsinki, Uusimaa · founded 2001$516.4Kraised▾
Provider of a platform for digital twin and IoT solutions. The platform offers tools for managing data, monitoring networks, and optimizing industrial assets. It supports sectors including telecommunications, manufacturing, energy, and public infrastructure. The platform facilitates security monitoring, predictive maintenance, and resource optimization.
- May 2015Grant (prize money)$516.4K
#8
Seed · Tampere, Pirkanmaa · founded 2012 · 2 employees$126.9Kraised▾
Fourdeg has developed a solution to control water based building heating system. Company's solution include hardware device to connect radiators to cloud, a cloud system that uses neural networking for optimizing heating performance. All the devices are brought to a single platform from where they can be controlled. Solution can also balance the district heating network loading thus reducing cost. Company won the pitching competition at the Arctic15 conference and is backed by Finnish funding agency Tekes and Butterfly VC.
- Dec 2016Grant (prize money)$126.9K
- Oct 2016Seed—
- Jan 2016Grant (prize money)—
#9
Public · Tampere, Pirkanmaa · founded 2007 · 33 employees—raised▾
Indoor farming solutions provider enabling sustainable food production through advanced technology. The company offers superior indoor farming solutions for the retail and food industry, addressing food security challenges. It specializes in vertical farming technology, enabling the production of high-quality leafy greens, herbs, and other crops. The technology is highly efficient in terms of space, water, energy, and labor, promoting sustainable agriculture. The company delivers turn-key projects for customers worldwide, focusing on comprehensive solutions for vertical farming and faster business scalability. The company is a technology company that is enabling social impact through its business model.
- 2021Seed—
#10
Funding Raised · Helsinki, Uusimaa · founded 2012 · 6 employees—raised▾
Provider of solutions to improve the efficiency of the gas turbine. It provides technology to enable power generation with the electrical efficiency of Internal Combustion Engines (ICEs) along with the reliability, the availability, the ability to use several different fuels, and the reduced emissions of gas turbines. Its solution is based on pulsed deflagration combustion.
- Nov 2020Grant (prize money)—
#11
Seed · Vantaa, Uusimaa · founded 2015 · 2 employees—raised▾
SenzoLive provides cloud-based software to monitor the building occupancy. Uses occupancy sensors and desk sensors to monitor the desk, room, floor, and building-level occupancy. Offers heatmaps and reports for accessing daily office utilization patterns. Also offers an open API that supports integration into 3rd-party real estate software, facilities management, meeting room & desk booking systems and BMS/HVAC for occupancy-based ventilation control. Claims to enable CRE professionals to optimize the workspace, reduce operating costs and achieve efficiencies. Partners include Cisco, JLL, SAP and more.
- 2017Seed—
#12
Series A · Helsinki, Uusimaa · founded 2016 · 47 employees—raised▾
Leanheat offers building owners analytics-based optimization tools that reduce the cost of heating and enable preventive maintenance of buildings. By installing sensors in each flat, and with a central gateway acting as a light Building Management System, Leanheat can improve energy efficiency by 10-15% to homeowners and district heating providers. Over 6000 apartments are already in Leanheat control and maintenance.
- Sep 2016Series A—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Efficiency & Buildings is moving in Finland
A read on the academic research around Energy Efficiency & Buildings — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 197 Finland-affiliated papers.
- Aalto University84
- Lappeenranta-Lahti University of Technology38
- VTT Technical Research Centre of Finland30
- Tampere University15
- Åbo Akademi University15
- Energy management4→11
- Grid1→4
- Renewable energy2→5
- Electricity1→4
- Microgrid2→4
- Heat pump9→27
- Electricity1→12
- Energy management system2→10
- Energy management2→10
- Photovoltaic system1→8
- Heat pump1→6
Where energy efficiency is researched across Finland
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.