Best Energy Efficiency Tech Companies in Uusimaa, Finland
The 32 best Energy Efficiency Tech companies in Uusimaa, 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 Uusimaa
| # | 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 | 132 mo ago | Late Stage | Vesa Makipaa Founder & CEO | 1988 | Shogun Page BuilderCart FunctionalityShopify+15 | — | — |
| 2 | OptiWatti Room level optimization for temperature | $4M | 113 mo ago | Public | Jyri Seppa Co-Founder | 2013 | WordPressMySQLPHP+23 | 9 patents Smart grid load control and demand‑response energy management systems | — |
| 3 | Lumous IoT and Cloud-based OLED lighting solutions for commercial facilities | $3M | 165 mo ago | Series A | Kauko Vainamo Founder | 2007 | — | — | — |
| 4 | Nuuka Provider of SaaS & AI-powered building diagnostics software solutions | $644K | 90 mo ago | Seed | Petteri Terho CEO | 2012 | WordPress Block EditorWordPressMySQL+28 | — | — |
| 5 | BaseN Provider of a platform for digital twin and IoT solutions | $516K | 138 mo ago | Funding Raised | Pasi Hurri Founder & CEO | 2001 | WordPressMySQLPHP+32 | 19 patents Adaptive software migration and self‑configuring host/IoT systems based on device capabilities | — |
| 6 | Enreport Cloud based platform for energy management | $20K | 40 mo ago | Seed | Aliya Shaykhullina Co-Founder | 2022 | — | — | — |
| 7 | Finno Exergy Provider of solutions to improve the efficiency of gas turbine | — | 71 mo ago | Funding Raised | Timo Eramaa Co-Founder & CEO | 2012 | — | 10 patents Pistonless deflagration combustion control systems for efficient power generation | — |
| 8 | SenzoLive Cloud based software to monitor the building occupancy | — | 112 mo ago | Seed | — | 2015 | — | — | — |
Top 10 Energy Efficiency Tech companies in Uusimaa
#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
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—
#4
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—
#5
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
#6
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
#7
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)—
#8
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—
#9
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—
#10
Seed · Espoo, Uusimaa · founded 2010—raised▾
IoT and AI-enabled building energy management solutions. Features include remote management and maintenance of equipment and premises, remote control and monitoring, and automatic trading of components, electricity, heat, and other production resources. It also offers software kits that include IoT software toolkits, customizable hardware platforms, consulting, and support.
- Aug 2011Seed—
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.