Best Energy Efficiency Tech Companies in Austria
The 47 best Energy Efficiency Tech companies in Austria in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ecop.
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 Austria
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ecop Developer of industrial rotation heat pump technology for waste heat recovery | $23M | 14 mo ago | Series B | — | 2007 | WordPressMySQLPHP+18 | 10 patents Thermal energy conversion devices for waste heat recovery and heat‑to‑electric power. | — |
| 2 | Wowflow SaaS-driven maintenance management software for owners and property managers | $1M | 48 mo ago | Seed | Misha Voronko Co-Founder | 2012 | — | — | — |
| 3 | Wohnio Provider of heating optimization solutions for residential and commercial properties | $1M | 10 mo ago | Seed | Kevin Bauer Founder & CEO | 2023 | Framer SitesYouTubeReact+7 | — | — |
| 4 | LineMetrics Lean Industrial Environment Metrics | $400K | 152 mo ago | Seed | Reinhard Nowak Co-Founder | 2012 | WordPress Block EditorWordPressZoho+24 | — | 1 launch |
| 5 | SA-Energietechnik Provider of heat pumps and heating solutions | $163K | 24 mo ago | Seed | Alfons Schinagl Managing Director | — | PHPVideoJSRequireJS+7 | 4 patents Engine load management systems and piston depression mechanisms for internal combustion engines | — |
| 6 | NETxAutomation Provider of web-based building management software | $118K | 83 mo ago | Funding Raised | Pawel Furtak Owner | 2001 | Cart FunctionalityJoomlaPHP+9 | — | — |
| 7 | Ponix Systems Provider of notary and legal document services | $115K | 92 mo ago | Funding Raised | Alexander Penzias Co-Founder & CEO | 2014 | — | — | — |
| 8 | Balun Energy Provider of energy management solution | — | 30 mo ago | Seed | Giovanni Superti-Furga Co-Founder & CEO | 2023 | — | — | — |
Top 12 Energy Efficiency Tech companies in Austria
#1
Series B · Vienna, Vienna · founded 2007 · 11 employees$23.2Mraised▾
Developer of industrial rotation heat pump technology for waste heat recovery. It provides rotation heat pumps utilizing a patented technology for industrial applications. The heat pumps recover waste heat and efficiently elevate it to high temperatures for industrial processes, district heating, and cooling. The technology offers flexibility in applications such as heat boosting and combined heating/cooling processes.
- May 2025Series B$12M
- Jul 2024Grant (prize money)$9.2M
- Aug 2018Grant (prize money)$2M
#2
Seed · Vienna, Vienna · founded 2023$1.3Mraised▾
Provider of heating optimization solutions for residential and commercial properties. The company offers services to digitize and decarbonize heating systems. It facilitates the transition to green energy systems. The company provides portfolio oversight, continuous optimization, and early detection of system defects.
- Sep 2025Seed$939.3K
- Feb 2025Seed$359.2K
#3
Seed · Mayerhofen, Niederosterreich$162.5Kraised▾
Provider of heat pumps and heating solutions. It specializes in the design and installation of heat pumps, solar panels, and energy management systems for residential and commercial customers.
#4
Seed · Vienna, Vienna · founded 2012 · 13 employees$1.4Mraised▾
SaaS-driven maintenance management software for owners and property managers. It facilitates users with work request management, issue reporting, delegation, documentation, onboarding, cost efficiency, and more. The apps are available on Android and iOS devices.
- Aug 2022Seed$1M
- Feb 2021Seed$364.6K
#5
Seed · Amstetten, Lower Austria · founded 2012 · 11 employees$400Kraised▾
LineMetrics is an online cloud based solution for machine data acquisition (DAQ). LineMetrics allows its users to visualize and evaluate performance data and key performance indicators of production line machines and factory environment. LineMetrics consists of web based software and hardware sensors and gateways for raw data recording. The central cloud service allows rules based alert configuration, real time data display, as well as metric measurement and documentation. Overall benefits include improved productivity, reduced down time and easy identification of bottlenecks.
- Dec 2013Angel$400K
#6
Funding Raised · Wels, Upper Austria · founded 2001$117.8Kraised▾
NETxAutomation is a provider of web-based building management software. The software automates the building management process. The company offers 'NETx Multi-Protocol Server' - an automation system for controlling and managing building services. It also provides web-based visualization tools. It can be used by hotels, offices, shopping malls, airports, and more.
- Sep 2019Grant (prize money)$117.8K
#7
Funding Raised · Wiener Neustadt, Lower Austria · founded 2014 · 5 employees$115.2Kraised▾
Provider of notary and legal document services. These services include apostille, authentication, divorce documentation, real estate transaction paperwork, estate administration documents, powers of attorney, and signature verification. The company also offers digital notarization services for remote document signing. It assists clients with the legal preparation and execution of various documents.
- Nov 2018Grant (prize money)$56.9K
- Jun 2018Grant (prize money)$58.3K
#8
Seed · Vienna, Vienna · founded 2023—raised▾
Provider of energy management solution. It provides production forecasting tool to enable electricity management. It provides necessary insights to improve performance and help accelerate the energy transition.
- Jan 2024Seed—
#9
Seed · Vienna, Vienna · founded 2020 · 21 employees—raised▾
Provider of energy efficiency as a service. It offers solutions such as data analytics, energy efficiency management, and more.
- Jan 2022Seed—
#10
Funding Raised · Haag Am Hausruck, Upper Austria · founded 1978 · 160 employees—raised▾
Manufacturer of heat pumps. The company offers a full range of heat pumps for domestic, commercial and industrial use which includes space heating systems, floor and wall heating units and heating and cooling systems.
#11
Acquired · Graz, Styria · founded 2010 · 3 employees—raised▾
Meo Energy is a fully automatic control system for homes to take care of energy and other activities. All energy sources and energy flows in the house are controlled and monitored by Meo using Meo BOX, a single high-tech control device which can network and optimize all energy sources and energy consumers like heating, solar system, water heating, battery storage, air conditioning, pool system, electric car charging station, small wind turbine.
- Jul 2017Series A—
#12
Funding Raised · Dornbirn, Vorarlberg · founded 1956—raised▾
Tridonic, a subsidiary of Zumtobel Group designs, develops, manufactures, and sells lighting components, lighting management systems, electrical components, and LED solutions. Their main focus is on LED products with applications in retail, office education, outdoor and industry.
Funding & investor landscape
Amazon Web Services1 roundsNotable 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 flat
How research on Energy Efficiency & Buildings is moving in Austria
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 198 Austria-affiliated papers.
- TU Wien61
- Austrian Institute of Technology46
- Universität Innsbruck22
- Graz University of Technology21
- Montanuniversität Leoben6
- Energy management2→10
- Energy management system2→4
- Heat pump12→40
- Process engineering2→10
- Renewable energy5→12
- Heat exchanger2→8
- Air source heat pumps1→7
- Heat pump1→5
- Renewable energy1→4
- Thermal energy storage1→4
- Renewable heat2→4
Where energy efficiency is researched across Austria
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
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.