Woltair - About the company
Woltair is a series B company based in Zlicin (Czech Republic), founded in 2018 by Karel Naprstek and Daniel Helcl. It operates as a Provider of clean energy solutions including photovoltaics, heat pumps, and charging stations. Woltair has raised $37.6M in funding from investors like The Westly Group, ArcTern Ventures and Fifth Wall. The company has 24 active competitors, including 1 that is funded. Its top competitors include companies like TRESERVIS elektro, GeoEnergo plus and Photon Energy.
Company Details
Provider of clean energy solutions including photovoltaics, heat pumps, and charging stations. The company integrates devices for a shared energy consumption model. It offers tailored solar power generation systems and compares heat pump brands. Fast and reliable maintenance for clean energy devices is available. The company also provides charging stations for electric cars.
- Website
- woltair.com
- Social
- Email ID
- *****@woltair.com
- Phone Number
- +420 **********
Key Metrics
Founded Year
2018
Location
Zlicin, Czech Republic
Stage
Series B
Total Funding
$37.6M in 3 rounds
Latest Funding Round
Investors
Ranked
1st among 24 active competitors
Employee Count
90 as on Jul 13, 2025
Sign up to download Woltair's company profile
Woltair's funding and investors
Woltair has raised a total funding of $37.6M over 3 rounds. Its first funding round was on 2021. Its latest funding round was a Series B round on Jun 07, 2023 for $*****. 5 investors participated in its latest round. Woltair has 10 institutional investors.
Here is the list of recent funding rounds of Woltair:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Jun 07, 2023 | 5581261 | Series B | 1231655 | 7128203 | 2116668 | 1544335 |
Sep 27, 2022 | 5055605 | Series A | 5351125 | 5953898 | 8813938 | |
2021 | 4418 | Seed | 1010 | 1670 | 9491 |
Access funding benchmarks and valuations. Sign up today!View details of Woltair's funding rounds and investors
Woltair's founders and board of directors
Founder? Claim ProfileThe founders of Woltair are Karel Naprstek and Daniel Helcl.
Here are the details of Woltair's key team members:
- Karel Naprstek: Co-founder & Head Of Technology of Woltair.
- Daniel Helcl: Former Co-Founder & CEO of Woltair and founder of 1 other company. Contact Info: 1 email address
View details of Woltair's Founder profiles and Board Members
Woltair's employee count trend
Woltair has 90 employees as of Jul 25. Here is Woltair's employee count trend over the years:
Uncover Woltair's growth story! Sign up today!
Access Tracxn on any website
Install Tracxn ExtensionOur Google Chrome extension lets you view company details while browsing their websites
Woltair's Competitors and alternates
Top competitors of Woltair include TRESERVIS elektro, GeoEnergo plus and Photon Energy. Here is the list of Top 10 competitors of Woltair, ranked by Tracxn score:
Get insights and benchmarks for competitors of 2M+ companies! Sign up today!
Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st |  Woltair 2018, Zlicin (Czech Republic), Series B | Provider of clean energy solutions including photovoltaics, heat pumps, and charging stations | $37.6M | 43/100 | |
2nd |  TRESERVIS elektro 2024, Ceske Budejovice (Czech Republic), Unfunded | Provider of high-quality solar energy solutions for residential and industrial properties | - | - | 25/100 |
3rd |  GeoEnergo plus 2023, Ostrava (Czech Republic), Unfunded | Company involved in energy services but is currently facing insolvency proceedings | - | - | 25/100 |
4th |  Photon Energy 2008, Prague (Czech Republic), Unfunded | Připojte se k obnovitelné energii | Photon Energy | - | - | 23/100 |
5th |  Schlieger 2012, Prague (Czech Republic), Unfunded | Provider of photovoltaic power plants, heat pump, water heater, and other related products | - | - | 22/100 |
6th | CEZ Energo 2011, Prague (Czech Republic), Funding Raised | Company specializes in the production, distribution, and supply of thermal and electrical energy, primarily serving large industrial clients | - | 21/100 | |
7th | SOMI 2022, Prague (Czech Republic), Unfunded | Provider of solar energy services for residential & commercial | - | - | 21/100 |
8th |  LSK Green Group 2023, Nusle (Czech Republic), Unfunded | Renewable energy company specializing in customized energy solutions | - | - | 21/100 |
9th |  RMT 1992, Frydek Mistek (Czech Republic), Unfunded | Provider of measuring, analytical, and control systems for industries such as automation, lasers, and paper and pulp | - | - | 20/100 |
10th |  PETEON TECH Prague (Czech Republic), Unfunded | Developer of renewable energy solutions for buildings | - | - | 18/100 |
Get insights and benchmarks for competitors of 2M+ companies! Sign up today!Looking for more details on Woltair's competitors? Click here to see the top ones
Woltair's Investments and acquisitions
Woltair has made no investments or acquisitions yet.
Reports related to Woltair
Here is the latest report on Woltair's sector:
News related to Woltair
•
•
Woltair powers up with €20.5 Million funding to accelerate residential clean energyTech.eu•Jun 07, 2023•Woltair, ArcTern Ventures, Inven Capital, The Westly Group and 3 others
•
Another €50 million on the table, as Inven Capital and EIB broaden tiesTech.eu•Feb 09, 2023•Inven Capital, Sunfire, Woltair
•
Woltair s.r.o.’s EUR 16.3 Million Series A Funding RoundGlobal Legal Chronicle•Oct 13, 2022•Woltair, ArcTern Ventures, The Westly Group, Aternus and 1 other
Get curated news about company updates, funding rounds, M&A deals and others. Sign up today!Are you a Founder ?
FAQs about Woltair
Explore our recently published companies
- Roomthree - 2000 founded, Unfunded company
- Patricktogher - Unfunded company
- Pixelsoup - 1995 founded, Unfunded company
- Qantara AI - Qatar based, 2026 founded, Unfunded company
- Vranya - India based, 2026 founded, Unfunded company
- Custory - 2026 founded, Unfunded company
