Where does Airthium rank among its competitors?

Airthium ranks 242nd amongst 229 active competitors, of which 21 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Cala Systems, which secured $2.55M in Oct, 2026.

Who are the top competitors of Airthium?

Airthium's top competitors include Aira, ecop and Mixergy. Among them, Cala Systems secured the most recent funding round in October, 2026.

Airthium - 2026 Company Profile & Competitors

Airthium is an unfunded company. It operates as a Developer of containerized heat pumps for industrial process heat applications. Airthium has not raised any funding yet. The company has 229 active competitors, including 21 funded and 14 that have exited. Its top competitors include companies like Aira, ecop and Mixergy.

Company Details

Developer of containerized heat pumps for industrial process heat applications. These systems integrate with existing gas boilers to provide hybrid heating solutions for manufacturing facilities. The technology utilizes a Stirling machine to upgrade ambient or waste heat into thermal energy, optimizing consumption based on electricity and gas prices. The units are designed for industrial temperature requirements and enable flexible energy usage for factories.

Key Metrics

Stage

Unfunded

Ranked

242^nd among 242 competitors

Similar Companies

Aira & 152 more

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Airthium has not raised any funding rounds yet.

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Top competitors of Airthium include Aira, ecop and Mixergy. Here is the list of Top 10 competitors of Airthium, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Aira 2022, Stockholm (Sweden), Series C	Provider of clean energy solutions and heat pumps for sustainable homes	$333M	Temasek, Kinnevik & 8 others	60/100
2nd	ecop 2007, Vienna (Austria), Series B	Provider of industrial high-temperature heat pumps for efficient heat recovery and decarbonization	$12M	KSB SE & Co, European Innovation Council & 7 others	56/100
3rd	Mixergy 2014, Oxford (United Kingdom), Series C	Provider of app-based residential heat storage solution	$37.9M	Foresight Williams, Barclays & 13 others	51/100
4th	Intellihot 2005, Galesburg (United States), Acquired	Manufacturer of commercial tankless water heaters and related support services	$65.5M	Energy Foundry, Central Illinois Angels & 15 others	51/100
5th	Thermondo 2012, Berlin (Germany), Acquired	Provider of heating systems, photovoltaics, energy management, and dynamic electricity tariffs	$56.3M	HV Capital, Global Founders Capital & 13 others	51/100
6th	NIBE Group 1952, Markaryd (Sweden), Public	Provider of sustainable energy solutions contributing to reducing greenhouse gas emissions globally	-	ELM Responsible Investments, Europa	50/100
7th	Bradford White 1881, Ambler (United States), Unfunded	Provider of energy-efficient water heating systems for residential, commercial, and industrial applications	-	-	48/100
8th	Harvest Thermal 2019, California City (United States), Series A	Provider of thermal battery systems for heating, cooling, and hot water	$16.3M	Climate Capital, Astia & 17 others	46/100
9th	Reservoir 2024, Boston (United States), Seed	Provider of intelligent electric water heaters that optimize comfort, efficiency, and savings	$13.1M	Founder Collective, ACP Partners & 2 others	46/100
10th	Cala Systems 2019, Somerville (United States), Series A	Provider of intelligent heat pump water heaters for efficient, low-cost hot water	$22.8M	Clean Energy Venture Group, Climate Capital ... & 6 others	45/100
242nd	Airthium Unfunded	Developer of containerized heat pumps for industrial process heat applications	-	-	-