Alternatives to Heirloom
Heirloom is a Climate Tech tool: direct air capture startup using limestone to remove CO2 from the atmosphere at scale. Here are the 60 closest alternatives, compared on pricing, features and what real users say.
The 20 closest Climate Tech companies to Heirloom
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Carbon Clean49Climate TechLondon, United Kingdom$195.0MIndustrial carbon capture technology company offering modular CycloneCC systems that retrofit onto existing industrial emitters.
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Membrane Technology & Research51Climate TechNewark, USA$27.0MMembrane technology for carbon capture, hydrogen, and natural gas.
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Carbon Engineering47Climate TechSquamish, Canada$68.0MCanadian climate solutions company developing direct air capture technology to remove CO2 from the atmosphere.
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Climeworks45Climate TechZurich, Switzerland$162.0MDirect air capture technology to remove CO2 from the atmosphere and store it permanently.
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Carbon removal services using enhanced rock weathering to combat climate change.
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Phlair49Climate TechMunich, Germany$16.1MDevelops scalable, low-cost direct air capture technology using an electrochemical process.
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Carbon Blue54CleantechSan Francisco, United States$10.0MTechnology that removes CO2 from water, turning water infrastructure into carbon capture facilities.
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Mombak54Climate TechMiami, United StatesMombak is a carbon removal company focused on planting native trees.
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South Pole63Climate TechZurich, Switzerland$20.0MGlobal climate solutions provider helping organizations achieve net-zero emissions.
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Converts carbon emissions and waste into green liquid fuels and chemicals.
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Mitti Labs59Climate TechBengaluru, India$9.5MClimate-tech startup making Asia's rice farming more water-resilient by combining satellite imagery, AI, and field operations to reduce water usage and methane emissions.
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Xpansiv57Climate TechSan Francisco, United States$100.0MGlobal commodity data and analytics platform for ESG and energy markets.
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Ecosystem Restoration Standard57Climate TechSan Francisco, United States$37.1MGlobal standard for high-integrity conservation and restoration projects on carbon markets.
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Greenlyte54Climate TechEssen, Germany$15.0MDirect air capture startup producing CO2 and hydrogen for e-fuels and negative emissions.
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CarbonRun53Climate TechCalgary, Canada$500KCarbon removal solutions by enhancing river alkalinity to sequester carbon dioxide and restore river ecosystems.
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Uravu Labs53Climate TechBengaluru, India$2.3MClimate-tech startup developing technology to extract high-quality drinking water from atmospheric moisture using renewables.
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Brineworks49Climate TechAmsterdam, Netherlands$106.7MClimate tech company developing Direct Air Capture and hydrogen co-production for affordable e-fuels.
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Flowcarbon49Climate TechNew York, United States$70.0MFlowcarbon provides bespoke capital solutions and project finance expertise for innovative companies in frontier industries like infrastructure and decarbonization.
- Website Frost Methane Labs Co.46Climate TechSan Francisco, United States$1.0M
Frost Methane helps livestock farms reduce methane emissions from manure ponds and generate revenue from carbon credits.
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C-Capture43Climate TechLeeds, United Kingdom$26.1MDevelops a novel, low-cost solvent-based carbon capture technology to decarbonize industrial emissions.
Showing the 20 closest matches. See the rest on the Heirloom profile.
Compare Heirloom head to head
Side by side on what each one does, what it costs, and what real users report.