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Startups14,448Programs29

14,448 startups · 29 programs

Heirloom

Heirloom is restoring balance to our atmosphere by capturing CO2 from the air through engineering the most cost-effective, scalable direct air capture system.

WebsitePlug and Play page

Why it ranks

How the rank works
1signal of 100 · rising 1
  • went through Plug and PlayProgram · this site+1

A sum of public facts, not a judgement and not investment advice.

Competitors

OtherUcaneoShared: approach inspired, air capture, direct airPlug and PlayGermanyStartup →OtherYama CarbonShared: scalable direct, air capture, direct airPlug and PlayFranceStartup →OtherInactiveNoyaShared: air capture, direct air, co2YC W21San FranciscoStartup →OtherCarbon RidgeShared: capturing co2, unique approach, carbonPlug and PlayUnited StatesStartup →OtherInactiveHeimdalShared: direct air, co2, carbonYC S21DenverStartup →
Companies closest to Heirloom
Company
UcaneoShared: approach inspired, air capture, direct airPlug and Play Not statedOther
Yama CarbonShared: scalable direct, air capture, direct airPlug and Play Not statedOther
NoyaShared: air capture, direct air, co2YC W21InactiveOther
Carbon RidgeShared: capturing co2, unique approach, carbonPlug and Play Not statedOther
HeimdalShared: direct air, co2, carbonYC S21InactiveOther

Adjacent

OtherRushnuShared: capturing co2, carbon, capturePlug and PlayUnited StatesStartup →OtherBlusinkShared: carbon sinkMassChallenge UK 2025United KingdomStartup →OtherGreenfluidics Corp.Shared: co2Plug and PlayMexicoStartup →OtherQaptisShared: sustainability sector, co2, carbonPlug and PlaySwitzerlandStartup →OtherHoloceneShared: atmosphere, co2Plug and PlayUnited StatesStartup →
Companies next to Heirloom
Company
RushnuShared: capturing co2, carbon, capturePlug and Play Not statedOther
BlusinkShared: carbon sinkMassChallenge UK 2025Not statedOther
Greenfluidics Corp.Shared: co2Plug and Play Not statedOther
QaptisShared: sustainability sector, co2, carbonPlug and Play Not statedOther
HoloceneShared: atmosphere, co2Plug and Play Not statedOther

Also from Plug and Play

All of Plug and Play
AISecuraAIA Princeton-based startup helping highly regulated industries, such as healthcare, safely deploy AI by automating AI security and governance.Plug and PlayUnited StatesStartup →AIMango MedicalFoundation models for planning orthopedic surgeryYC W26San FranciscoStartup →AIHypercubicAgentic AI for Mainframe Operations and ModernizationYC F25San FranciscoStartup →AIIndustrialMind.aiThe AI manufacturing engineer that turns drawings into production-ready decisions - 10x faster, proven at Siemens and Fortune 500 factoriesAntler 2025USStartup →AIXatomsXatoms utilizes AI and quantum chemistry to accurately predict 3D models of photocatalytic structures, aiding in cleaning polluted waters across the globe.Plug and PlayCanadaStartup →AIEloquent AIThe AI Operator for Financial ServicesYC X25San FranciscoStartup →
Company
SecuraAIA Princeton-based startup helping highly regulated industries, such as healthcare, safely deploy AI by automating AI security and governance.2 programsNot statedAI
Mango MedicalFoundation models for planning orthopedic surgeryteam of 32 programsActiveAI
HypercubicAgentic AI for Mainframe Operations and Modernizationteam of 3on 3 Glyph sourcesActiveAI, Devtools
IndustrialMind.aiThe AI manufacturing engineer that turns drawings into production-ready decisions - 10x faster, proven at Siemens and Fortune 500 factories2 programsNot statedAI
XatomsXatoms utilizes AI and quantum chemistry to accurately predict 3D models of photocatalytic structures, aiding in cleaning polluted waters across the globe.2 programsNot statedAI
Eloquent AIThe AI Operator for Financial Servicesteam of 52 programsActiveAI

Programs

Programs Heirloom went through
ProgramCohortSource
Plug and PlayNot statedPlug and Play Page

About Heirloom

"Heirloom is a pioneering company in the energy and sustainability sectors, dedicated to restoring balance to our atmosphere by capturing CO2 from the air. Utilizing a unique approach inspired by natural carbon sinks, Heirloom's technology enhances carbon mineralization to accelerate the absorption of CO2 by minerals from the ambient air. This innovative process, which typically takes years in nature, is achieved in a matter of days through Heirloom's engineering expertise. By combining the best of engineering and nature, Heirloom offers the most cost-effective and scalable Direct Air Capture solution globally. Their commitment to environmental stewardship and innovative solutions positions them as a key player in the quest for a more sustainable future."

Category
Other
Location
United States
Checked
13h ago

Changes seen

Joined a programOct 5, 2026

Joined Plug and Play.

Source ↗

Heirloom: questions

Which accelerators did Heirloom go through?

Heirloom is listed by Plug and Play.

Where is Heirloom based?

Heirloom lists United States as its location on Plug and Play's page.