Climeworks vs Heirloom
Climeworks vs Heirloom, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Climeworks is on 45/100 and Heirloom on 45/100.
Where each one leads
Climeworks
- domain rating: 76/100 against 68/100
Heirloom
- agent readiness: 42/100 against 37/100
At a glance
| Measure | Climeworks | Heirloom |
|---|---|---|
| What it is | Direct air capture technology to remove CO2 from the atmosphere and store it permanently. | Direct air capture startup using limestone to remove CO2 from the atmosphere at scale. |
| Category | Climate Tech, Carbon Capture, Environmental Services, Sustainability | Climate Tech, Carbon Removal, Direct Air Capture, Cleantech |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2009 | 2020 |
| Headquarters | Zurich, Switzerland | Brisbane, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Climeworks | Heirloom |
|---|---|---|
| Employees | Not published | 100 |
| Total funding | $162M | $162M |
| Latest round | Series Unknown | Series B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Climeworks | Heirloom |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 45/100 | 45/100 |
| Traction | 40/100 | 60/100 |
| Search visibility | 15/100 | 12/100 |
| Quality | 65/100 | 55/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (37/100) | D (42/100) |
| Domain ratingLink authority, 0-100 | 76/100 | 68/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Climeworks | Heirloom |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Not detected | Webflow |
Climeworks vs Heirloom: common questions
Which is better, Climeworks or Heirloom?
Both score the same on our 0-100 rating, so the choice comes down to the 16 data points in the tables above rather than overall company strength.
How do Climeworks and Heirloom compare on the numbers?
Climeworks leads on domain rating (76/100 against 68/100). Heirloom leads on agent readiness (42/100 against 37/100).
Read the full Climeworks review and pricing or the Heirloom review and pricing. You can also browse other Climeworks alternatives we track.