CarboNegev vs Heirloom
CarboNegev vs Heirloom, compared side by side on 13 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: CarboNegev is on 43/100 and Heirloom on 45/100.
Where each one leads
CarboNegev
Leads on none of the measures we hold for both companies.
Heirloom
- funding raised: $162M against $1.0M
At a glance
| Measure | CarboNegev | Heirloom |
|---|---|---|
| What it is | Converts carbon emissions and waste into green liquid fuels and chemicals. | Direct air capture startup using limestone to remove CO2 from the atmosphere at scale. |
| Category | Climate, Carbon Removal, Cleantech, Climate Tech | Climate Tech, Carbon Removal, Direct Air Capture, Cleantech |
| Sells toBusiness model | B2B | B2B |
| Offering | Technology | Hardware |
| Founded | 2021 | 2020 |
| Headquarters | Be'er Sheva, Israel | Brisbane, United States |
| Status | Inactive | Active |
Size, funding and growth
| Measure | CarboNegev | Heirloom |
|---|---|---|
| Employees | Not published | 100 |
| Total funding | $1.0M | $162M |
| Latest round | Seed | Series B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | CarboNegev | Heirloom |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 43/100 | 45/100 |
| Traction | 30/100 | 60/100 |
| Team | 60/100 | Not published |
| Search visibility | 11/100 | 12/100 |
| Quality | 52/100 | 55/100 |
| Agent readinessHow well an AI agent can read and act on the site | Not published | D (42/100) |
| Domain ratingLink authority, 0-100 | Not published | 68/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | CarboNegev | Heirloom |
|---|---|---|
| CDN | Not detected | Cloudflare |
| CMS | Not detected | Webflow |
CarboNegev vs Heirloom: common questions
Which is better, CarboNegev or Heirloom?
On our 0-100 score Heirloom rates higher (45/100 against 43/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 13 data points above: read the rows that match what you are buying for.
How do CarboNegev and Heirloom compare on the numbers?
Heirloom leads on funding raised ($162M against $1.0M).
Read the full CarboNegev review and pricing or the Heirloom review and pricing. You can also browse other CarboNegev alternatives we track.