Heirloom vs Membrane Technology & Research
Heirloom vs Membrane Technology & Research, 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: Heirloom is on 45/100 and Membrane Technology & Research on 51/100.
Where each one leads
Heirloom
- domain rating: 68/100 against 28/100
- funding raised: $162M against $27.0M
Membrane Technology & Research
- our overall score: 51/100 against 45/100
At a glance
| Measure | Heirloom | Membrane Technology & Research |
|---|---|---|
| What it is | Direct air capture startup using limestone to remove CO2 from the atmosphere at scale. | Membrane technology for carbon capture, hydrogen, and natural gas. |
| Category | Climate Tech, Carbon Removal, Direct Air Capture, Cleantech | Climate Tech, Carbon Capture, Membrane Technology, Clean Energy |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2020 | 1986 |
| Headquarters | Brisbane, United States | Newark, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | Heirloom | Membrane Technology & Research |
|---|---|---|
| Employees | 100 | Not published |
| Total funding | $162M | $27.0M |
| Latest round | Series B | Series B |
| Valuation | Not published | $1.1B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Heirloom | Membrane Technology & Research |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 45/100 | 51/100 |
| Traction | 60/100 | 37/100 |
| Team | Not published | 30/100 |
| Search visibility | 12/100 | 13/100 |
| Quality | 55/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (45/100) |
| Domain ratingLink authority, 0-100 | 68/100 | 28/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Heirloom | Membrane Technology & Research |
|---|---|---|
| Hosting | Not detected | Self Managed |
| CDN | Cloudflare | Not detected |
| CMS | Webflow | WordPress |
| Frameworks | Not detected | Jquery |
| Analytics | Not detected | Google Tag Manager |
| Support stack | Not detected | HubSpot |
Heirloom vs Membrane Technology & Research: common questions
Which is better, Heirloom or Membrane Technology & Research?
On our 0-100 score Membrane Technology & Research rates higher (51/100 against 45/100). 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 16 data points above: read the rows that match what you are buying for.
How do Heirloom and Membrane Technology & Research compare on the numbers?
Heirloom leads on domain rating (68/100 against 28/100), funding raised ($162M against $27.0M). Membrane Technology & Research leads on our overall score (51/100 against 45/100).
Read the full Heirloom review and pricing or the Membrane Technology & Research review and pricing. You can also browse other Heirloom alternatives we track.