Company records / heirloomcarbon.com

Heirloom

Heirloom (heirloomcarbon.com): no confident changes recorded yet; website history since April 2021. Homepage last checked 6 November 2026.

First recorded website

Observed 28 April 2021

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

Restoring balance to our atmosphere.

Heirloom is restoring balance to our atmosphere by removing 1 billion tons of carbon dioxide by 2035. We use natural processes to engineer the world's most cost-effective Direct Air Capture solution.

archived page Link to first observation

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

No changes recorded yet. Missing observations do not mean the company has not changed.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

April 2021 – November 2026 · 11 captures · latest observed messagingRestoring balance to our atmosphere
Heirloom is restoring balance to our atmosphere by removing 1 billion tons of carbon dioxide. We use natural processes to engineer the world's most cost-effective Direct Air Capture solution.
This wording observed 6 November 2026.
current websiteHistorical capture not publicly available
Inspect 11 captures in this group
- 28 April 2021 · Restoring balance to our atmosphere. archived page
- 8 December 2021 · Restoring balance to our atmosphere. archived page
- 29 March 2022 · Restoring balance to our atmosphere. archived page
- 4 January 2023 · Restoring balance to our atmosphere. archived page
- 7 September 2023 · Restoring balance to our atmosphere archived page
- 6 January 2024 · Restoring balance to our atmosphere archived page
- 17 July 2024 · Restoring balance to our atmosphere archived page
- 6 August 2025 · Restoring balance to our atmosphere archived page
- 15 January 2026 · Restoring balance to our atmosphere archived page
- 4 July 2026 · Restoring balance to our atmosphere archived page
- 6 November 2026 · Restoring balance to our atmosphere current websiteHistorical capture not publicly available

Cite this record

StartupHistory, “Heirloom” company record, https://startuphistory.org/c/heirloomcarbon.com

Machine-readable: /c/heirloomcarbon.com.json. How changes are found: method.