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S20 Fund | RoundOS

01 · Free data roomBuild, share and track important documents.

Data room analytics Document Analytics Pitch Deck Tracking Secure sharing Permissions NDA & agreements Watermarking Versions Branding

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Beyond fundraising

Sales deals Board documents Due diligence Real estate

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Blog Funding Customer stories Investor room template

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SAFE, dilution, runway, pipeline coverage, investor fit.

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SF

S20 Fund

Activity from announced rounds

Activity in this selection View all activity

Activity in this selectionOct 4, 2026 · Climate tech · Jul 7, 2026

Rounds participated in: 1
Confirmed lead rounds: —
New companies: 1
Funding in participating rounds: $5M

By stage

Seed1

By primary sector

Climate tech1

By country

United Kingdom1

Rounds

1 in this selection

Aug 24

Connects home HVAC systems to provide flexible energy capacity to the grid

$5MSeed+

Role not disclosed

1–1 of 1

Most frequent co-investors

Ada Ventures1 shared Davidovs Venture Collective1 shared Inclimo Climate Tech Fund1 shared Prosegur1 shared Roxbury Asset Management1 shared Techstars1 shared Tetrad Ventures1 shared Unconventional Ventures1 shared

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Data room analytics Secure document sharing Data room permissions NDA & agreements Dynamic watermarking Document versions Custom branding

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Fundraising hub Pre-seed fundraising Seed fundraising Series A fundraising Fundraising follow-up Investor research Investor updates Integrations

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Startup data room VC and LP data room M&A data room

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All free tools SAFE calculator Dilution calculator Runway calculator Pipeline coverage Investor fit checker Follow-up generator Round leak audit

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