Spar Systems key facts
as of Oct 2026- Manufacturer of thermal energy conversion technology intended to generate electricity from ultra-low temperature heat.
- Spar Systems is valued at approximately $8.8M as of Oct 2026, set at its seed round, Dec 2024; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $1.1M across 2 recorded rounds; the latest was Seed Round ($545K) in Dec 2024.
- Notable investors include Deep Future, Cleantech Open.
- Spar Systems has filed 4 Form Ds with the SEC since 2022, most recently Dec 2025 ($545K sold to 10 investors).
- Status: Privately Held (backing).
Valued at $8.8M at its seed round, Dec 2024. Nothing has traded since.
- ·Watch Spar Systems: the Monday email on marks, rounds and moves
Spar Systems funding rounds
2 roundsWho backs Spar Systems
2Spar Systems valuation
Spar Systems was valued at $8.8 million at its seed round in Dec 2024. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
How much has Spar Systems raised?
Spar Systems has raised $1.1 million across 2 recorded rounds since 2022. The largest was a $545,000 seed round in Dec 2024.
Spar Systems has filed 4 Form Ds with the SEC since 2022, most recently in Dec 2025 ($545,000 sold to 10 investors).
Spar Systems investors
2 investors are on record for Spar Systems, including Deep Future and Cleantech Open. The seed round in Dec 2024 drew 10 investors.
About Spar Systems
Manufacturer of thermal energy conversion technology intended to generate electricity from ultra-low temperature heat. The company's platform offers modular systems that integrate with existing cooling loops and thermal infrastructure to convert low-grade heat into onsite electricity, enabling data centers, hyperscale computing operators, and industrial facilities to produce additional power without new grid connections or additional fuel consumption.
- Sector
- Energy
- HQ
- Montvale, NJ, United States
- Employees
- 5
- Website
- sparsystems.com/
- Ownership
- Privately Held (backing)
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