Who invested in R-Zero?

Investors on record for R-Zero: HAX.

R-Zero

R-Zero uses real-time occupancy data to autonomously reduce HVAC energy costs by 20-40%. No infrastructure changes. No operational overhead.

Website: rzero.com.

Categories: Climate and energy Developer tools and cloud.

Domain age: 28 years.

On Recent Funding since: Oct 11, 2026.

About R-Zero

Recent Funding lists R-Zero under Climate and energy (also Developer tools and cloud). It went through HAX (HAX 2020).

Questions and sources

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/r-zero (get a free API key).