• AirJoule acquired BitSink for US$27m upfront, adding a profitable cooling, power-distribution and rack-infrastructure business with more than 220MW of deployed equipment
  • AirJoule plans to explore whether waste heat rejected by data-centre cooling systems can provide heat for its atmospheric water technology

The fact

AirJoule Technologies has acquired BitSink, a supplier of cooling, electrical distribution and rack infrastructure for high-density computing. AirJoule paid US$18 million in cash and US$9 million in stock upfront, with up to US$40 million in additional shares tied to BitSink revenue milestones over the next three calendar years.

AirJoule says BitSink has more than 220MW of deployed equipment and operates a 65,000-square-foot manufacturing facility in South Carolina. Its cooling products include closed-loop dry coolers that reject server heat without consuming water.

AirJoule's existing technology captures water vapour using sorbent-coated contactors. Heat and vacuum release the captured moisture before it is condensed into liquid water. The company says low-grade waste heat can supply part of the heat required for that regeneration process.

The assessment

The acquisition gives AirJoule access to equipment sitting much closer to the heat source it wants to use. Instead of approaching a data-centre operator with a separate water system and depending on another supplier's cooling design, it can now work with a business already supplying cooling and power infrastructure for high-density computing.

The technical opportunity is straightforward to describe but still unproven in a live combined system. Heat removed from servers has to be rejected somewhere. AirJoule wants to capture suitable low-grade heat before it is discarded and use it to help release moisture collected by its atmospheric water system.

For BTW readers, the acquisition matters because AirJoule now controls more of the infrastructure needed to test that proposition. The next evidence should be a live data-centre deployment showing how much water can be produced from a known cooling load and how much additional electricity the process requires.

What to watch

Watch for the first installation combining BitSink cooling equipment with AirJoule Prime, particularly measured heat input, water output and additional electrical consumption. AirJoule has also targeted a European data-centre deployment for Prime in 2026. Results from that project would provide a benchmark for whether waste-heat-assisted water production works at operating-facility scale.