What is Data-center heat reuse?
Liquid cooling can increase the temperature and concentration of recoverable heat. Reuse economics still depend on a nearby demand source, temperature requirements, infrastructure ownership, and seasonal utilization.
Thermal strategy • Technology
Data-center heat reuse
Recovered server heat is upgraded or transferred for district heating, buildings, industrial processes, or other useful loads.
heat recoverydistrict heatingwarm watercircular energy
MaturityScaling
Cooling mediumWarm water, often with a heat pump
Typical applicationMost attractive at campus scale with a stable nearby heat sink
Architecture
How heat moves
Liquid cooling can increase the temperature and concentration of recoverable heat. Reuse economics still depend on a nearby demand source, temperature requirements, infrastructure ownership, and seasonal utilization.
01Server loop
02heat exchanger or heat pump
03external heat user
Why teams choose it
- Turns a rejected load into a potentially useful energy stream
- Can improve whole-system energy utilization
- Benefits from higher liquid return temperatures
What to validate
- Requires a reliable and proximate heat customer
- Seasonal demand can reduce utilization
- Commercial agreements and infrastructure boundaries are complex
Connected records
Companies in this category
Company
Alfa Laval
A heat-transfer company supplying plate heat exchangers and fluid-handling components for facility-water and heat-reuse systems.
Lund, Sweden
Company
Danfoss
An industrial technology company providing drives, compressors, valves, heat exchangers, and controls used across data-center cooling plants.
Nordborg, Denmark
Company
Lenovo
A systems manufacturer whose Neptune portfolio integrates warm-water direct cooling into HPC and AI server platforms.
Hong Kong
Company
HPE
An enterprise systems and supercomputing supplier with direct-liquid-cooled platforms spanning Cray, HPC, and AI infrastructure.
Spring, Texas, United States
Connected records
Required equipment
Equipment category
Heat exchangers
Plate, coil, and shell heat exchangers isolate loops and transfer thermal energy across the cooling chain.
4 tracked suppliers
Equipment category
Cooling pumps
Pumps circulate facility water, technology coolant, glycol, or dielectric fluids through the thermal chain.
3 tracked suppliers
Equipment category
Cooling controls
Sensors, PLCs, supervisory software, and control logic coordinate flow, temperature, pressure, alarms, and redundancy.
4 tracked suppliers
Evidence ledger
Primary sources
Profiles distinguish company-reported claims from confirmed operating data. Open the original materials before relying on a specification.
- 01Data center heat reuse
Danfoss
Direct answers
Frequently asked questions
Concise answers generated from the structured record and its cited evidence.
Where is Data-center heat reuse typically used?
Data-center heat reuse is classified as scaling technology. Most attractive at campus scale with a stable nearby heat sink.
What are the main advantages of Data-center heat reuse?
Turns a rejected load into a potentially useful energy stream; Can improve whole-system energy utilization; Benefits from higher liquid return temperatures.