Custom Thermal Solutions
Precision Cooling For Demanding Designs
U.S.-based engineering and manufacturing of custom heat sinks and advanced two-phase thermal systems, we deliver custom thermal solutions engineered for performance. Our core expertise is in the design and application of vapor chambers, heat pipes, and thermosyphons.
RoHS & REACH Compliant
MIL-STD Environmental Validation Support
Industries We Serve
Aerospace
Telecom
Defense
Industrial
Custom Heat Sinks — Manufactured Two-Phase Solutions
01 Extruded Heat Sink
Cost-effective design for natural convection applications
02 Zipper Fin Heat Sink
High fin density for controlled airflow environments
03 Machined Heat Sink
Offers the most design flexibility for low-volume production
04 Skived Heat Sink
High heat flux capability with high aspect ratio possibilities
05 Full Heat Sink Assemblies
Provided with attached fins, TIM, and mounting hardware
06 Advanced Architectures
Designs using 3D vapor chambers or square heat pipes
Advanced Custom Thermal Management Products
Customizable Heat Pipes
Application-tuned wall thickness, wick thickness, porosity, permeability, and fluid loading.
1-Piece Vapor Chambers
2-Piece Vapor Chambers
Stamped into any shape along the XY axes, with options for embossments, through-holes, and variable wicks.
Specialty Two-Phase
Phase Change Material
Thermal Straps
Resolves excessive shock, vibration, or thermal expansion issues between the heat source and condenser.
End-to-End Thermal Management Expertise
Manufacturing
Validated Reliability. Documented Performance.
Founded 2004
U.S. Corporation
Two-Phase Innovation
91% Customer Retention
8-Year Average
5 Certifications
About Us
What Differentiates Celsia Among Thermal Management Companies:
For applications where heat flux, space constraints, or reliability requirements exceed conventional cooling approaches.
- Two-phase expertise across thousands of designs
- Direct access to engineers throughout the design cycle
- Full internal control of critical materials and components
- 100% testing with traceable manufacturing processes
Significant 2-Phase Heat Sink Experience
- Thousands of solutions analyzed, modeled, & manufactured
- 97% of custom heat sinks are 2-phase designs
- 30+ issued and active patents
Collaborative Design Philosophy
- High availability of engineering staff in multiple time-zones
- Two decades of SWaP-C heat sink optimization know-how
- Full support for Celsia or customer-driven CFD modeling
Benchmark Quality Systems
- Complete in-house control of critical heat sink components
- Raw material purity and oxygen content validated by Celsia
- 100% testing of every production part
Agile Heat Sink Organization
Streamlined for fast turnaround of 100’s of unique custom heat sinks for small-mid size orders with unmatched flexibility and speed
