Custom Heatsinks

Build your own Air-Cooled Heatsink 
Find out how…


Request a quote – with or without an
existing heatsink design 
Contact us…

Thermal Calculator

Use our tool to calculate heat
dissipation and heatsink thermal resistance 
Try it here…


High quality heatsink components with competitive, global market pricing.


Engineering design and thermal heatsink modeling to support your product development.


Serving a wide range of global markets with the latest technologies in heatsink design.

Custom Solutions

Broad range of manufacturing processes including extrusions, skiving, cold forging, stamping, die casting.

Standard Heatsink

Products in stock and available online.

Thermal Interface Materials

Offering a full range of interface materials for your specific application.


Detailed thermal analysis and validation services.

Rapid Prototyping

Quick turn-around of prototypes and pre-production quantities to support short design cycles.

Design Services

Worldwide Engineering Design and DFM Support.



Thermal design solutions for routers, switches, amplifiers and transmitters.

Military and Aerospace

Our Silicon Valley facility is ITAR and ISO 9001:2015 registered.


Thermal solutions for: Controls, motor drives, Power supplies/Inverters, Welding / Plasma arc, UPS systems, batteries chargers.


Cooling Source, Inc. is a premier heatsink manufacturer offering the most comprehensive, value-added standard and custom thermal solutions for today's global market. Applications include: power supply, LED lighting, medical devices, transportation, computer, consumer, telecom, solar, amplifier, Industrial control, military and aerospace. Using the latest technology available, we offer a wide range of products made from various manufacturing processes including: CNC machining, extrusion, bonded fin, folded fin, cold forged, skiving, stamping, friction stir welding. Our wide array of products for cooling your specific power electronic application includes: heatsinks, fans, thermal interface materials, CPU coolers, liquid cold plates, heat pipe and vapor chambers assemblies, heat exchanger, isothermal plates.

Our goal is simple – to deliver high quality thermal solution products timely at the highest value to our customers.

Allow our experts to help you make the right choice for your overall cost, tooling time and delivery needs.

Quality Heatsink Thermal Design Solutions

Michel Gelinas