Koolance will be closed May 27th for Memorial Day. Orders placed after 10AM Pacific on Friday, May 24th will be processed on Tuesday, May 28th.close


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Apr 26, 2024New Flow Meter & Temperature Display
Now available is the DCB-FMTP01 display for Koolance flow meters and thermistor temperature sensors. It is compatible with all current flow meter models, including the hall effect INS-FM17H. The display has a configurable audio alarm, and an adjustable flow rate pulse factor for potential support of 3rd-party flow meters.
Mar 21, 2024TLH-300 Thermoelectric Chiller Available
For cooling and heating applications demanding high temperature precision, Koolance has released the TLH-300 TEC chiller. With a temperature accuracy of +/-0.1ºC, it is rated for 300W of cooling (with a 0ºC liquid-ambient delta), and includes heating capabilities.
Aug 1, 2023INS-FM17H Hall Effect Flow Meter
Koolance has released its first flow meter using a hall effect sensor for 3rd-party applications, model INS-FM17H.
Mar 28, 2023New Copper Core 17FPI Radiators
Koolance has released new copper and brass radiators with a fin density of 17 fins per inch. These can be ideal for quieter fan operation at lower airflow ranges. The radiators have dual inlet and outlet ports, offering more flexibility with tubing management or for adding temperature sensors.
Jul 20, 2022New Quick Disconnects (QDT Series) Now Available!
The QDT series is Koolance's 6th generation of quick disconnect fittings. They were designed with improvements to mechanical reliability, and have greater durability across a wider temperature range. QDT quick disconnects are available with EPDM or Viton seals. An external color band identifies the o-ring material: silver is EPDM, black is Viton. (EPDM is recommended for Koolance liquids.)
Aug 13, 2021Inventory Delays
Due to global freight issues, we are experiencing significant delays in receiving some products. The availability dates shown on our website may be adjusted repeatedly based on the latest information.
Jun 21, 2021ALR-4500 CE Certification
Recent production units of the ALR-4500A and ALR-4500C ambient liquid cooling systems are now CE certified.
Dec 10, 2020900W Chiller Available for 220V AC Supply Voltage
Koolance's 900W recirculating liquid chiller is now available in a 220VAC (50-60Hz) version. This model is CE certified and is supplied with a CEE 7/7 "Type F" power cable.
Jul 10, 2020Shipments Are Resuming
As Koolance U.S. has been designated an essential business, we are resuming order processing again. Shipments from our U.S. location may incur a brief delay while we implement safety measures for COVID-19. Customer pickup is not available at the present time.

For all inquiries, please contact us via email, as our phone system is not currently staffed.
Jul 10, 2020Order Processing Delay
We are currently unable to ship orders from WA State through April 9th due to a government-mandated shutdown for COVID-19. Orders shipping from Koolance Korea, manufacturing, and development are unaffected during this period.

We will continue to answer email. Backorders can still be placed through our website, which will be shipped once restrictions are lifted. (Payment is required for backorders later when they are being prepared.)
Dec 23, 2019New ALR-4500 Cooling Systems Available
ALR-4500 is Koolance's highest performance ambient liquid cooling series to date, with 4300W (ALR-4500A) and 4600W (ALR-4500C) of heat dissipation. They can be operated in vertical, horizontal, and rack mountable orientations, and each features built-in software control, flow rate reporting, and coolant level sensing.
Oct 14, 2019ERM-3K3UC Inventory Delay
The ERM-3K3UC cooling systems are expected back in stock in late October to mid-November.
Mar 14, 2019ALH-2000 Cooling & Heating System Available
ALH-2000 is an ambient liquid cooling system with heating capabilities to maintain a steady temperature for a non-constant heat load, or for a cold plate/sample which must stay near or above the ambient room temperature.
Feb 20, 2019Backorders Now Accepted
Out-of-stock products and quantities can now be backordered through Koolance.com. When the items are ready to ship, an email will be sent out to complete payment. Due to this, there are currently some limits placed on the total amount which can be backordered. A pre-deposit option is being developed to enable higher backordering limits.
Nov 28, 2018Koolance ISO 14001 Certification
In addition to ISO 9001, Koolance has now been certified for ISO 14001 (Environmental management system).
Sep 24, 2018CTR-KSM100 Hardware+Software Controller Now Available
CTR-KSM100 is a liquid cooling system controller with both hardware and software interfaces. It incorporates a 2-line OLED display for user control and feedback, and a USB port for configuration and logging via the Koolance System Monitor application. Output power for 12V and 24V pumps is supported.
Apr 11, 2018CPU-400 Reviewed at Extreme Rigs
Extreme Rigs has reviewed Koolance's new CPU-400 water block:

The performance has increased and the CPU-400 holds the honor of the single best thermal result of all time... This is our new recommended block to buy for Intel setups.

Mar 26, 2018CPU-400 Now Available!
Koolance has released its best performance water block to date for Intel and AMD processors.
Sep 18, 2017High Pressure Quick Disconnects
Koolance has released new quick disconnects for high pressure applications. QD1H, QD2H, QD3H, and QD4H maintain their no-spill feature when disconnected at pressures up to 10kgf/cm2 (142psi). These series are not physically compatible with earlier versions.
Sep 7, 2017PC Perspective Reviews the CPU-390CI Water Block
It scored a top spot when paired with the overclocked Haswell-E processor, an impressive feat given [its] high-performance competitors.
Mar 31, 2017VLX-450 Chiller Subassembly Now Available
VLX-450 is a ready-to-integrate, inline, open frame chiller rated at 450W of cooling with a 0°C liquid-ambient delta. It is designed simply to be dropped into an existing cooling loop, which will move coolant through its stainless steel plate heat exchanger.
Mar 16, 2017New Modular ALX Cooling Systems Launched
Koolance's ALX series are powerful liquid cooling systems with expandable thermal capacities and software logging. ALX systems have up to twice the thermal capacity of previous Koolance ambient liquid cooling systems for the same heat exchanger size. As modular products, the radiator and pump units can be individually upgraded if requirements later change.
Feb 28, 2017CPU-390 Gets Support for AMD Socket AM4
Koolance CPU-390A and CPU-390CA water blocks now include support for AMD's socket AM4 (Ryzen, etc.). For existing owners of CPU-390, a separate upgrade kit is available to add compatibility.
Jan 11, 2017MD&M West Medical Expo Feb. 7-9
Koolance will be exhibiting at the MD&M West medical technology exhibition at the Anaheim Convention Center in Anaheim, CA from Feb. 7-9th. Our location is Hall D, Booth # 2374.

Aug 17, 2016Acrylic Top GTX 1070/1080
Koolance has released an acrylic-top version of its GeForce GTX 1070/1080 full-coverage video block.
Aug 18, 2016CPU-390 Reviewed at Extreme Rigs
For those shopping for a new CPU block, Extreme Rigs has a review of the Koolance CPU-390:

The CPU-390i sits at the top of the table... Because this is a top performing block... we feel it’s justified in receiving the Extreme Rigs Gold Award!

Jun 24, 2016VID-NX1080 Now Available
The Koolance GTX 1080/1070 full coverage block and optional back plate are now available for purchase.
Jun 21, 2016CPU-390 Now Available!
Koolance has released its next generation of CPU water blocks with the smallest microfins yet: 0.17mm. Versions are available with acrylic and copper tops.
Jun 17, 2016GTX 1080 and 1070 Video Block Coming Soon
A full coverage video water block for NVIDIA's GTX 1080 and GTX 1070 is in production. Customers can currently opt-in to receive an email notification when stock arrives for the VID-NX1080. Photos and pricing will be posted in June.
Jan 14, 2016The Witcher Mod
Famed modders Jon (PennyWise) Hansz and Ron Lee Christianson are working on a new Witcher-themed PC with Koolance liquid cooling. Check out their build log here!