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ULT freezers and lab

Experience Industry-Leading Sample Protection with the ULUF ULT Series

Advanced ultra-low temperature freezers designed for precision, efficiency and sustainability.

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Store Smarter, Protect with Confidence.

ARCTIKO is committed to continuous innovation, delivering industry-leading performance, reliability, and sustainability to support your research with confidence. We are a trusted name in ultra-low temperature (ULT) storage solutions. Our ULUF ULT freezers are engineered for precise temperature control down to -86°C, ensuring the integrity and safety of your most critical samples. Designed for global use, these freezers combine energy efficiency with robust safety features, making them the ideal choice for laboratories, hospitals, and research facilities worldwide.

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Industry-Leading Speed
Achieving the fastest pull-down available on the market – under three hours.

Secure Sample Storage
Safety features such as inverter compressors and TRUE DUAL™ technology.

Air Shippable Convenience
Select models with under 100g of gas can be air shipped, arriving in less than a week.

Key Features

High-Performing Energy Efficiency

The ULUF ULT series offers some of the lowest power consumption on the market, reducing operational costs while maintaining ultra-low temperatures. Engineered for sustainability, it uses natural refrigerants with a low Global Warming Potential (GWP), making it an eco-friendly choice.

Superior Temperature Stability & Rapid Recovery

Designed for precision cooling, the ULUF ULT series maintains a stable -86°C even with frequent door openings. Direct cooling technology ensures uniform temperature distribution, while rapid recovery prevents fluctuations that could compromise sensitive samples.

TRUE DUAL™ Safety – Continuous Protection

Our dual-compressor technology provides a built-in fail-safe system—on the rare occasion of a compressor failing, the second keeps temperatures inside the freezer stable at -70°C or lower. This reliability ensures sample integrity and compliance with the most stringent medical, pharmaceutical, and research standards.

Global Compatibility & Faster Delivery

Select models contain less than 100g of refrigerant, allowing for air shipping and delivery in under a week, significantly reducing lead times compared to other brands. With multi-voltage capability (110-240V), the ULUF ULT series seamlessly integrates into facilities worldwide without additional power adapters.

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Explore the ULUF ULT Product Line

Upright Models: High Capacity, Maximum Security

For large-scale needs, our upright models offer up to 29 ft³ of storage with ARCTIKO’s TRUE DUAL™ technology—a dual-cooling system that maintains stability even if one system fails, keeping temperatures at a secure -70°C.

Optimised for Small Labs: Space-Saving Precision Cooling

Perfect for benchtop or undercounter placement, our compact ULUF models range from 0.25 to 3.1 ft³ and deliver high performance in tight spaces, with features like single compressor cooling and direct cooling for stable temperatures.

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Customer Benefits

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Exceptional Temperature Recovery: Industry-leading pull-down times of less than 3 hours ensuring robust temperature stability.

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Reliable and Secure Samples: Robust safety features, such as inverter compressors ensure your samples are protected with confidence.

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Competitive Pricing: We offer market-leading prices while factoring in potential tariff fluctuations, helping to shield you from unexpected cost increases.

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Advanced Data Logging: Built-in data logger storing data for 20+ years and compliance-friendly alarm system.

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Tailored Capacity Options: A wide range of sizes ensures the perfect solution for your specific storage needs.

Trusted by Leading Laboratories Worldwide

We recently purchased an ARCTIKO freezer at our clinical research site. We have nothing but great things to say about how consistent the temperatures were. After comparing freezers with other brands, ARCTIKO’s was the most spacious and best value for money. ARCTIKO provided great customer support and we absolutely love the product. I will, without question, be reaching out to ARCTIKO for our future fridge or freezer needs!
Matt AjelloArtemis Institute
In the last 6 years we have purchased 35 ARCTIKO freezers. We are pleased with the performance of the freezers and have had no significant technical problems over the years. This type of freezer gives us the best value for money.
Carsten Thomsen Region Syddanmark
ARCTIKO’s freezers work 24 hours/day with excellent temperature precision.
Mauricio Meros Instituto Butantan

Frequently Asked Questions

Ensure Temperature Compliance Every Time!

At ARCTIKO, we prioritise the safety and integrity of your most sensitive materials. That’s why we’ve partnered with EasyLog to bring you advanced automated temperature monitoring solutions designed specifically for cold storage management. Our dual-layered approach ensures your vaccines, pharmaceuticals, and other critical items are protected at all times.

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Why Choose Automated Monitoring?

Precision Control: ARCTIKO’s cold storage units maintain optimal temperatures for your sensitive samples.

Real-Time Monitoring: EasyLog’s data loggers detect fluctuations instantly, providing continuous oversight.

Immediate Alerts: Get notified via email or SMS of any deviations, allowing for quick responses.

Key Benefits

Enhanced Security: The combination of our refrigeration systems and cloud-connected data loggers creates a robust safety net.

Effortless Tracking: Automate temperature monitoring, reducing manual intervention.

Compliance Ready: Easily generate reports to meet stringent regulatory standards.

Protect Critical Materials: Safeguard the integrity of vaccines, medications, and other sensitive items.

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ultra-low temperature catalogue

For more information on our ULUF ULT range, download our latest free catalogue.