{"id":10940,"date":"2025-03-27T11:30:38","date_gmt":"2025-03-27T15:30:38","guid":{"rendered":"https://www.stirlingultracold.com/es/?page_id=10940"},"modified":"2026-05-20T16:54:32","modified_gmt":"2026-05-20T20:54:32","slug":"sustainability","status":"publish","type":"page","link":"https://www.stirlingultracold.com/es/sustainability/","title":{"rendered":"360-Degree Sustainability"},"content":{"rendered":"
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360-DEGREE
SUSTAINABILITY

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\"five-bar-brand\"

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A 360-Degree Approach To Sustainable ULT Storage

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ENERGY STAR® Certified
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The VAULT100™ only uses 5.8 kWh** per day (steady state). It’s far more efficient than standard compressor-based units, even when operating down to -100°C setpoint. But it also offers the largest storage volume per square foot of floor space, significantly reducing your infrastructure footprint, plug load and carbon footprint.

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** ENERGY STAR® Final Test method at -80°C (-112°F) setpoint

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Lowest Validated Score In The Industry
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The Stirling VAULT100™ upright freezer has completed its ACT Ecolabel audit by My Green Lab and and is included in the ACT database, with total EIF scores of 23, 35.3 and 35.4 for the US, EU and UK respectively. This represents a notable improvement in third-party validated EIF from Stirling’s previous upright model and demonstrates the company’s commitment to quantifiable environmental performance improvements in the lab equipment and ULT markets.

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Industry-Leading Energy Efficiency Per Sample
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The ENERGY STAR® Certified VAULT100™ combines inherently efficient free-piston Stirling engine performance with a high-density storage design to offer unsurpassed energy savings per sample capacity. 

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Wider Setpoint Range Matches Temperatures To Sample Type
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With its wide -20°C to -100°C range, the VAULT100™ is the only single ULT model that supports a broad selection of stable setpoints for optimized temperature matching by sample type.

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Minimal Heat Rejection Effects On HVAC
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Beyond remarkably low heat output, the unique air flow design ejects heat upward toward room air returns for maximum comfort, rather than mixing rising heat  into the room from floor level like other ULTs.

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Highest Storage Density & Capacity Per Footprint
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The high-density cabinet optionally holds up to 700 2-inch boxes. This not only allows you to deploy fewer units to store comparable sample volumes in a smaller space, but saves energy and related carbon emissions by using less freezers over operating lifetime.

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Uniquely Dedicated to Sustainability

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From its beginning, Stirling Ultracold has set the industry standard for energy efficiency, climate-friendly refrigerants, green lab advocacy and more, with the only dedicated line of all-sustainable ULT models.

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Watch the below video to see our leading role in the International Laboratory Freezer Challenge.

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