Collection: Lab Freezers -20C
Buy new, refurbished, and used laboratory freezers from mLab Supply for research labs, clinical facilities, pharmaceutical companies, and universities. We source -20°C upright and general-purpose laboratory freezers from leading manufacturers including Thermo Scientific, Panasonic PHCbi, Helmer Scientific, So-Low, and VWR. Net 30 available for qualified institutions. Browse available units below or request a quote for specific models and configurations. Our sourcing team can locate freezers not currently listed — contact us for availability.
-
VWR -20°C General-Purpose Laboratory Freezer — Request a Quote
Request Pricing
Sold out -
So-Low U85-21 -20°C Upright Laboratory Freezer — Request a Quote
Request Pricing
Sold out -
Helmer iF Series -20°C Laboratory Freezer — Request a Quote
Request Pricing
Sold out -
Panasonic PHCbi MDF-MU Series -20°C Freezer — Request a Quote
Request Pricing
Sold out -
Sold out
<h2>How to Choose a Laboratory Freezer</h2>
<p>Selecting the right laboratory freezer depends on your storage requirements, workflow, and facility constraints. Key considerations include:</p>
<ul>
<li><strong>Target storage temperature:</strong> Standard laboratory freezers operate around -20°C, suitable for reagents, enzymes, kits, and general biological samples. Confirm your required temperature range before purchasing.</li>
<li><strong>Cabinet capacity:</strong> Capacity is typically expressed in cubic feet or liters. Match cabinet size to your current inventory volume with room for growth. Overfilling reduces airflow and temperature uniformity.</li>
<li><strong>Upright vs. undercounter:</strong> Upright freezers offer greater capacity and easier access to shelved contents. Undercounter models fit beneath benches and suit space-constrained labs.</li>
<li><strong>Shelf and drawer configuration:</strong> Wire shelves, solid shelves, and drawers each suit different container types. Confirm shelf count, adjustability, and load ratings for your containers.</li>
<li><strong>Temperature uniformity:</strong> Fan-forced models generally provide better uniformity than static models. Uniformity matters for sensitive reagents and samples.</li>
<li><strong>Recovery after door openings:</strong> Frequent access requires a freezer with strong recovery performance. Consider access frequency when evaluating compressor capacity.</li>
<li><strong>Alarms:</strong> High/low temperature alarms and door-ajar alarms are standard on most laboratory-grade freezers. Confirm alarm types and remote alarm contact availability for your monitoring system.</li>
<li><strong>Controller and display:</strong> Digital microprocessor controllers with clear temperature displays are preferred for laboratory use. Some models offer data logging or connectivity options.</li>
<li><strong>Footprint and installation:</strong> Measure available floor space including clearance for ventilation. Confirm door swing direction and leveling requirements.</li>
<li><strong>Electrical requirements:</strong> Confirm voltage (115V or 208-230V), amperage, and plug type before purchase. Large upright freezers may require dedicated circuits.</li>
<li><strong>Intended workflow:</strong> High-access workflows benefit from organized drawer systems. Archive or low-access storage may prioritize capacity over configuration.</li>
</ul>
<h2>Laboratory Freezer Types</h2>
<h3>Upright Laboratory Freezers</h3>
<p>Upright laboratory freezers are the most common configuration in research and clinical settings. They provide organized shelf or drawer access, clear visibility of contents, and are available in a range of capacities. Most -20°C laboratory freezers in this collection are upright models.</p>
<h3>Undercounter Laboratory Freezers</h3>
<p>Undercounter laboratory freezers are compact units designed to fit beneath standard bench heights. They are well-suited for point-of-use storage in space-constrained labs where a full-size upright is not practical.</p>
<h3>General-Purpose Laboratory Freezers</h3>
<p>General-purpose laboratory freezers are designed for routine reagent and sample storage at approximately -20°C. They are not intended for applications requiring validated ultra-low temperatures. Confirm suitability for your specific application and regulatory requirements.</p>
<h2>Popular Laboratory Freezer Manufacturers and Models</h2>
<p>mLab Supply sources laboratory freezers from leading manufacturers including Thermo Scientific, Panasonic PHCbi, Helmer Scientific, So-Low, and VWR. Common models available through our sourcing program include:</p>
<div class="mlab-collection-model-grid">
<h3>Thermo Scientific</h3>
<ul>
<li>TSX Series -20°C Laboratory Freezer</li>
<li>TSX Series High-Performance Freezer</li>
<li>Revco -20°C Laboratory Freezer</li>
</ul>
<h3>Panasonic PHCbi</h3>
<ul>
<li>MDF-MU Series -20°C Freezer</li>
</ul>
<h3>Helmer Scientific</h3>
<ul>
<li>iF Series -20°C Laboratory Freezer</li>
</ul>
<h3>So-Low</h3>
<ul>
<li>U85-21 -20°C Upright Laboratory Freezer</li>
</ul>
<h3>VWR</h3>
<ul>
<li>General-Purpose -20°C Laboratory Freezer</li>
</ul>
</div>
<p>Model availability varies. <a href="/pages/request-a-quote">Request a quote</a> for current availability or to source a specific model not listed.</p>
<h2>-20°C Laboratory Freezers vs. Ultra-Low Temperature Freezers</h2>
<p>Laboratory freezers and ultra-low temperature (ULT) freezers serve distinct storage needs:</p>
<ul>
<li><strong>Laboratory freezers (-20°C class):</strong> Designed for routine storage of reagents, enzymes, kits, media components, and general biological samples. They use standard compressor technology and are appropriate for everyday lab cold storage workflows.</li>
<li><strong>Ultra-low temperature freezers (-80°C class):</strong> Designed for long-term preservation of temperature-sensitive materials including cell lines, tissue samples, and biologics requiring sustained deep-cold storage. ULT freezers use cascade compressor systems, heavier insulation, and have significantly different installation, electrical, and operating requirements.</li>
</ul>
<p>If your application requires sustained temperatures below -40°C, see our <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> collection.</p>
<h2>Buying Used and Refurbished Laboratory Freezers</h2>
<p>Used and refurbished laboratory freezers can provide significant cost savings. When evaluating a used unit, consider:</p>
<ul>
<li><strong>Cabinet condition:</strong> Inspect exterior and interior for dents, corrosion, or damage that could affect performance or cleanability.</li>
<li><strong>Door gasket and seal:</strong> A compromised gasket reduces temperature performance and increases compressor load. Gaskets should seal firmly around the full perimeter.</li>
<li><strong>Compressor performance:</strong> The compressor is the most critical component. Ask about compressor history and whether the unit holds setpoint under load.</li>
<li><strong>Temperature control:</strong> Confirm the controller functions correctly and the unit reaches and maintains the target setpoint.</li>
<li><strong>Alarms:</strong> Verify that high/low temperature alarms and door-ajar alarms are functional.</li>
<li><strong>Shelving and drawers:</strong> Confirm shelf count and condition. Included shelving and accessories vary by unit.</li>
<li><strong>Frost and ice condition:</strong> Excessive frost buildup may indicate a door seal issue or defrost system problem.</li>
<li><strong>Service history:</strong> Where available, service records provide useful context on maintenance and repairs.</li>
<li><strong>Voltage and installation:</strong> Confirm electrical requirements match your facility before purchase.</li>
</ul>
<p>mLab Supply sources used and refurbished laboratory freezers from research institutions, pharmaceutical companies, and surplus equipment programs. <a href="/pages/request-a-quote">Request a quote</a> for current availability.</p>
<h2>Temperature Monitoring and Alarms</h2>
<p>Reliable temperature monitoring is essential for laboratory freezer applications. Consider the following:</p>
<ul>
<li><strong>Onboard temperature display:</strong> Most laboratory-grade freezers include a digital display showing current cabinet temperature.</li>
<li><strong>High/low temperature alarms:</strong> Audible and visual alarms alert users when temperature exceeds set thresholds.</li>
<li><strong>Remote alarm contacts:</strong> Some models include dry-contact relay outputs for connection to building management systems or remote alarm panels. Confirm availability on specific models.</li>
<li><strong>Independent monitoring systems:</strong> For critical applications, an independent monitoring system provides an additional layer of protection.</li>
<li><strong>Data logging:</strong> Some models include onboard data logging or USB export. Third-party data loggers can be added to most freezers.</li>
</ul>
<p>Temperature monitoring accessories are not included unless specifically stated. <a href="/pages/request-a-quote">Contact us</a> to discuss monitoring options for specific units.</p>
<h2>Applications</h2>
<p>-20°C laboratory freezers support a wide range of research and clinical cold storage workflows, including:</p>
<ul>
<li>Reagent and buffer storage</li>
<li>Enzyme and molecular biology kit storage</li>
<li>Biological sample storage where -20°C is appropriate for the sample type</li>
<li>Cell culture media components and supplements</li>
<li>Research consumables requiring cold storage</li>
<li>General laboratory cold storage for research and clinical support</li>
</ul>
<p>Suitability for specific regulated applications including blood banking, vaccine storage, clinical diagnostics, or GMP manufacturing depends on buyer qualification, validation, SOPs, documentation, quality-system requirements, monitoring, and intended use. Buyers are responsible for confirming that any unit meets their specific application and regulatory requirements.</p>
<h2>Procurement and Logistics Support</h2>
<p>mLab Supply supports institutional and commercial laboratory equipment procurement. Our team can assist with:</p>
<ul>
<li><strong>Formal quotations:</strong> Written quotes for institutional purchasing, vendor onboarding, and purchase order workflows.</li>
<li><strong>Sourcing specific models:</strong> If a specific model is not currently listed, contact us. We can often source it through our supplier network.</li>
<li><strong>Freight coordination:</strong> Laboratory freezers are large, heavy instruments. We coordinate freight and delivery logistics for qualified orders.</li>
<li><strong>Delivery planning:</strong> We work with buyers to plan delivery including site access, loading dock requirements, and scheduling.</li>
<li><strong>Electrical and installation considerations:</strong> We can advise on electrical requirements and help coordinate installation planning where applicable.</li>
</ul>
<p><a href="/pages/request-a-quote">Request a quote</a> or contact us to discuss your procurement requirements.</p>
<h2>Related Laboratory Equipment</h2>
<p>Buyers sourcing laboratory freezers often also need complementary cold storage and sample processing equipment. mLab Supply sources a broad range of laboratory instruments, including <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> for deep-cold storage applications, <a href="/collections/lab-refrigerators">Lab Refrigerators</a> for above-freezing cold storage, and <a href="/collections/centrifuges">Centrifuges</a> for sample preparation workflows. Browse our full <a href="/collections/labequipment">Lab Equipment</a> catalog or visit our <a href="/collections/thermo-scientific">Thermo Scientific Laboratory Equipment</a> hub. To <a href="/pages/sell-lab-equipment">sell surplus laboratory equipment</a>, we purchase used instruments from institutions and research facilities.</p>
<h2>Why Buy From mLab Supply?</h2>
<ul>
<li>New, refurbished, and surplus laboratory freezers sourced from research institutions and commercial facilities</li>
<li>Ability to source discontinued and hard-to-find models through our supplier network</li>
<li>Vendor and procurement support for institutional purchasing workflows</li>
<li>Net 30 available for qualified institutions</li>
<li>Nationwide shipping coordination</li>
<li>Equipment purchasing and trade-in programs for surplus laboratory freezers</li>
<li>Freight and installation logistics support on select systems</li>
</ul>
<div class="mlab-collection-faq">
<h2>Frequently Asked Questions</h2>
<details>
<summary>What temperature is a standard laboratory freezer?</summary>
<p>Standard laboratory freezers are designed to maintain temperatures around -20°C (approximately -4°F). This range is appropriate for routine storage of reagents, enzymes, molecular biology kits, and general biological samples. Confirm the specific setpoint range and uniformity specifications for any unit before purchase.</p>
</details>
<details>
<summary>What is the difference between a -20°C laboratory freezer and an ultra-low temperature freezer?</summary>
<p>Laboratory freezers operate around -20°C and are designed for routine reagent and sample storage. Ultra-low temperature (ULT) freezers typically operate at -80°C and are designed for long-term preservation of temperature-sensitive materials such as cell lines, tissue samples, and biologics. ULT freezers use cascade compressor systems, require heavier insulation, and have significantly different electrical and installation requirements. See our <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> collection if you need -80°C class storage.</p>
</details>
<details>
<summary>What capacity laboratory freezer do I need?</summary>
<p>Capacity depends on your current inventory volume and anticipated growth. Upright laboratory freezers range from compact undercounter units to large uprights exceeding 20 cubic feet. Consider container types, shelf configuration, and access frequency. Overfilling a freezer reduces airflow and temperature uniformity.</p>
</details>
<details>
<summary>What should I inspect before buying a used laboratory freezer?</summary>
<p>Key inspection points include cabinet and interior condition, door gasket integrity, compressor performance and history, temperature controller function, alarm operation, shelf and drawer condition, frost and ice buildup, service history where available, and electrical requirements. Included accessories vary by unit.</p>
</details>
<details>
<summary>Are shelves and drawers included with used laboratory freezers?</summary>
<p>Included shelving, drawers, and accessories vary by unit. Some used freezers are sold with a full complement of original shelving; others may have partial or no shelving. Confirm what is included with any specific unit before purchase. <a href="/pages/request-a-quote">Contact us</a> for details on a specific listing.</p>
</details>
<details>
<summary>Can mLab Supply source a specific Thermo Scientific, PHCbi, Helmer, So-Low, or VWR laboratory freezer?</summary>
<p>Yes. If a specific model is not currently listed, our sourcing team can often locate it through our supplier and institutional network. <a href="/pages/request-a-quote">Submit a quote request</a> with the model number and your requirements and we will follow up on availability.</p>
</details>
<details>
<summary>Are refurbished laboratory freezers suitable for regulated laboratory applications?</summary>
<p>Suitability for regulated applications including GMP manufacturing, clinical diagnostics, blood banking, or vaccine storage depends on buyer qualification, validation, SOPs, documentation, quality-system requirements, monitoring, and intended use. mLab Supply does not guarantee that any unit meets specific regulatory requirements. Buyers are responsible for confirming suitability for their application.</p>
</details>
<details>
<summary>What electrical requirements should I confirm before purchasing a laboratory freezer?</summary>
<p>Confirm voltage (115V single-phase or 208-230V), amperage draw, plug type, and whether a dedicated circuit is required. Large upright laboratory freezers often require 20-amp dedicated circuits. Confirm requirements with your facilities team before delivery.</p>
</details>
<details>
<summary>Does mLab Supply coordinate freight and delivery for laboratory freezers?</summary>
<p>Yes. Laboratory freezers are large, heavy instruments that require freight coordination. We work with buyers to plan delivery logistics including site access, loading dock requirements, and scheduling. <a href="/pages/request-a-quote">Contact us</a> to discuss delivery planning for your order.</p>
</details>
<details>
<summary>Does mLab Supply purchase surplus laboratory freezers?</summary>
<p>Yes. We purchase used and surplus laboratory freezers from research institutions, pharmaceutical companies, and commercial facilities. Visit our <a href="/pages/sell-lab-equipment">Sell Lab Equipment</a> page to submit details about your surplus equipment.</p>
</details>
<details>
<summary>Does mLab Supply offer Net 30 terms?</summary>
<p>Net 30 payment terms are available for qualified institutions. <a href="/pages/request-a-quote">Contact us</a> to discuss payment terms for your organization.</p>
</details>
</div>
<p>Selecting the right laboratory freezer depends on your storage requirements, workflow, and facility constraints. Key considerations include:</p>
<ul>
<li><strong>Target storage temperature:</strong> Standard laboratory freezers operate around -20°C, suitable for reagents, enzymes, kits, and general biological samples. Confirm your required temperature range before purchasing.</li>
<li><strong>Cabinet capacity:</strong> Capacity is typically expressed in cubic feet or liters. Match cabinet size to your current inventory volume with room for growth. Overfilling reduces airflow and temperature uniformity.</li>
<li><strong>Upright vs. undercounter:</strong> Upright freezers offer greater capacity and easier access to shelved contents. Undercounter models fit beneath benches and suit space-constrained labs.</li>
<li><strong>Shelf and drawer configuration:</strong> Wire shelves, solid shelves, and drawers each suit different container types. Confirm shelf count, adjustability, and load ratings for your containers.</li>
<li><strong>Temperature uniformity:</strong> Fan-forced models generally provide better uniformity than static models. Uniformity matters for sensitive reagents and samples.</li>
<li><strong>Recovery after door openings:</strong> Frequent access requires a freezer with strong recovery performance. Consider access frequency when evaluating compressor capacity.</li>
<li><strong>Alarms:</strong> High/low temperature alarms and door-ajar alarms are standard on most laboratory-grade freezers. Confirm alarm types and remote alarm contact availability for your monitoring system.</li>
<li><strong>Controller and display:</strong> Digital microprocessor controllers with clear temperature displays are preferred for laboratory use. Some models offer data logging or connectivity options.</li>
<li><strong>Footprint and installation:</strong> Measure available floor space including clearance for ventilation. Confirm door swing direction and leveling requirements.</li>
<li><strong>Electrical requirements:</strong> Confirm voltage (115V or 208-230V), amperage, and plug type before purchase. Large upright freezers may require dedicated circuits.</li>
<li><strong>Intended workflow:</strong> High-access workflows benefit from organized drawer systems. Archive or low-access storage may prioritize capacity over configuration.</li>
</ul>
<h2>Laboratory Freezer Types</h2>
<h3>Upright Laboratory Freezers</h3>
<p>Upright laboratory freezers are the most common configuration in research and clinical settings. They provide organized shelf or drawer access, clear visibility of contents, and are available in a range of capacities. Most -20°C laboratory freezers in this collection are upright models.</p>
<h3>Undercounter Laboratory Freezers</h3>
<p>Undercounter laboratory freezers are compact units designed to fit beneath standard bench heights. They are well-suited for point-of-use storage in space-constrained labs where a full-size upright is not practical.</p>
<h3>General-Purpose Laboratory Freezers</h3>
<p>General-purpose laboratory freezers are designed for routine reagent and sample storage at approximately -20°C. They are not intended for applications requiring validated ultra-low temperatures. Confirm suitability for your specific application and regulatory requirements.</p>
<h2>Popular Laboratory Freezer Manufacturers and Models</h2>
<p>mLab Supply sources laboratory freezers from leading manufacturers including Thermo Scientific, Panasonic PHCbi, Helmer Scientific, So-Low, and VWR. Common models available through our sourcing program include:</p>
<div class="mlab-collection-model-grid">
<h3>Thermo Scientific</h3>
<ul>
<li>TSX Series -20°C Laboratory Freezer</li>
<li>TSX Series High-Performance Freezer</li>
<li>Revco -20°C Laboratory Freezer</li>
</ul>
<h3>Panasonic PHCbi</h3>
<ul>
<li>MDF-MU Series -20°C Freezer</li>
</ul>
<h3>Helmer Scientific</h3>
<ul>
<li>iF Series -20°C Laboratory Freezer</li>
</ul>
<h3>So-Low</h3>
<ul>
<li>U85-21 -20°C Upright Laboratory Freezer</li>
</ul>
<h3>VWR</h3>
<ul>
<li>General-Purpose -20°C Laboratory Freezer</li>
</ul>
</div>
<p>Model availability varies. <a href="/pages/request-a-quote">Request a quote</a> for current availability or to source a specific model not listed.</p>
<h2>-20°C Laboratory Freezers vs. Ultra-Low Temperature Freezers</h2>
<p>Laboratory freezers and ultra-low temperature (ULT) freezers serve distinct storage needs:</p>
<ul>
<li><strong>Laboratory freezers (-20°C class):</strong> Designed for routine storage of reagents, enzymes, kits, media components, and general biological samples. They use standard compressor technology and are appropriate for everyday lab cold storage workflows.</li>
<li><strong>Ultra-low temperature freezers (-80°C class):</strong> Designed for long-term preservation of temperature-sensitive materials including cell lines, tissue samples, and biologics requiring sustained deep-cold storage. ULT freezers use cascade compressor systems, heavier insulation, and have significantly different installation, electrical, and operating requirements.</li>
</ul>
<p>If your application requires sustained temperatures below -40°C, see our <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> collection.</p>
<h2>Buying Used and Refurbished Laboratory Freezers</h2>
<p>Used and refurbished laboratory freezers can provide significant cost savings. When evaluating a used unit, consider:</p>
<ul>
<li><strong>Cabinet condition:</strong> Inspect exterior and interior for dents, corrosion, or damage that could affect performance or cleanability.</li>
<li><strong>Door gasket and seal:</strong> A compromised gasket reduces temperature performance and increases compressor load. Gaskets should seal firmly around the full perimeter.</li>
<li><strong>Compressor performance:</strong> The compressor is the most critical component. Ask about compressor history and whether the unit holds setpoint under load.</li>
<li><strong>Temperature control:</strong> Confirm the controller functions correctly and the unit reaches and maintains the target setpoint.</li>
<li><strong>Alarms:</strong> Verify that high/low temperature alarms and door-ajar alarms are functional.</li>
<li><strong>Shelving and drawers:</strong> Confirm shelf count and condition. Included shelving and accessories vary by unit.</li>
<li><strong>Frost and ice condition:</strong> Excessive frost buildup may indicate a door seal issue or defrost system problem.</li>
<li><strong>Service history:</strong> Where available, service records provide useful context on maintenance and repairs.</li>
<li><strong>Voltage and installation:</strong> Confirm electrical requirements match your facility before purchase.</li>
</ul>
<p>mLab Supply sources used and refurbished laboratory freezers from research institutions, pharmaceutical companies, and surplus equipment programs. <a href="/pages/request-a-quote">Request a quote</a> for current availability.</p>
<h2>Temperature Monitoring and Alarms</h2>
<p>Reliable temperature monitoring is essential for laboratory freezer applications. Consider the following:</p>
<ul>
<li><strong>Onboard temperature display:</strong> Most laboratory-grade freezers include a digital display showing current cabinet temperature.</li>
<li><strong>High/low temperature alarms:</strong> Audible and visual alarms alert users when temperature exceeds set thresholds.</li>
<li><strong>Remote alarm contacts:</strong> Some models include dry-contact relay outputs for connection to building management systems or remote alarm panels. Confirm availability on specific models.</li>
<li><strong>Independent monitoring systems:</strong> For critical applications, an independent monitoring system provides an additional layer of protection.</li>
<li><strong>Data logging:</strong> Some models include onboard data logging or USB export. Third-party data loggers can be added to most freezers.</li>
</ul>
<p>Temperature monitoring accessories are not included unless specifically stated. <a href="/pages/request-a-quote">Contact us</a> to discuss monitoring options for specific units.</p>
<h2>Applications</h2>
<p>-20°C laboratory freezers support a wide range of research and clinical cold storage workflows, including:</p>
<ul>
<li>Reagent and buffer storage</li>
<li>Enzyme and molecular biology kit storage</li>
<li>Biological sample storage where -20°C is appropriate for the sample type</li>
<li>Cell culture media components and supplements</li>
<li>Research consumables requiring cold storage</li>
<li>General laboratory cold storage for research and clinical support</li>
</ul>
<p>Suitability for specific regulated applications including blood banking, vaccine storage, clinical diagnostics, or GMP manufacturing depends on buyer qualification, validation, SOPs, documentation, quality-system requirements, monitoring, and intended use. Buyers are responsible for confirming that any unit meets their specific application and regulatory requirements.</p>
<h2>Procurement and Logistics Support</h2>
<p>mLab Supply supports institutional and commercial laboratory equipment procurement. Our team can assist with:</p>
<ul>
<li><strong>Formal quotations:</strong> Written quotes for institutional purchasing, vendor onboarding, and purchase order workflows.</li>
<li><strong>Sourcing specific models:</strong> If a specific model is not currently listed, contact us. We can often source it through our supplier network.</li>
<li><strong>Freight coordination:</strong> Laboratory freezers are large, heavy instruments. We coordinate freight and delivery logistics for qualified orders.</li>
<li><strong>Delivery planning:</strong> We work with buyers to plan delivery including site access, loading dock requirements, and scheduling.</li>
<li><strong>Electrical and installation considerations:</strong> We can advise on electrical requirements and help coordinate installation planning where applicable.</li>
</ul>
<p><a href="/pages/request-a-quote">Request a quote</a> or contact us to discuss your procurement requirements.</p>
<h2>Related Laboratory Equipment</h2>
<p>Buyers sourcing laboratory freezers often also need complementary cold storage and sample processing equipment. mLab Supply sources a broad range of laboratory instruments, including <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> for deep-cold storage applications, <a href="/collections/lab-refrigerators">Lab Refrigerators</a> for above-freezing cold storage, and <a href="/collections/centrifuges">Centrifuges</a> for sample preparation workflows. Browse our full <a href="/collections/labequipment">Lab Equipment</a> catalog or visit our <a href="/collections/thermo-scientific">Thermo Scientific Laboratory Equipment</a> hub. To <a href="/pages/sell-lab-equipment">sell surplus laboratory equipment</a>, we purchase used instruments from institutions and research facilities.</p>
<h2>Why Buy From mLab Supply?</h2>
<ul>
<li>New, refurbished, and surplus laboratory freezers sourced from research institutions and commercial facilities</li>
<li>Ability to source discontinued and hard-to-find models through our supplier network</li>
<li>Vendor and procurement support for institutional purchasing workflows</li>
<li>Net 30 available for qualified institutions</li>
<li>Nationwide shipping coordination</li>
<li>Equipment purchasing and trade-in programs for surplus laboratory freezers</li>
<li>Freight and installation logistics support on select systems</li>
</ul>
<div class="mlab-collection-faq">
<h2>Frequently Asked Questions</h2>
<details>
<summary>What temperature is a standard laboratory freezer?</summary>
<p>Standard laboratory freezers are designed to maintain temperatures around -20°C (approximately -4°F). This range is appropriate for routine storage of reagents, enzymes, molecular biology kits, and general biological samples. Confirm the specific setpoint range and uniformity specifications for any unit before purchase.</p>
</details>
<details>
<summary>What is the difference between a -20°C laboratory freezer and an ultra-low temperature freezer?</summary>
<p>Laboratory freezers operate around -20°C and are designed for routine reagent and sample storage. Ultra-low temperature (ULT) freezers typically operate at -80°C and are designed for long-term preservation of temperature-sensitive materials such as cell lines, tissue samples, and biologics. ULT freezers use cascade compressor systems, require heavier insulation, and have significantly different electrical and installation requirements. See our <a href="/collections/ultra-low-temperature-freezers">Ultra-Low Temperature Freezers</a> collection if you need -80°C class storage.</p>
</details>
<details>
<summary>What capacity laboratory freezer do I need?</summary>
<p>Capacity depends on your current inventory volume and anticipated growth. Upright laboratory freezers range from compact undercounter units to large uprights exceeding 20 cubic feet. Consider container types, shelf configuration, and access frequency. Overfilling a freezer reduces airflow and temperature uniformity.</p>
</details>
<details>
<summary>What should I inspect before buying a used laboratory freezer?</summary>
<p>Key inspection points include cabinet and interior condition, door gasket integrity, compressor performance and history, temperature controller function, alarm operation, shelf and drawer condition, frost and ice buildup, service history where available, and electrical requirements. Included accessories vary by unit.</p>
</details>
<details>
<summary>Are shelves and drawers included with used laboratory freezers?</summary>
<p>Included shelving, drawers, and accessories vary by unit. Some used freezers are sold with a full complement of original shelving; others may have partial or no shelving. Confirm what is included with any specific unit before purchase. <a href="/pages/request-a-quote">Contact us</a> for details on a specific listing.</p>
</details>
<details>
<summary>Can mLab Supply source a specific Thermo Scientific, PHCbi, Helmer, So-Low, or VWR laboratory freezer?</summary>
<p>Yes. If a specific model is not currently listed, our sourcing team can often locate it through our supplier and institutional network. <a href="/pages/request-a-quote">Submit a quote request</a> with the model number and your requirements and we will follow up on availability.</p>
</details>
<details>
<summary>Are refurbished laboratory freezers suitable for regulated laboratory applications?</summary>
<p>Suitability for regulated applications including GMP manufacturing, clinical diagnostics, blood banking, or vaccine storage depends on buyer qualification, validation, SOPs, documentation, quality-system requirements, monitoring, and intended use. mLab Supply does not guarantee that any unit meets specific regulatory requirements. Buyers are responsible for confirming suitability for their application.</p>
</details>
<details>
<summary>What electrical requirements should I confirm before purchasing a laboratory freezer?</summary>
<p>Confirm voltage (115V single-phase or 208-230V), amperage draw, plug type, and whether a dedicated circuit is required. Large upright laboratory freezers often require 20-amp dedicated circuits. Confirm requirements with your facilities team before delivery.</p>
</details>
<details>
<summary>Does mLab Supply coordinate freight and delivery for laboratory freezers?</summary>
<p>Yes. Laboratory freezers are large, heavy instruments that require freight coordination. We work with buyers to plan delivery logistics including site access, loading dock requirements, and scheduling. <a href="/pages/request-a-quote">Contact us</a> to discuss delivery planning for your order.</p>
</details>
<details>
<summary>Does mLab Supply purchase surplus laboratory freezers?</summary>
<p>Yes. We purchase used and surplus laboratory freezers from research institutions, pharmaceutical companies, and commercial facilities. Visit our <a href="/pages/sell-lab-equipment">Sell Lab Equipment</a> page to submit details about your surplus equipment.</p>
</details>
<details>
<summary>Does mLab Supply offer Net 30 terms?</summary>
<p>Net 30 payment terms are available for qualified institutions. <a href="/pages/request-a-quote">Contact us</a> to discuss payment terms for your organization.</p>
</details>
</div>