Haier | 728L ULT Energy Saving Low Freezer

Haier | 728L ULT Energy Saving Ultra-Low Temperature Freezer | Energy‑Efficient Sample Storage

The Haier 728L ULT Energy Saving Ultra-Low Temperature Freezer, engineered for the reliable long-term storage of critical biological samples, including viruses, bacteria, erythrocytes, and leucocytes.

Ideal for use in blood banks, hospitals, epidemic prevention centers, research laboratories, biological engineering institutes, and laboratories within electronic or chemical plants, this freezer ensures precise, secure sample preservation.

This energy-efficient model features advanced hydrocarbon refrigeration technology and maintains a consistent ultra-low temperature of -86°C with ±5°C uniformity at -80°C, protecting sensitive materials.

A microprocessor controller with multiple alarms, along with standard USB interfaces and remote alarm contacts, provides real-time monitoring and enhanced safety.

The Haier ULT freezer is available in a wide range of sizes and configurations from 100L to 828L, making it adaptable to a variety of laboratory and medical storage requirements.

Key Features

• Field Proven Reliability: Unique insulated inner doors create four separate storage compartments to reduce frost buildup.
• Cascade Refrigeration Control: Specialized system design ensures balanced and efficient cooling performance.
• Positive Reliability Record: Tested in the field for consistent long-term operation.
• Comprehensive Alarms: Alerts for high/low temperature, power failure, sensor errors, clean-filter, and extreme ambient conditions.
• Audible and Visual Alerts: Two types of alarm outputs including buzzer and flashing light.
• System Protection Features: User-settable control codes, start delay, voltage compensation, and protection against extreme voltages.
• Door Open USB Port: Standard on upright models for easy monitoring and data downloading.
• Remote Alarm Contacts: Enables external alarm systems for added safety.
• Wide Voltage Range: Operates reliably from 185V to 260V, suitable for areas with unstable electricity.
• Ambient Temperature Compatibility: Functions efficiently in 10°C to 32°C environments.
• Environmental Monitoring: Displays input voltage and ambient temperature simultaneously.
• Secure Door Latch Casters: Robust latch ensures tight closure; compact casters allow easy movement.
• Low Sound Level: Whisper-quiet fan and compressors reduce noise; chassis designed to absorb vibration.
• Energy Saving: Door seals and VIP insulation panels minimize cold air loss and heat gain.
• Patented Insulation System: Maintains stable ultra-low temperatures with minimal frost buildup.
• Independent Inner Doors: Allows separate access to storage compartments to protect samples.
• Precise Temperature Control: Microprocessor system adjustable from -40°C to -86°C in 1°C increments.
• LED Display: Shows cabinet temperature, set temperature, ambient temperature, and input voltage.
• Adjustable Alarms: High and low temperature alarms, automatic clean-filter, and sensor error alerts.
• Customizable Storage: Adjustable shelves with optional temperature recorders, storage racks, and boxes.

Specifications

Product Manual

Here’s the product brochure for the Haier ULT Energy Saving Low Energy Freezer, which can be found here.

Video

Shipping

• Free curbside delivery (Contiguous United States Only)
• Delivery ETA 7-12 business days
• We also offer white glove engineer delivery with commissioning if required. Please contact us for a quote.
• If you require faster shipping or shipping anywhere other than the contiguous United States, please contact us for a shipping quote.

Warranty

This product comes with a 3 year Manufacturer's Parts and Labour warranty on the unit and a 5 year warranty on the Compressor.

Important Notes

The warranty applies only to the original purchaser of a new product.

It does not cover:

• Normal wear and tear
• Damage due to misuse, alteration, tampering, negligence, accidents, lack of maintenance, unauthorized repair, or any other cause beyond the reasonable control of the manufacturer.

If you have any faults with your items, contact us and we'll help to resolve any issues.

Conditions: Warranty is void if the product is altered, misused, or repaired by unauthorized personnel. Damage from improper maintenance or unsuitable environmental conditions is also excluded.

Important: Product Inspection Upon Delivery

Please inspect all items carefully for any damage that may have occurred during shipping immediately after unpacking and report within 24 hours of receiving the product.

Returns

We at Alto Med Supply are committed to ensuring you are delighted with every purchase. However, if you need to make a return, please reach out to us at support@altomedsupply.com, and we'll guide you through the return process.

Here are a few important points to note:

• You have the right to return your order within 14 calendar days of receiving the goods. Beyond this period, we regret that returns cannot be accepted.
• Products must be returned unused, and in their original packaging.
• Return shipping charges and restocking fees apply. You can contact us to find out what that will be at the time of purchase as this value can change.
• Opened bathroom products cannot be returned due to hygiene reasons.
• Bespoke items cannot be returned unless damaged or faulty.

For more information, please refer to our Terms and Conditions.

Please view our full returns and refund policy here.