What is the difference between indirect and direct cooling systems?

Cooling systems present two distinct modes: direct and indirect distribution. Direct systems route cooling water straight into a building's internal piping, while indirect systems employ a heat exchanger, ensuring separation between internal and external systems.

What is the difference between DX system and chilled water system?

The key difference between the two lies in their cooling mechanisms: DX (direct expansion) units directly cool air, while chiller units cool water, readying it for use in other liquid systems such as chilled water handlers.

Mini Freezer Ready: Smallest DC Condensing Unit with Mini Compressor

Name: Mini Freezer Ready: Smallest DC Condensing Unit with Mini Compressor
Brand: RIGID HVAC CO., LTD.
SKU: 2195822675

Zhejiang, ChinaRIGID HVAC CO., LTD.

US$299.00-399.00

1 Piece

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1year

Model NO.

DV1920

Principle

Rotary Compressor

Application

Low Back Pressure Type

Performance

Low Noise

Mute

Lubrication Style

Lubricated

Drive Mode

Electric

Configuration

Portable

Power Source

DC Power

Material

Copper

Weight

2.5kgs (5.51lbs)

Certificate

CE&RoHS

Transport Package

Carton

Specification

190*160*138mm (7.48x6.3x5.43 inch)

Trademark

RIGID

Origin

China

HS Code

8418699090

Production Capacity

50000pieces/Year

Key features

Ultra-Compact Design: World's smallest air direct cooling system, weighing only 2.5kgs, ideal for portable and micro-cooling applications.

Direct Expansion Cooling: Eliminates secondary coolant loops, using refrigerant to directly cool payloads via cold plates for superior efficiency.

Versatile DC Power: Compatible with 12V, 24V, and 48V DC power sources, ensuring flexibility for various mobile and off-grid systems.

High Efficiency Performance: Boasts a cooling capacity of 100-550W with variable speed drive boards for tailored operational efficiency.

Eco-Friendly Refrigerants: Utilizes R134a and R290 refrigerants, providing optimal performance with environmentally friendly options.

Low Noise Operation: Designed for mute operation, making it suitable for sensitive environments like medical devices and labs.

CE & RoHS Certified: Meets strict safety and environmental standards with CE and RoHS certifications for global compliance.

Flexible Customization: Offers flexible customization options to meet specific client requirements for unique cooling solutions.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesQuality AssuranceLow MOQ

RIGID HVAC CO., LTD.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Flexible customization CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.82h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier is a limited trading company with eight employees, focused on miniature refrigeration and thermal-management products, including miniature compressors, DC air conditioning, compact liquid chillers, and free-piston Stirling coolers. It holds a valid import and export license, exports approximately 90% of sales, and serves domestic, East Asian, European, and North American markets. Stated production volumes are substantial across several product categories, but the supplier’s organizational scale and service infrastructure appear limited. It offers flexible customization but does not provide SDKs, ODM services, or OEM services for popular brands, and reports no new products in the past year. Service procedures exist for corrective actions and customer complaints, but written records are unavailable; no overseas service countries are identified. Financial data is only represented by years, without financial performance figures, so credibility cannot be assessed. No certifications or customer...

Supplier typeThe supplier is identified as a trading company and a limited company, with no larger corporate-group affiliation. It has eight employees and a valid import and export license, indicating a legally registered, independently operated trading entity rather than a stated manufacturing-group subsidiary.

After-Sales capabilityThe supplier has procedures for corrective and preventive actions and customer complaints, but no written records are maintained. It reports zero countries offering overseas services and only one qualified service-capability supplier, indicating limited documented and international after-sales support.

R&D capabilityThe supplier describes itself as a miniature compressor innovation leader and offers flexible customization, but it has no available SDK, reports no new products in the past year, and does not provide ODM services. The evidence supports product-domain positioning but not strong current innovation output or development infrastructure.

Production capacityThe supplier offers multiple refrigeration products and reports annual outputs of 50,000 condensing units, 30,000 free-piston Stirling cryocoolers, 50,000 custom cooling systems, 50,000 compact liquid chillers, and 100,000 DC compressors. These stated volumes indicate established supply capability, although the company has only eight employees and is classified as a trading company, so the underlying production ownership is not clarified.

Customization capabilityThe supplier explicitly provides flexible customization and lists custom cooling systems among its offerings. However, it does not provide ODM services, so customization is supported but does not extend to the stated ODM model.

Product Q&A

Q:What is a DC Condensing Unit?

The DC Condensing Unit, also known as Direct Expansion, is engineered to allow refrigerant expansion within a coil that directly contacts the conditioned air destined for the target space, ensuring maximum cooling efficacy.

Q:What components are included in the DC Condensing Unit?

Inside the RIGID DC Condensing Unit lies a sophisticated mini compressor, controller, condenser, capillary, filter drier, and other precision refrigeration components, crafted for unparalleled performance.

Q:What are the advantages of RIGID DC Condensing Units?

RIGID DC Condensing Unit System boasts eco-friendly refrigerants, R134A or R290, and features a Brushless Compressor with driver board, micro channel condenser, and high-efficiency DC fan. An optimized blend of efficiency, reliability, and ultra-compact design defines this innovative cooling solution.

Q:What is the cooling capacity of the DC Condensing Unit?

The system boasts over 450W of cooling capacity with impressively compact dimensions, demanding minimal electrical power for unmatched cooling performance.

Q:How does a DC Condensing Unit system work?

In a masterful orchestration, the expansion components (valve or capillary) meticulously regulate refrigerant flow into the evaporator coil. The evaporator/indoor fan draws hot air from the designated space, channeling it over the heat exchange coil where the refrigerant absorbs heat and expands, resulting in a refreshing drop in air temperature delivered into the space.