What methods are available to control compressor speed?

Four methods are supported: Potentiometer (included), 0-5V, PWM, and TTL communication port. Potentiometer is the most widely adopted.

What are the payment and shipping options?

We accept PayPal, Credit Cards, Bank Transfer, and L/C. Shipping via DHL/UPS, air, or sea freight. Payment requires a 50% deposit, balance against B/L.

What is the warranty policy?

We provide a one-year warranty complemented by lifelong technical support. A 100% refund is offered for any quality defects.

Rigid DC Air Conditioner for Efficient Hydroponics and EV Battery Cooling

Name: Rigid DC Air Conditioner for Efficient Hydroponics and EV Battery Cooling
Brand: RIGID HVAC CO., LTD.
SKU: 2187223235

Zhejiang, ChinaRIGID HVAC CO., LTD.

US$350.00-580.00

1 Piece

Sample price:US$580.00/piece.Request sample

Product profile

Customization

Available

Type

Portable Air Conditioner

Capacity

1535BTU

Model NO.

DV3220E-AC

Usage

Small Space

Indoor Machine Noise

36-49dB

Certification

CE, RoHS

Cooling/Heating

Cooling Only

Power Source

Electrical

Power Type

Condition

New

Voltage

DC12/24/48V

Transport Package

Wooden Box

Trademark

RIGID

Origin

China

HS Code

8418699090

Production Capacity

50000pieces/Year

Key features

Versatile DC Voltage Support: Operates seamlessly on DC 12V, 24V, or 48V power sources for flexible installation.

Ultra-Compact Design: Footprint as small as an A4 sheet, ideal for confined spaces like RVs and boats.

Energy-Efficient BLDC Compressor: Brushless direct-current compressor ensures lower noise, less heat, and longer lifespan.

Multi-Method Speed Control: Supports potentiometer, 0-5V, PWM, and TTL communication for precise cooling adjustment.

Pre-Charged & Ready to Use: Comes pre-filled with refrigerant and oil; no manual charging required upon installation.

Eco-Friendly Refrigerants: Utilizes environmentally friendly R134a/R290 refrigerants for optimal cooling performance.

Comprehensive Technical Support: Includes drive board (PCB) and offers lifelong technical support with one-year warranty.

Flexible Customization Options: Offers flexible customization for voltage and integration into customer-specific systems.

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: ≤1.36h 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:Does this unit require venting outside the cabinet?

Yes, a heat emission outlet is necessary. Flexible tubes can be used to connect the air conditioner unit to the outside.

Q:How do I connect the wiring for the cooling system?

All wiring is pre-prepared. Simply connect to the DC power supply, link the drive board to the compressor, and connect to your system's on/off switch.

Q:Do I need to recharge the refrigerant?

No, units are pre-charged with oil and refrigerant. A dedicated valve is available for future maintenance if a refill is necessary.

Q:Is a controller device included?

The unit does not include an On & Off switch. You must wire a personalized switch, but the drive board is included for integration.

Q:How should condensate water be managed?

Use the strategically positioned drain to collect condensed water via a tube into a consolidated collection tank for disposal or reuse.