Micro Cooling System for Air Conditioning - The World's Smallest Cooling System

Micro DC Aircon
Micro Cooling System for Air Conditioning - The World's Smallest Air Cooling A/C Unit
The Micro DC Aircon is an air-cooled circulatory subsystem. It consists of a mini compressor (12V/24V/48V) with R134A coolant, the smallest condenser, evaporator, blower, filter drier, driver board, and other refrigeration parts.

The Micro DC Aircon is developed to satisfy the growing market that wants small cooling for compact and confined space cooling. RIGID micro aircon is frequently used in the cubby, EVs (electric vehicles), helicopters, cabs, and other small space cooling.

The small DC Aircon uses vapor compression technology to chill the air within an enclosed environment. The air removes the heat from the room and provides circulating chilled air without the need to change the user's existing system architecture.

RIGID Micro DC Aircon is good for customers who are able to deal with system control. We provide a drive board to control the aircon speeds. Our Micro DC Aircon is a compact, light, rugged temperature control system for electronic device cooling. Plus, the end user's software or computer can connect with the RIGID drive board (included) to control compressor speed and get the best performance they needed.

RIGID Micro DC Aircon enables EV batteries and electronics systems to be deployed effectively in hot, challenging environments. Over 10,000 micro dc aircon units have been deployed to outdoor telecom communications bases/electronics and Lithium battery applications worldwide. Also, RIGID has developed a tropical small & portable dc aircon (55℃) for extremely hot areas in the Middle East and Dubai.
Provides effective cooling and dehumidification to EV, battery, and electronics enclosures.
Micro DC Aircon - Cooling
Weight: 5 kgs/11lbs
Capacity: 100W~550W
Voltage: 12V/24V/48V DC
Refrigerant: R134A /R290
External Size: 350x280x180mm;
Orientation: <30° from flat
Adopts miniature rotary bldc compressor;
Humidity Control: 70% RH between 50°F and 140°F
Small refrigerant compressor provides reliable small refrigeration solution;
The mini dc aircon provides an excellent cooling where size/space/efficiency are important factors.
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The Best Micro DC Aircon for Camping, Van, Trailer, RV, Driver cab, and other compact space air cooling.
Key Features
The Variable Speed Miniature DC Air Conditioner Unit Provides Unique Advantages for Your Applications

Completely Electrical Power

Reduced fuel expenses, No worry of maintenance.
Comfort Cooling Temp

Cooling temp 5℃~ 30℃, No oil comsumption, quiet.
Environmentally Friendly

Battery-driven, prevent atmospheric emissions of CO2
Easy to Installation

Easy mounting without drilling the cab on trucks with a hatch
Rugged Micro DC Aircon Unit
Varable Speed DC Aircons - 12V 24V 48V

RIGID is a miniature compressor innovation leader in China. We are creative and capture new technologies in compact cooling systems. It provides focused heat transfer and is especially useful for applications where space and weight are critical matters.

The Micro DC Aircon consists of the basic 4 parts: a mini compressor, a micro-channel condenser, an expansion valve or capillary, and an evaporator. In the dc air conditioning system, the evaporator is typically a refrigerant-to-air heat exchanger which removes heat from the recirculating air. The blower is necessary to drive the airflow over the heat exchanger to drive the heat transfer.

The Aircon demonstrates the good cooling performance of the vapor compression cycle for an air conditioning system. The benefits of the mini air conditioner unit include an ultra-small radiator and evaporator with an efficient blower. It has a very compact size in design. By using a mini compressor, it has features of lightest weight while excellent heat transfer performance as well.

Input power is 150W with supposedly 550W of cooling. That's a COP of 3.0 W/W. It has a capillary tube, not an expansion valve. The compressor is variable speed, so it is energy efficient and saving. The Micro Aircon contains an evaporator and a mini blower itself.

The maximum cold air outlet temperature (from the evaporator) is 5℃ (41℉). For extreme hot areas like the Middle East or Dubai, the max ambient temp is 55℃ (131℉), that is our tropical 24V air aircon unit DV1920E-AC(T). so the tropical A/C unit is able to operate in higher temps.

RIGID Micro DC Aircon is an ideal setup for van life, to cool a bed. For example, one of those ducted air blankets that hospitals use. Or a bed platform/mattress with holes to duct air to the bed. 250W of cooling is enough to keep two people comfortable when sleeping. With only 10A-15A of input power that could be reasonable.

Of course, there are no standardized ratings cited, so actual performance may vary according to different environments.
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Micro DC Aircon DV3820E-AC-T R290
$790.00 - $810.00
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Micro DC Aircon DV3820E-AC (R134a)
$770.00 - $790.00
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Micro DC Aircon DV3830E-AC-T R290
$790.00 - $810.00
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Micro DC Aircon DV3830E-AC (R134a)
$770.00 - $790.00
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Micro DC Aircon DV1930E-AC (48V)
$600.00 - $620.00
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Micro DC Aircon DV1920E-AC (24V)
$590.00 - $650.00
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Micro DC Aircon DV1910E-AC (12V)
$580.00 - $600.00
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Micro DC Aircon DV3220E-AC (24V)
$550.00 - $670.00
$650.00
The Variable Speed Miniature DC Air Conditioner Unit Provides Unique Advantages for Your Applications.
Low Weight → Extremely Portable
Low Voltage → Proven Low Risk (12V / 24V / 48V)
Low Noise → Suitable for Office, Hospital, Home
Small Footprint → Easily Integrated into Small Spaces
High Capacity → Comparable to Systems 5x the Size
High-Efficiency → Low Power Draw, Less Heat Rejection
High-Reliability → Less Maintenance, Fewer Service Calls
Variable Speed → Accurate Temperature Stability Available
Micro DC Aircon Applications
Since 2017 we have been manufacturing true direct current R134a refrigerant-based micro aircon units. They are completely battery-driven. No need for fuel! No need for oil, totally environment friendly. Our power-saving features are second to none. The micro dc aircon units do not use lesser quality alternating current compressors that run on power inverters, they are truly dc powered and are manufactured by RIGID! What makes us stand out from the competition is not only the best customer support in the industry but also the finest quality a/c units that are supported by sophisticated R&D teams here in RIGID company and shipped around the world. For more applications, click here!
Contact RIGID TEAM
SMALL COOLING UNITS

Copper Liquid Chiller
Ultra Compact & Light Weight
12V/24V/48V
DC Condensing Unit
Ultra Small Cooling Unit
12V/24V/48V
Stainless St. liquid Chiller
Stainless St. Coil Evaporator
12V/24V/48V
Plate Liquid Chiller
Frame and Plate Evaporator
12V/24V/48V
Coaxial Liquid Chiller
Stainless St. Coaxial Evaporator
12V/24V/48V
Micro DC Aircon Module
Ultra Compact & Light Weight
12V/24V/48V
FAQ
Battery Driven Portable DC Aircon Unit Frequently Asked Questions
1. Where can I buy Micro DC Aircon?
You can place order directly from our online store, Credit cards and PayPal are available. https://www.rigidhvac.com/online-order
2. Can I get quantity discounts?
Sure, please DM ann@rigidhvac.com Nice quotation for mass production will be provided in 12hr.
3. How much power does Micro DC Aircon use?
It uses ~/< 180w under normal running conditions. Max power is ~/<550w.
4. How much capacity (horse power) does Micro DC Aircon have?
It has nominal capacity of 450W~550W () under normal running conditions.
5. What is RIGID Micro DC Aircon included?
The micro dc aircon unit is the ultra-compact and lightest weight, It includes:
1pc x mini compressor
1pc x condenser
1pc x evaporator
1pc x blower
2pcs x fans

It contains refrigerant before shipping, so you just connect to your dc power battery, it works.
6. How many batteries do I need?
10 amps output at least & 100 am/h battery.
7. How long will the micro aircon works connected from battery?
Firstly we need to specify the battery. The 12V aircon nominal 1-8 amps. If we assume about 8 amps continuous. A car battery is usually 35 amp-hours. A prismatic lithium battery from battle born or a 190 amp hour battery from EVE would be a longer run time, just divide the battery by the 8 amps. For example, 100/8=12.5hrs (100 amp hour battery divide by 8).

Technically, it is easy to find 200-300 amp hour batteries and 400-800 or more watts of solar panels, it runs this micro dc air conditioner unit all day.
8. What about the connecting lines?
No need to worry about assembling or pipe connecting, we've done it before shipping, including refrigerant. Engineering Zero!
9. What else do I need to install the micro dc aircon?
You only need to prepare a switch power or connect to battery power, which stores energy and provides enough dc power supply.
10. How much volume or space will DC Aircon Unit cool?
The maximum cooling capacity is 550W (1,876 BTU) unit. Normally it can cool 15-20 square feet (1~2㎡).
11. Does the micro dc aircon need to vent?
The short answer is yes. Like any air conditioning system, RIGID micro aircon unit condenser must be installed outside. Vent the hot air that comes off the heat exchanger to the outdoors.

Portable dc air conditioners pull in warm air, cool it, and expel the cooled air out of the evaporator and the remaining warm air and moisture out of the back of the unit. This warm air and moisture need to be vented out of the room you are currently cooling. Make sure to heat the air exhaust outside. The easiest and most popular way to vent heat air through a nearby window.

Hoses are available as optional parts if you requested.
12. What happens to the moisture in the air or condensate water?
Since the dc air conditioners pull moisture as well as heat out of the air, RIGID small aircon units have self-evaporative technology. This innovative technology internally processes and evaporates the collected moisture and then exhausts it out of the back of the unit.

In climates that are extra humid, some water will be collected in a reservoir located at the bottom of the a/c. So condensate water can be drained by a pipe. In this case, you can either manually empty the reservoir when it is full or use the integrated gravity drain.
13. How noisy is RIGID micro dc aircon unit?
Because of the differences in personal preference, this can be a hard question to answer. Since portable air conditioners contain both a compressor and fan, they sound similar to a window air conditioning unit, which most of us have heard at one time or another. With that said, you want to pay attention to a portable air conditioner decibel rating (dB level) which is located on each product description page.

Most units are between 48 dB (which is the same noise level as falling rain) and 60 dB (which is the same noise level as a normal conversation).
14. Can I become a dealer?
Yes, we work with compressors and HVAC companies in the USA and around the world. Please contact us.
15. What factors should I consider when looking for the micro A/C unit?
BTUs/Room Size — This directly affects the room size and how quickly the unit will be able to cool. The higher the BTU, the larger the area the micro dc aircon can efficiently cool.

Indoor or Outdoor Design — Indoor units expel warm air and moisture and are easy to install. Outdoor units need to be custom-made, which are also fairly easy to install, enclosure or cover is requested while simultaneously pulling in more air to coo
16. What additional parts should I need when install the micro dc air conditioner unit?
DC Power Supply
Temperature Sensor (optional)
17. How can I get better cooling performance?
1. Enough airflow from vents
The hose is shorter is better, so you can get enough airflow from the vents. Plus, you can install an additional blower in-line for the a/c intake if possible. This helps the a/c unit produce a better flow from the outlet vent.

2. Make sure better ventilation
Removing the warm air from the condenser. It is better to install the heat part(compressor/condenser) outdoor for exhausting or add a fan to blow out the hot air for better ventilation.
18. How long is the hose that dc air conditioner comes with?
The lengths of the standard duct are 1 meter (3.28 feet). They are made of PVC plastic. We also accept personalized orders for mass production.
19. Can I use the dc air conditioner to cool my server room?
RIGID micro dc aircon units are especially applied to compact and confined space cooling, this is an excellent use for a portable dc air conditioner. Even with central air, computer server rooms have more robust cooling needs than other parts of the building tend to require. Our small dc aircon works well to boost the cooling in a server room.
20. How about the micro dc aircon Dehumidification Capacity?
Besides cooling, RIGID dc aircon has a function as a dehumidifier, working to remove moisture from the air while they cool.

The A/C unit can remove 150ml condensate water per hour.
21. Does RIGID micro dc aircon unit have heating function?
Sure, we have. RIGID has successfully developed a more powerful dc air conditioner unit that has both functions of heating and cooling. Samples are available from our online store, feel free to click here: https://www.rigidhvac.com/store/products/203326
22. Does RIGID supply ready-to-go, off-the-shelf portable air conditioner?
Sure, we have. RIGID has successfully developed portable dc air conditioners that have both controller and remote controller. Product details: https://www.rigidhvac.com/portable-air-conditioner
23. Can I use RIGID micro dc aircon unit in my car?
Sure, RIGID company supplies 12-volt dc air conditioner for car, can be connected through your cigarette lighter and they will be extremely useful for your needs. But you should consider the cooling space wouldn't exceed 2 cubic meters and have nice insulation. It is a better choice if you use the a/c unit blowing cold air to you directly.
24. What is the air flow rate at the cold air outlet?
Blower 28.3CFM, 3000R.P.M; Size: 120mm x 120mm x 32mm.
25. What is the air flow rate at the heat exchanger?
Fan 92.52CFM, 2700R.P.M; Size: 120mm x 120mm x 25mm
26. How to get peak capability of this cooling unit?
You can get more cooling capacity by turning up compressor speeds. But notice, working current and noise will go up as well. The micro aircon will shut down for protection automatically when the speed reaches a maximum of 6000rpm. It will re-start to work in 5~10mins when the system back to balance.

Still, we suggest you insist on our factory default speed: 3000~3500rpm. This setting is the premium considering noise and current.
27. How to adjust the dc aircon compressor speeds?
There are 4 ways to adjust compressor speeds.
PWM Speed Control
Potentiometer speed control(Included)
0-5V Speed control
TTL communication port
28. Can I use this portable aircon for my trailer Van or RV?
If you want this Micro DC Aircon for your trailer or RV SMALL room cooling, you have to make sure more capacity battery. Plus, you'll need to get an inverter at least 1000 watts in case you want to run more things later. Furthermore, if possible, it is cool to add solar panels as power supply backup, that you can run your air conditioner all day long.
29. Can I use this dc aircon for both heating and cooling?
RIGID has another design dc aircon with both Heating and Cooling, they are:
DV1910E-AC/H (12V)
DV1920E-AC/H (24V)
DV1930E-AC/H (48V)
DV3220E-AC/H (24V)
In heating mode, it’s an electric resistance heater, not a reversible heat pump that does both heating and cooling.
30. Is there a dehumidification function for this micro dc aircon？
The Micro dc aircon units also work as dehumidifiers and have an internal tray that collects condensate water, as well as a drainage pipe. Also, it still requires ventilation, but usually, only the heat part (condenser) needs to exhaust.
31. Would this a/c unit work in my crane cab？
Yes, this micro dc aircon can work in a crane cab if you can provide enough DC power supply. Plus, we also recommend you a better fit - Portable Air Conditioner. It is ready-to-go and plug-and-play, including a user interface and remote controller. Product details: https://www.rigidhvac.com/portable-air-conditioner
32. Where is it made, and where are we sending it from?
All our products are made in China and delivered from China. For online orders, we choose DHL/UPS/FedEx Express door-to-door shipping.
It usually takes 9 ~ 15 days to reach your place. Online-store: https://www.rigidhvac.com/online-order
33. What is the ducting hose size on the mini 12v dc aircon? Where can I get a sample?
We also supply ducting hoses, 1-meter length. You can place an order directly from our online store: https://www.rigidhvac.com/store/products/rigidhvac-micro-air-conditioner-dv1910e-ac-12v-pro
Standard Products and Custom Solutions
Established in 2010, RIGID is the manufacturer who's behind many popular brands in the US. RIGID's vision is to set the benchmark standard for the micro cooling industry. We are a China manufacturer and supplier of compact cooling systems, working in close cooperation with the leading United States and European manufacturers of Air-conditioning & Refrigeration.

In addition to offering standard products including Micro DC Aircon (ruggedized air conditioner modules for compact and confined space cooling), Liquid Chiller Modules (battery-driven compact refrigeration systems that our customers integrate into their applications), and DC Condensing Units (world's small direct cooling units used by customers in small freezer, medical, laser, and electronics cooling). RIGID also custom design or modify refrigeration systems for most customers' specific applications.

Let our engineering team develop the perfect cooling solution for you!

Micro DC Aircon
Ultra Compact & Light Weight
Plate Liquid Chiller
Frame and Plate Evaporator
Coaxial Liquid Chiller
St. St. Coaxial Evaporator
St. St. liquid Chiller
Stainless St. Coil Evaporator
Copper Liquid Chiller
Copper Steel Coil Evaporator
DC Condensing Unit
Ultra Small Direct Cooling

Micro DC Aircon

Micro Cooling System for Air Conditioning - The World's Smallest Air Cooling A/C Unit

Provides effective cooling and dehumidification to EV, battery, and electronics enclosures.

Micro DC Aircon - Cooling

Key Features

The Variable Speed Miniature DC Air Conditioner Unit Provides Unique Advantages for Your Applications

Completely Electrical Power

Comfort Cooling Temp

Environmentally Friendly

Easy to Installation

Rugged Micro DC Aircon Unit

Varable Speed DC Aircons - 12V 24V 48V

The Variable Speed Miniature DC Air Conditioner Unit Provides Unique Advantages for Your Applications.

Micro DC Aircon Applications

Contact RIGID TEAM

SMALL COOLING UNITS

Copper Liquid Chiller

Ultra Compact & Light Weight

DC Condensing Unit

Ultra Small Cooling Unit

Stainless St. liquid Chiller

Stainless St. Coil Evaporator

Plate Liquid Chiller

Frame and Plate Evaporator

Coaxial Liquid Chiller

Stainless St. Coaxial Evaporator

Micro DC Aircon Module

Ultra Compact & Light Weight

FAQ

Battery Driven Portable DC Aircon Unit Frequently Asked Questions

1. Where can I buy Micro DC Aircon?

2. Can I get quantity discounts?

3. How much power does Micro DC Aircon use?

4. How much capacity (horse power) does Micro DC Aircon have?

5. What is RIGID Micro DC Aircon included?

6. How many batteries do I need?

7. How long will the micro aircon works connected from battery?

8. What about the connecting lines?

9. What else do I need to install the micro dc aircon?

10. How much volume or space will DC Aircon Unit cool?

11. Does the micro dc aircon need to vent?

12. What happens to the moisture in the air or condensate water?

13. How noisy is RIGID micro dc aircon unit?

14. Can I become a dealer?

15. What factors should I consider when looking for the micro A/C unit?

16. What additional parts should I need when install the micro dc air conditioner unit?

17. How can I get better cooling performance?

18. How long is the hose that dc air conditioner comes with?

19. Can I use the dc air conditioner to cool my server room?

20. How about the micro dc aircon Dehumidification Capacity?

21. Does RIGID micro dc aircon unit have heating function?

22. Does RIGID supply ready-to-go, off-the-shelf portable air conditioner?

23. Can I use RIGID micro dc aircon unit in my car?

24. What is the air flow rate at the cold air outlet?

25. What is the air flow rate at the heat exchanger?

26. How to get peak capability of this cooling unit?

27. How to adjust the dc aircon compressor speeds?

28. Can I use this portable aircon for my trailer Van or RV?

29. Can I use this dc aircon for both heating and cooling?

30. Is there a dehumidification function for this micro dc aircon？

31. Would this a/c unit work in my crane cab？

32. Where is it made, and where are we sending it from?

33. What is the ducting hose size on the mini 12v dc aircon? Where can I get a sample?

Standard Products and Custom Solutions

Micro DC Aircon

Ultra Compact & Light Weight

Plate Liquid Chiller

Frame and Plate Evaporator

Coaxial Liquid Chiller

St. St. Coaxial Evaporator

St. St. liquid Chiller

Stainless St. Coil Evaporator

Copper Liquid Chiller

Copper Steel Coil Evaporator

DC Condensing Unit

Ultra Small Direct Cooling