# ProAir 12 Volt Mini-Split Air Conditioner **URL:** https://diyrvforum.com/t/proair-12-volt-mini-split-air-conditioner/266 **Category:** Electronics-General **Tags:** mini-split **Created:** [April 25, 2026, 7:49am UTC](https://diyrvforum.com/t/proair-12-volt-mini-split-air-conditioner/266 "2026-04-25T07:49:33Z") **Posts on this page:** 1 **Page:** 1
### Author: ![Matt](https://diyrvforum.com/user_avatar/diyrvforum.com/matt/32/14_2.png) [@Matt](https://diyrvforum.com/u/Matt) #### Post date: [April 25, 2026, 7:49am UTC](https://diyrvforum.com/t/proair-12-volt-mini-split-air-conditioner/266/1 "2026-04-25T07:49:33Z")
# Trauma Heaters offers a ProAir solution Reference: - [Air Conditioning with 12 Volts](https://forum.nuvolect.com/t/air-conditioning-with-12-volts/29) - [Electrical Design - Everything 12 And 120 Volts](https://forum.nuvolect.com/t/electrical-design-everything-12-and-120-volts/25) [https://trumaheaters.com/products/12v-air-conditioner-for-class-b-van-trailer-or-camper-proair](https://trumaheaters.com/products/12v-air-conditioner-for-class-b-van-trailer-or-camper-proair) **Measured Noise Levels** | Location | On/Off | Noise dB | Notes | | --- | --- | --- | --- | | Inside | On | 52 | | | Inside | Off | 21.6 | | | Outside | On | 56.5 | | | Outside | Off | 36.5 | Rain falling and road noise | **Measured Power Consumption** TODO 751 watts 609 watts 1 watt 484 watts Included with package 1. ProAir 109 Under-mount or roof mount condenser, large surface area with fans. Size: 10"x30"x13" 30LB - [https://www.proairllc.com/109-condenser-ang/](https://www.proairllc.com/109-condenser-ang/) 2. ProAir 12V Compressor with rubber isolation mountsSize 8.27 x 5.98 x 5.31" 12.1LB 3. ProAir Digital Thermostat with temperature sensor 4. ProAir Controller board for condenser, compressor, evaporator, and thermostat 5. Appropriate wiring harness for all components 6. Cut to length A/C lines and hoses with PEX style crimp fittings (Easy DIY) 7. Dryer, low pressure, and high-pressure switch 8. Hose Mounting clips, Wiring Diagram An evaporator is not included in the Trauma package - Evaporator: ProAir Airtech II from David at Comfort Air Inc. - $408.83 + ~$20 shipping ## Evaporator > **[Home - Comfort Air GR LLC RV HVAC Parts](https://comfortairgr.com)** > > Welcome to Comfort Air Vehicle HVAC Parts Comfort Air GR LLC is the premier online destination to buy air conditioning parts and heating units for specialty vehicles. We offer HVAC parts for RV’s, motorhomes, automobiles, limousines, heavy equipment,... ![image](https://diyrvforum.com/uploads/default/original/2X/1/1cc4e667c1a6933f91c4373b763cbe6de1b3f174.jpeg) ### Description - BTU: Cooling 30,000 - BTU: Heating 28,000 - CFM: 295 - 9.5 Amps @ 12 Volts - Size: 12.18x15x9.25 - Weight: 10.5lbs [Exploded View](https://comfortairgr.com/wp-content/uploads/2019/03/66-000-257.pdf) (PDF) **Replacement Parts** Expansion Valve – 68 000 044 Coil – 68 000 065, 03 000 055 Blower – 68 000 005 Resistor – 01 000 091 ProAir Airtech II exploded view ![66-000-257](https://diyrvforum.com/uploads/default/original/2X/3/3a4a34a69601d80b7c1759c116368f10b7fc17e8.png) * * * ## Trauma Heaters ProAir 109 Condenser & Compressor [https://trumaheaters.com/products/12v-air-conditioner-for-class-b-van-trailer-or-camper-proair](https://trumaheaters.com/products/12v-air-conditioner-for-class-b-van-trailer-or-camper-proair) This includes: - 109 condenser [https://www.proairllc.com/109-condenser-ang/](https://www.proairllc.com/109-condenser-ang/) - Benling MD18 compressor [https://benling.coowor.com/shop/product-detail/20170802103009087VFAMP1.htm](https://benling.coowor.com/shop/product-detail/20170802103009087VFAMP1.htm) Exclusive! This is the same unit that is presently installed in Roadtrek e-Trek and Adventurous vans. This same option on the Roadtrek vans is a $4420 upgrade option. Due to the large capacity of the evaporator and condenser used, Roadtrek claims an output of 18,000-30,000BTU at 60-100Amps @ 12VDC offering a total COP of over 2.0 This is a complete kit, outside of an evaporator. This kit does not include one. There are many choices available in the aftermarket, or you may make use of your existing factory unit. ## You will receive: 1. ProAir 109 Under-mount or roof mount condenser, large surface area with fans. Size: 10"x30"x13" 30LB 2. ProAir 12V Compressor with rubber isolation mounts Size 8.27 x 5.98 x 5.31" 12.1LB 3. ProAir Digital Thermostat with temperature sensor 4. ProAir Controller board for condenser, compressor, evaporator, and thermostat 5. Appropriate wiring harness for all components 6. Cut to length A/C lines and hoses with PEX style crimp fittings (Easy DIY) 7. Dryer, low pressure, and high-pressure switch 8. Hose Mounting clips, Wiring Diagram ## What will I need? Appropriately sized evaporator. The higher the BTU output of the evaporator and the more layers the better, and the better your overall system will perform. This is the key of Roadtrek being able to achieve 30,000BTU/hr cooling capacity while using a constant duty inverter-driven compressor that is rated at 7500BTU/HR constant. HVAC installer. Once your system is installed by yourself or an installer it will need to be purged, vacuumed, and filled to capacity with [R-134 refrigerant](https://en.wikipedia.org/wiki/1%2C1%2C1%2C2-Tetrafluoroethane). Full 1 Year Parts replacement warranty against manufacturers defects. Warranty fully provided by [TrumaHeaters.com](http://TrumaHeaters.com) | Speed | Voltage | Amperage Low Head Pressure | Amperage High Head Pressure | Speed RPM | BTU/Hr | Kw/Hr | | --- | --- | --- | --- | --- | --- | --- | | | 12.0V | 20 A | 40 A | 2000 RPM | 3150BTU/hr | 0.92Kw/Hr | | Low Speed | 12.5V | 19.2 A | 38.4 A | 2000 RPM | 3150BTU/hr | 0.92Kw/Hr | | Red Wire | 13.0V | 18.46 A | 36.9 A | 2000 RPM | 3150BTU/hr | 0.92Kw/Hr | | | 13.5V | 17.77 A | 35.5 A | 2000 RPM | 3150BTU/hr | 0.92Kw/Hr | | | 14.0V | 17.14 A | 34.2 A | 2000 RPM | 3150BTU/hr | 0.92Kw/Hr | | | | | | | | | | | | | | | | | | | 12.0V | 30 A | 60 A | 3000 RPM | 4700BTU/hr | .38Kw/Hr | | Medium Speed | 12.5V | 28.8 A | 57.6 A | 3000 RPM | 4700BTU/hr | 1.38Kw/Hr | | Green Wire | 13.0V | 27.7 A | 55.38 A | 3000 RPM | 4700BTU/hr | 1.38Kw/Hr | | | 13.5V | 26.6 A | 53.33 A | 3000 RPM | 4700BTU/hr | 1 .38Kw/Hr | | | 14.0V | 25.7 A | 51.42 A | 3000 RPM | 4700BTU/hr | 1.38Kw/Hr | | | | | | | | | | | | | | | | | | | 12.0V | 48 A | 96 A | 4500 RPM | 7500BTU/hr | 2.15Kw/Hr | | High Speed | 12.5V | | 46.08 A | 92.16 A | 4500 RPM | 7500BTU/hr | | Orange Wire | 13.0V | 44.30 A | 88.61 A | 4500 RPM | 7500BTU/hr | 2.15Kw/Hr | | | 13.5V | 42.66 A | 85.33 A | 4500 RPM | 7500BTU/hr | 2.15Kw/Hr | | | 14.0V | | 41.14 A | 82.28 A | 4500 RPM | 7500BTU/hr | ### Benling MD18 compressor ![image](https://diyrvforum.com/uploads/default/original/2X/e/e23fa2e70cf639c0b12b8a532e245797efd96cdf.jpeg) ![image](https://diyrvforum.com/uploads/default/original/2X/9/9cce6c794dfb5573ac60f0540a40e02a092e5988.jpeg) [![](https://diyrvforum.com/uploads/default/original/2X/9/91dced9bc988d9a83fdd9429b7bf3f3caaba1c2b.jpeg "The BEST 12V Air Conditioner For Van Life? INSTALL & TEST") ](https://www.youtube.com/watch?v=WwEltHWbtKE)