Ambulance RV Conversion: Installing the OutEquipPro 12V Air Conditioner

Ambulance RV Conversion: Installing the OutEquipPro 12V Air Conditioner

Reviewer Profile

Reviewer:Ambulance Conversion DIYer
DIY Skill:Advanced DIY Builder
Model Name:Summit 2
Voltage:12V DC
Heating:With Heating(4,500 BTU)
Vehicle Profile:Custom Ambulance RV Conversion
Power System Setup:portable jump pack
Roof Opening Size:Standard 14x14 inch Vent Cutout
Installation Time:Multi-day Custom Roof Fabrication
Location:USA

Tested Performance

Cooling Performance:Reduced interior temperature to 73°–74°F during a severe 94°F heat advisory (feels like 105°F), delivering a ~25°F cooling drop
Noise Level: Very Quiet - it‘s designed to be effcients and work quietly
Power Consumption: Runs on 12V power and features a soft ramp-up compressor, avoiding massive voltage surges common in 120V units
Control System: Uses a wireless digital remote allowing exact numeric temperature settings down to 63°F
Recommendation: Eliminates vehicle engine idling to maintain comfort; highly efficient 12V performance and whisper-quiet operation make it worth the custom installation effort

Visual Highlights

Cooling Performance: Interior thermometer reading 73°–74°F while outside conditions hit 94°F with a 105°F heat index.(20:50)

Noise Level: Rooftop unit actively blowing cold air on Turbo mode with minimal operational sound.(11:48)

Power Consumption: Direct 12V connection operating off a portable jump pack, demonstrating smooth startup without power spikes.(11:08)

Control System: Handheld remote setting the lowest target climate threshold of 63°F.(19:59)

Recommendation: Finished installation maintaining cool interior temperatures quietly without running the vehicle engine.(22:02)

Detailed Analysis

Unboxing and Initial Assessment of the 12V System

The project begins with unboxing the unit, which takes about a week to arrive. The package contains substantial foam stripping, cabling, and the main rooftop assembly. Designed with an integrated heating function and a digital remote control, this model is built for versatile climate management.

  • Unit weight: Approximately 50 pounds.
  • Remote functions: Temp, timer, fan, light, and sleep modes.
  • Power requirements: Operates efficiently on 12V configuration.

Precision Roof Cutting and Structural Adaptation

Installing the air conditioner on a custom Ambulance conversion presents unique structural challenges due to an exceptionally thick roof measuring over 4 inches. The creator uses a long drill bit to mark the center point before cutting out a precise 14.1 x 14.1 inch aperture.

  • Drilled a pilot hole from the interior ceiling to map exterior spacing.
  • Encountered rain interference during the exterior cutting phase.
  • Fabricated custom aluminum square stock and a plastic sheet barrier to extend the roof line and seal the condenser zone.

Overcoming Custom Trim and Sealing Hurdles

Because standard factory trim rings do not fit an extra-thick vehicle roof, the builder crafts a custom wooden and aluminum interior trim board. Extra foam insulation is packed tightly around the core to prevent cool air leakage and isolate the exterior condenser drainage.

  • Custom-cut wood spacers built down to a 1-inch and 3-inch channel support.
  • Heavy-duty construction adhesive and screws applied for permanent fixture.
  • Continuous weather monitoring during rainfall to verify absolute waterproof integrity.

Extreme Environment Performance Testing

Tested during a severe weather advisory with an outside temperature soaring at a scorching 94°F (feeling like 105°F), the unit proves its cooling capacity immediately. Running on a jump pack and 12V source, it rapidly cools the interior space.

  • Internal thermometer reading stabilizes at a comfortable 73°-74°F.
  • Achieves an impressive 20°-25°F temperature drop in extreme heat.
  • Operates on a smooth ramp-up curve, eliminating massive power surges typical of traditional 120V units.

Efficiency and Long-Term Integration Advantages

Compared to bulky household AC units requiring noisy generators or shore power, this 12V system integrates seamlessly into mobile living spaces. It functions quietly on turbo mode and provides reliable heating capabilities for colder seasons, maximizing overall battery efficiency.

Back to blog