R-9777-8P Red Dot Rooftop Air Conditioner with Heat – 12V, R-134a (White)

The Red Dot R-9777-8P Rooftop A/C with Heat combines modern styling with heavy-duty performance for vehicles that require dependable, all-season climate control. Finished in white and built with engineered resin technology, this unit offers excellent durability against vibration and harsh operating conditions while maintaining a sleek, low-profile rooftop appearance.

With 25,000 BTU/hr of cooling and 45,000 BTU/hr of heating, the R-9777-8P provides rapid pull-down and strong heat output. Robust airflow (355 CFM) ensures even distribution throughout the cab. The system uses a three-speed evaporator motor and a low-profile condenser motor, delivering efficient performance on 12V electrical systems. (24V motor options are available on the platform.)

Designed for rooftop installation, the R-9777-8P is ideal for heavy-duty trucks and specialty vehicles where reliability, performance, and aesthetics all matter.

Product Specifications

• Manufacturer: Red Dot

• Model Series: R-9777

• Model Number: R-9777-8P

• System Type: Rooftop A/C with Heat

• Color: White

• Refrigerant Type: R-134a

• Voltage: 12 VDC

Cooling Performance

• Cooling Capacity: 25,000 BTU/hr

  • @ 36°F refrigerant temperature

  • 80°F (26.7°C) wet bulb entering air

  • 7.3 kW @ 2.2°C

Heating Performance

• Heating Capacity: 45,000 BTU/hr

  • @ 100°F air temperature rise

  • 13.2 kW @ 37.8°C

Air & Electrical

• Air Flow: 355 CFM (580 m³/h)

• Evaporator Motor: One 12 VDC, three-speed

• Condenser Motor: One 12 VDC low-profile

• Current Draw:

  • 38.2 amps @ 13.6 VDC (includes 4 amps for A/C clutch)

Physical

• Weight: 65 lbs (29.5 kg) (catalog)

• Installed Weight Reference: 74.0 lbs (as listed)

Installation Note:
Additional components may be required to complete an A/C system installation.

Cross Reference Numbers

• Texas Truck A/C: 950-1240-3-12

• AirSource – MEI: 28399

• CoolStar – MEI: 990-9777

• Primatech: PTAC10-9777

• Red Dot Aftermarket: R-9777-0

• Red Dot Factory: R-9777-8P

• Truck Air – MEI: 50-9777

• TruckAC+: T5514

• TTA/C: 90-9777-0