Description
The Carrier HD44MQ134 is a Factory Authorized Parts ECM (Electronically Commutated Motor) blower motor engineered for reliable, energy-efficient airflow in residential HVAC systems. With variable-speed operation and a robust ball-bearing design, this motor delivers consistent performance and quieter operation compared to standard PSC motors — making it an ideal direct replacement for compatible Carrier systems.
Motor Specifications
- Motor Type: ECM (Electronically Commutated Motor)
- Horsepower: 1/2 HP
- Speed: 1,050 RPM (Variable)
- Voltage: 115–120 VAC
- Phase: Single
- Rotation: Counter Clockwise (CCW)
- NEMA Frame: 48
Construction & Mounting
- Bearing Type: Ball
- Mounting Type: Arm and Grommet
- Shaft Diameter: 1/2″
- Shaft Length: 3.92″
Dimensions & Weight
- Length: 11 inches
- Width: 11 inches
- Height: 11 inches
- Weight: 13.15 lbs







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