Liftmaster 8155W

½ HP AC Belt Drive Wi-Fi Garage Door Opener

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LiftMaster garage door opener with remote, wall control, and smartphone app.

Liftmaster 8155W

The LiftMaster 8155W is a dependable, smart garage door opener from LiftMaster’s Contractor Series, designed to deliver quiet operation, reliable power, and modern connectivity for today’s homes. Powered by a ½ HP AC motor and paired with a belt drive system, the 8155W offers smooth, consistent performance while minimizing noise—making it an excellent choice for homes throughout the Phoenix Metro Area.

With built-in Wi-Fi® and myQ® Technology, homeowners can remotely monitor and control their garage door from anywhere using a smartphone. Advanced security features help protect against unauthorized access, while energy-efficient operation reduces standby power usage. The LiftMaster 8155W combines trusted performance, smart-home integration, and quiet reliability in a cost-effective, long-lasting opener.

Key Features

  • ½ HP AC Motor: The LiftMaster 8155W is powered by a robust ½ horsepower AC motor, providing strong, consistent performance. This motor is well-suited for handling standard residential garage doors.

  • Belt Drive System: The opener features a belt drive system, known for its quiet operation. It’s perfect for homes with bedrooms or living areas adjacent to the garage, as it reduces noise and vibrations during door operation.

  • Built-in Wi-Fi®: The 8155W includes built-in Wi-Fi® for easy integration with myQ® Technology. This allows you to control the garage door remotely via the myQ® app from your smartphone, regardless of your location. It also offers real-time notifications about the status of the door.

  • Security+ 2.0®: This system ensures enhanced security by generating a new code with each use of the remote control, making it difficult for unauthorized individuals to access your garage.

  • PosiLock®: The opener is equipped with PosiLock®, an electronic locking system that ensures the garage door stays securely closed, preventing forced entry.

  • The Protector System®: This system includes infrared sensors that create an invisible light beam across the garage door opening. If the beam is interrupted, the door will reverse automatically to avoid injury or damage.

  • Energy Efficient: The 8155W is designed to use up to 75% less power in standby mode, contributing to energy savings without sacrificing performance.

Smart Home Integration

  • myQ® Technology: The LiftMaster 8155W integrates seamlessly with the myQ® app, allowing you to remotely open, close, and monitor your garage door, as well as set up schedules for automatic door operation.

  • Amazon Key Compatibility: The 8155W works with Amazon Key, enabling secure, in-garage deliveries for Amazon Prime members. You can also track deliveries directly through your myQ® app.

  • Voice Control: The 8155W can be integrated with smart home systems like Google Assistant and Amazon Alexa, offering hands-free voice control of your garage door.

Specifications

  • Drive Type: Belt Drive (for smooth, quiet operation)

  • Motor Type: AC

  • Horsepower: ½ HP

  • Lighting: Compatible with up to 100-watt light bulbs (adjustable light timer)

  • Voltage: 115V, 60Hz

Warranty

  • Motor Warranty: Lifetime

  • Parts Warranty: 1 year

The LiftMaster 8155W is an excellent choice for homeowners looking for a high-quality, quiet garage door opener with reliable performance and smart features. It combines secure operation with modern convenience, making it an ideal solution for today's connected homes.

Benefits of installing LiftMaster 8155W garage door opener

  • The belt drive system significantly reduces noise and vibration during operation. This makes the LiftMaster 8155W ideal for homes with bedrooms, offices, or living areas located near or above the garage.

  • A ½ HP AC motor provides steady, consistent lifting power for standard residential garage doors. Known for durability and long service life, AC motors are a reliable choice for everyday use.

  • Built-in Wi-Fi® allows seamless integration with the myQ® app, enabling homeowners to open, close, and monitor their garage door remotely. Receive real-time alerts, check door status, and enjoy added peace of mind wherever you are.

  • Security+ 2.0® rolling code technology changes the access code with every use to help prevent hacking. PosiLock® electronically locks the door when closed, protecting against forced entry.

  • Designed to use up to 75% less power in standby mode, the 8155W helps reduce energy consumption without sacrificing performance or reliability.

  • Compatible with Amazon Key for secure in-garage deliveries and supports voice control through smart home platforms like Amazon Alexa and Google Assistant when paired with myQ® accessories.

INSTALLATION REQUIREMENTS FOR LiftMaster 8155W garage door opener

Garage Door Compatibility

Compatible with most standard residential sectional garage doors. The existing door must be properly balanced and in good mechanical condition to ensure smooth and safe opener operation.

Adequate overhead clearance is required to install the belt-drive rail and motor assembly. Secure ceiling mounting points are necessary to support the opener and maintain quiet performance.

Ceiling Space & Mounting Support

Power & Wi-Fi Connection

A standard electrical outlet is required for operation. A stable Wi-Fi® connection is recommended to enable smart features, remote access, and real-time notifications through the myQ® app.

Safety Sensor & Control Installation

Photo-eye safety sensors, wall controls, remotes, and optional keypads must be properly installed and aligned. Correct setup ensures compliance with safety standards and reliable operation.

Smart System Configuration

Professional Installation & Safety Testing

Professional setup includes configuring myQ® connectivity, access settings, light timer adjustments, and security features to ensure optimal functionality.

Final installation includes force and travel adjustments, safety reversal testing, and system verification to ensure reliable, long-term performance.

LiftMaster 8155W garage door opener IS IDEAL FOR

  • The LiftMaster 8155W is ideal for homes where the garage is attached to living spaces or located near bedrooms and offices. Its quiet belt drive system significantly reduces noise and vibration, helping maintain a peaceful indoor environment during daily garage door operation.

  • Perfect for homeowners who want modern connectivity and remote control of their garage door. Built-in Wi-Fi® and myQ® Technology allow you to monitor door activity, receive real-time alerts, and open or close the garage door from anywhere using your smartphone.

  • An excellent option for those who prioritize safety and security. Advanced features like Security+ 2.0® rolling code technology, PosiLock® electronic door locking, and The Protector System® help prevent unauthorized access and enhance overall garage safety.

  • Ideal for homeowners looking to reduce energy consumption without sacrificing performance. The 8155W uses up to 75% less power in standby mode, making it a smart choice for energy-conscious households.

  • Well-suited for most standard single- and double-car residential garage doors. The ½ HP AC motor delivers reliable, consistent power designed for everyday use and long-term durability.

  • A great choice for households that receive frequent deliveries or use Amazon Key. Secure in-garage delivery capabilities combined with myQ® tracking provide added convenience and peace of mind.

Areas We Serve

Phoenix, Apache Junction, Avondale, Buckeye, Carefree, Cave Creek, Chandler, El Mirage, Fountain Hills, Gila Bend, Gilbert, Glendale, Goodyear, Guadalupe, Litchfield Park, Mesa, Paradise Valley, Peoria, Queen Creek, Scottsdale, Sun City, Sun City West, Surprise, Tempe, Tolleson, Youngtown, Sun Lakes, San Tan Valley, Rio Verde, Citrus Park, Ahwatukee, Encanto, North Gateway, Alhambra, Estrella, North Mountain, Camelback East, Laveen, Rio Vista, Deer Valley, Maryvale, South Mountain, Moon Valley, Desert View Village, Arcadia, Central City, Midtown, Coronado, Roosevelt Row, Willo, Alvarado, Garfield, and Desert Ridge

Trust Phoenician Garage Door & Repair for Professional Installation

  • Our technicians are experienced in installing, repairing, and servicing LiftMaster belt-drive garage door openers like the 8155W, ensuring proper setup and long-term reliability.

  • We offer fast, dependable same-day service whenever possible to restore convenience and security without unnecessary delays.

  • Enjoy free, no-obligation estimates with transparent pricing so you can confidently choose the right opener for your home.

  • Every installation is completed according to LiftMaster specifications and local safety standards, including full system testing and smart feature configuration.