Best Attic Exhaust Fan Motors and Replacement Options
Anyone upgrading an attic ventilation system wants reliable motors that fit common Lomanco, Air Vent, and similar units. This guide reviews five strong options, focusing on compatibility, performance, and ease of installation. Each product is evaluated for typical attic environments, noise levels, and longevity to help homeowners choose a durable replacement motor or complete kit.
Summary Table
| Product | Brand | Voltage / HP | RPM | CFM (where listed) | Notes |
|---|---|---|---|---|---|
| F0510B2944 Attic Ventilation Fan Motor (Behonor) | Behonor | 120V / 1/10 HP | 1100 | — | Universal kit included; multiple compatible Lomanco/series |
| F0510B2944 Attic Ventilation Fan Motor For Lomanco 2000/1800 | SGFGJUS | 120V / 1/10 HP | 1100 | — | Multiple compatible models; robust build |
| iLiving ILG8G14-12T Automatic Gable Mount Attic Ventilator | iLiving | 120V / 1/8 HP | 1010 | 2339 | Thermostat-controlled, adjustable |
| NUOVEPE F0510B2497 White Attic Fan Replacement Motor Kit | NUOVEPE | 120V / 1/10 HP | 1100 | — | Includes mounting and installation hardware |
| VEVOR 14 Inch Exhaust Fan With Shutter | VEVOR | AC, 120V | 1500 | 2000 | Smart controller, variable speed |
Behonor F0510B2944 Attic Motor — Universal Kit Included
The Behonor F0510B2944 motor is designed for compatibility with Lomanco 2000 and 1800 series units. Key specifications include 120V, 60Hz, 3.4A, 5/8 ft shaft, 1100 RPM, and 1/10 HP. The kit typically includes the motor, bridges, nylon locking nuts, and an instruction manual, making it suitable for homeowners performing a standard replacement. The model prioritizes a balance of reliability and straightforward installation, with a focus on maintaining proper shaft alignment and secure mounting. This option is appropriate for users seeking a widely compatible replacement with mounting hardware in the package.
SGFGJUS F0510B2944 Attic Motor For Lomanco 2000/1800 Series
The SGFGJUS replacement motor is compatible with several Lomanco variants and related models listed in its features. Specifications include 120V operation, 3.4A current, 1100 RPM, and 1/10 HP. Notable details emphasize sturdy copper wiring and cast aluminum rotor construction to reduce noise and vibration while delivering dependable long-term performance. A broader compatibility footprint helps ensure the motor fits a range of exhausted-attic fans beyond Lomanco 2000/1800 series.
iLiving Automatic Gable Mount Attic Ventilator
The iLiving ILG8G14-12T unit combines a gable-mount attic vent with an automatic built-in thermostat. It operates at 120V, 2.85 A, and 2339 CFM, with a listed speed around 1010 RPM. The thermostat helps regulate attic temperatures, offering a practical all-in-one solution for reducing heat buildup and improving year-round attic comfort. This option is suitable for homeowners seeking integrated control and high airflow in a single device.
NUOVEPE F0510B2497 White Attic Fan Replacement Kit
The NUOVEPE kit centers on a complete replacement kit for Lomanco 2000 series fans. Included are one F0510B2944 motor, three mounting wings, three nylon locking nuts, and a manual. Specifications specify 120V, 60 Hz, 3.4 A, 1100 RPM, and 1/10 HP, with clockwise rotation. The kit is designed for straightforward installation and reliable integration with existing fan housings, offering a balanced approach for DIY replacement projects.
VEVOR 14 Inch Exhaust Fan With Shutter — High-Flow Attic Vent
The VEVOR 14-inch unit delivers robust airflow with a maximum of 2000 CFM and a shuttered design for humidity and heat control. It features a smart controller with temperature and humidity triggers and up to 10 speed settings. The 1500 RPM motor with 80W aims to provide strong ventilation while maintaining reasonable noise levels. This option is ideal for larger attics or spaces needing rapid venting and adjustable operation across seasons.
VEVOR 14” Exhaust Fan — Variable Speed Attic Vent
This VEVOR model emphasizes a stepless variable-speed controller, allowing precise airflow adjustments from a gentle breeze to a strong blast. It operates with a 1520 RPM AC motor and 60W, delivering up to 1400 CFM for year-round attic ventilation. The unit is positioned for versatility in spaces where conditions vary seasonally or for garages and workshops adjacent to living areas.
Buying Guide: Key Purchase Considerations
- Compatibility: Check model numbers, series, and shaft dimensions to ensure the motor or kit fits your attic fan housing. Some replacements list multiple compatible models, reducing the need for hardware changes.
- Horsepower and RPM: Most attic fan motors use around 1/10 HP with RPMs in the 1000–1100 range. A higher RPM can increase airflow but may raise noise and wear; balance is important.
- Voltage and Amperage: Verify 120V supply and current draw (commonly around 3.4 A). Mismatched voltage or high current can affect performance and safety.
- Installation Hardware: Kits that include mounting wings, nuts, and manuals simplify DIY replacement. Otherwise, you may need compatible fasteners and brackets.
- Noise and Vibration: Materials like copper windings and cast aluminum rotors can reduce noise. Consider long-term reliability and vibration control for attic environments.
- Controls: Models with built-in thermostats or humidity sensors offer automatic operation, reducing manual adjustments and improving energy efficiency.
- Airflow Capacity: Measured in CFM, higher values indicate stronger venting. Choose based on attic size, insulation quality, and climate.
- Warranty and Support: Look for sellers offering replacement parts, clear installation guides, and customer support for troubleshooting.