Durable fractional horsepower motors are available in sizes ranging from 1/20th to five horsepower and include split-phase, permanent split capacitor, capacitor start, and polyphase models. We offer fractional horsepower motors for a wide range of residential and commercial applications:

Heating and Cooling Equipment

Universal Electric Blowers:  A. O. Smith offers a complete line of crossflow/tangential, centrifugal, and induced draft combustion blowers that range from 20 cubic fee per minute (CFM) airflow to over 1200 CFM.  In addition, A. O. Smith offers shaded pole, permanent split capacitor and split phase induction motors that are used in residential and commercial furnace blowers.  Our 5 and 1/2 inch diameter motors are designed for direct-drive and belt-driven applications and come in a wide variety of mounting configurations.  A. O. Smith has
the design expertise for your application.  A. O. Smith capabilities include in-housing
airflow testing, CFD, FEA, and 3D CADtools to design for your application.

Furnace and Air Conditioner Fans:  You can count on A. O. Smith motors for quality, dependability, and innovative features.  42-frame and 48-frame permanent split capacitor motors come in a variety of enclosure and mounting configurations.  They are designed to stand up tot the challenges of weather, humidity, and corrosive chemicals. Designed for energy management, A. O. Smith ECM motors offer a high-efficiency quiet solution to various
applications both residential and commercial.  A. O. Smith motors offer quality, functionality, and economy in an ever-changing industry.

Replacement motors:  A. O. Smith distributes a full line of quality A. O. Smith and Universal Electric replacement motors for HVAC applications.  All replacement motors are designed to meet the original manufacturers'  specifications for size and performance.  Look in the Yellow Pages for heating and cooling contractors and electric motor supply houses that carry these fine products.  For Residential and Commercial ventilation,  A. O. Smith offers a comprehensive line of fractional motors that provide the mechanical power to drive exhaust ventilators, attic exhaust fans, evaporative coolers, circulating fans, and industrial blowers.
Ventilation motors range in size from 1/20th to 3 horsepower.

Pools, Spas, And Jetted Tubs

A. O. Smith serves the pool and spa industry with a comprehensive line of switch and "switchless" electric motors that are designed to stand up to the weather, dirt, and pool chemicals. A. O. Smith's Conservationist motor combines our two-compartment design and a proven switch that provides years of reliable service. The Centurion line of two-pole 56 frame switchless pool motors bring dependability and economy to pool, spa, and jetted tub pumping applications. Our switchless design eliminated the majority of moving parts found in these motors, enhancing reliability. Neptune leisure water motors offer a unique 48 frame two compartment design with a tamper-proof switch and governor. Commander pool and spa motors meet European IEC standards. These quality motors are designed to the same specifications as the motors found in your equipment.
For more information, please refer to Catalog 1081 and 1082 on our "Catalog" page.

Domestic Water Systems Pump Motors

Domestic water systems. 48 frame, two-compartment jet pump motors run quietly and reliably in above-ground jet pumps. The end-mounted switch offers ease of access and added conveience in these applications. Extensive testing helps determine that our jet pump motors can stand up to the constant starting and stopping and intermittent running times.
Sump, sewage and sprinkling pumps. A. O. Smith motors do the work in applications ranging from upright cellar drainers, immersible sump pumps, effluent and sewage pumps.
Specialty pump motors. A. O. Smith and MagneTek offer spark-proof and explosion-proof pump motors for gasoline pumps and related applications.
For more information, please refer to Catalog 1081 and 1082 on our "Catalog" page.

Other Applications 

General purpose fractional horsepower motors. 42 and 48 frame reversible rotation motors designed for residential or commercial garage door and gate openers. Capacitator-start 48-frame and 56-frame rigid base motors for industrial farm applications. 56-frame open drip-proof motors for air compressors. We also make a wide variety of specialty motors, including totally enclosed fan-cooled (TEFC) and explosion-proof models.