Our Products
AC Motor
Single-phase and three-phase AC motors for fan coil units, cassette units, heat pumps and household air conditioners.
EC Motor
BLDC motors with built-in drive: 3-speed switch, 0-10V control, remote control and resin-packed options. Drop-in replacement for PSC motors.
Centrifugal Fan
Centrifugal fans with AC or EC motor, for air curtains, ducted units, air purifiers and fresh air systems.
Who We Are
Changzhou Acetech Electric Co., Ltd. is a professional manufacturer of small and medium-sized motors, located in Changzhou, Jiangsu Province, China.
We bring together a team of experienced professionals in motor design and manufacturing, and operate advanced manufacturing and testing equipment sourced both at home and abroad. Our annual production capacity exceeds one million units, and a well-established quality assurance system keeps product quality consistently at a high level.
We also customize motors to meet specific customer requirements — just send us your specifications.
Where Our Motors Run
Air-side HVAC equipment, from fan coil units to heat pumps. Each range is matched to the way the unit runs - duty cycle, static pressure and the space inside the casing.
Fan Coil Units
AC motors from 8 W to 120 W and EC drop-in replacements for 700 to 1,300 RPM platforms, with 3-speed or 0-10 V control.
See motors →CassetteCassette Type Units
40 W, 80 W and 120 W EC motors with the drive built in, over 70% efficiency and a 50,000-hour controller MTBF.
See motors →High static pressureDucted HSP Units
80 W to 750 W AC motors running up to 1,400 RPM, for high static pressure units with long air paths.
See motors →Centrifugal fanFans & Air Curtains
EC motor and blower wheel supplied as one balanced assembly, with variable speed through the built-in drive.
See motors →Heat pumpWater Source Heat Pumps
IP54 protection, Class B or F insulation and anti-rust bearings for the damp side of a water circuit.
See motors →Room air conditionerHousehold Air Conditioners
25 W to 60 W indoor fan motors with CW and CCW rotation options, low running noise and thermal protection.
See motors →Unit type not listed? We build to drawings and samples.
Send your drawing →Latest News
Company updates, exhibition schedules and new product releases

Replacing an AC Fan Coil Motor with an EC Motor Without Rewiring the Unit
Replacing an AC fan coil motor with an EC motor is usually treated as a rewiring project, which is why so many...
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PSC vs EC Motor for Fan Coil Units: Efficiency, Control and Payback
A PSC motor and an EC motor both turn the blower in a fan coil unit. The difference is efficiency, and it...
Read more →
How to Choose a Fan Coil Unit Motor: 8 Checks Before You Order
Power, speed, drive type, IP rating, shaft and mounting - the eight checks that decide whether a fan coil unit motor fits,...
Read more →Need a motor matched to your unit?
Send us your drawing, airflow and speed target - our engineers will propose the right AC, EC or BLDC motor and quote it.
Send your drawing →