Home v3 JSON
The First Pure Sine Wave VFD
Filterless
Motor Control.
Clean Power VFD
Simpler. Smaller. Smarter.
Learn More
Contact us
Your VFD shouldn't be a maintenance problem
Insulation stress, bearing damage, grid harmonics, and a cabinet full of filters to manage it all. The industry accepts it. We solved it.
Reduce bearing failures.
Less motor heat.
Up to 2x motor life.
Protect your motors
Zero external filters.
50% less panel space.
Long cable runs.
Eliminate the filter mess
Pure sine wave.
Low harmonics.
UL certified.
Clean power proven
Built for your motors
Industry
Applications
Water & WastewaterData CentersHVAC & RefrigerationAgricultureManufacturingMining & Metals
Contact us
See all applications
Proven in the Lab
Clean Power VFD
No filters
Conventional VFD
No filters
Conventional VFD
Same motor. Three drives. One clean signal.
Two filters bolted onto a conventional drive still not as clean as the Clean Power VFD with none.
See the Data
Proven in the Field
Long Cable
Retrofitted pump through 1,400 ft of cable with zero filters.
City of Stratford
Municipal water
See case study
Bearing Failure
Chronic bearing failures: 95% less vibration acceleration.
Énergir
Utilities
See case study
Low Harmonics
Lower harmonics, no filters. Extended motor life.
Finkl Steel
Metals & Mining
See case study
Retrofit
Don't rebuild.
Just clean
the power.
Swap your existing drive
Same footprint
Same motor
No new filters
No panel redesign
See how retrofit works
Find out if it fits your motor.
Answer a few questions about your application, or use the VFD selector - and get a qualified answer.
VFD selector
Check my project
Pure Sine Wave. Clean Power for Motors.
2x
Motor Life
<5%
THDi per IEEE 519
0
External Filters
50%
Less Panel Space
1400ft
Long Cable No Filters
Find what clean power
can do for your motor system
Start with an application review
Contact us
Find a distributor
Service and support
Support
Drives
Downloads
Case studies
Your Privacy
Terms and conditions
Contact Us
425 Guy St. Suite 210
Montreal, QC. Canada
H3J 1S9
info@smartd.tech
+1 866 776 2783
Subscribe
Sign up and stay updated with our quarterly newsletter
Sign up
Copyright 2026 SmartD Technologies, Inc. All Rights Reserved
This post is also available in: Français