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New — EC Blowers
Variable-Speed Blowers.
No VFD Required.
Four product families with integrated EC motors — delivering precise speed control, energy savings up to 70%, and native Modbus RTU connectivity out of the box.
JET EC STORM EC PLASTEC EC ROOF EC
11SKUs
Across 4 families
3,400cfm
Max airflow
208–277V
Universal single phase
JET EC
Inline · Duct Mount
Sizes 20 · 25 · 30
Up to 2,700 cfm
Up to 2,700 cfm
STORM EC
High Static
Size 12
Up to 4.86 in. Wg
Up to 4.86 in. Wg
PLASTEC EC
Centrifugal · Inline
Sizes 15 · 20 · 25 · 30
Up to 3,400 cfm
Up to 3,400 cfm
ROOF EC
Rooftop Exhauster
Sizes 15 · 20 · 25 · 30
Up to 3,400 cfm
Up to 3,400 cfm
Why EC motors
Up to 70% energy savings
vs. AC motor at part-load
Stepless speed control
0–10V analog or Modbus RTU
BAS / BMS ready
Native Modbus RTU (RS-485)
AMCA certified
Sound & Air — Pub. 211/311
Product Catalog
All EC Blower Models.
Select a family to view model numbers, airflow, static pressure, motor specs, and downloadable submittals.
The JET EC Series is an inline centrifugal blower for duct mounting. Ideal for lab fume exhaust, general ventilation, and corrosive environments. Integrated EC motor — no external VFD needed.
Temp range: −39°F to 140°F inlet. Accessories: weather stack, speed nozzle, wall bracket, roof curb. Noise: 70–83 dB(A).
JET EC Series
| Model | Size | Max Flow (cfm) | Max SP (in. Wg) | Power (hp) | Voltage | FLA | RPM | Weight (lbs) | dB(A) | Submittal |
|---|---|---|---|---|---|---|---|---|---|---|
| J20ES4P033 | JET 20 | 630 | 1.00 | 0.33 | 208–277V 1Ø | 9 | 1800 | 31.5 | 70.3 | ↓ PDF View Product → |
| J25ES4P075 | JET 25 | 1,370 | 2.14 | 0.75 | 208–277V 1Ø | 11 | 1800 | 40.9 | 76.0 | ↓ PDF View Product → |
| J30ES4P150 | JET 30 | 2,700 | 3.00 | 1.50 | 208–277V 1Ø | 11 | 1800 | 60.1 | 83.0 | ↓ PDF View Product → |
All JET EC: variable speed 450–1800 RPM · Single phase · Min flow 119–384 cfm
↓ JET EC Series IOMThe STORM EC Series is a compact high-static centrifugal blower for scrubbers, fume hoods, and demanding pressure applications. Highest static pressure in the EC lineup.
Reaches 4.86 in. Wg — the highest in the EC range. Min flow 28 cfm. Operating range −39°F to 140°F. Compatible with motor support stand accessory.
STORM EC Series
| Model | Size | Max Flow (cfm) | Max SP (in. Wg) | Power (hp) | Voltage | FLA | RPM | Weight (lbs) | dB(A) | Submittal |
|---|---|---|---|---|---|---|---|---|---|---|
| S12ES4P033 | STORM 12 | 200 | 4.86 | 0.33 | 208–277V 1Ø | 9 | 1800 | 20.8 | 69.9 | ↓ PDF View Product → |
STORM 12 EC: variable speed 450–1800 RPM · Min flow 28 cfm · Min SP 0.07 in. Wg
↓ STORM EC Series IOMThe PLASTEC EC Series is Plastec's flagship inline centrifugal blower — now with integrated EC motor. Widest flow range in the EC lineup (310–3,400 cfm). CW/CCW field-convertible.
Lab fume exhaust, water treatment, chemical plants, pharma. Temp range −39°F to 140°F. Noise 54–78 dB(A). Accessories: motor support stand, weather hood, vibration isolators, speed nozzle.
PLASTEC EC Series
| Model | Size | Max Flow (cfm) | Max SP (in. Wg) | Power (hp) | Voltage | FLA | RPM | Weight (lbs) | dB(A) | Submittal |
|---|---|---|---|---|---|---|---|---|---|---|
| P15ES4P033 | PLASTEC 15 | 310 | 0.63 | 0.33 | 208–277V 1Ø | 9 | 1800 | 22.3 | 54.0 | ↓ PDF View Product → |
| P20ES4P033 | PLASTEC 20 | 910 | 1.44 | 0.33 | 208–277V 1Ø | 9 | 1800 | 24.0 | 65.0 | ↓ PDF View Product → |
| P25ES4P075 | PLASTEC 25 | 1,700 | 2.00 | 0.75 | 208–277V 1Ø | 11 | 1800 | 35.8 | 73.0 | ↓ PDF View Product → |
| P30ES4P150 | PLASTEC 30 | 3,400 | 3.10 | 1.50 | 208–277V 1Ø | 11 | 1800 | 54.3 | 78.0 | ↓ PDF View Product → |
All PLASTEC EC: variable speed 450–1800 RPM · Temp −39°F to 140°F inlet
↓ PLASTEC EC Series IOMThe ROOF EC Series is the rooftop exhauster variant of the PLASTEC EC. Identical blower core and EC motor, with pre-engineered roof curb and weatherproof housing for direct rooftop installation.
Same airflow and static as PLASTEC EC. Higher total weight due to roof curb assembly. Vibration isolators and weather hood available as accessories.
ROOF EC Series
| Model | Size | Max Flow (cfm) | Max SP (in. Wg) | Power (hp) | Voltage | FLA | RPM | Weight (lbs) | dB(A) | Submittal |
|---|---|---|---|---|---|---|---|---|---|---|
| R15ES4P033 | ROOF 15 | 310 | 0.63 | 0.33 | 208–277V 1Ø | 9 | 1800 | 42.1 | 54.0 | ↓ PDF View Product → |
| R20ES4P033 | ROOF 20 | 910 | 1.44 | 0.33 | 208–277V 1Ø | 9 | 1800 | 43.8 | 65.0 | ↓ PDF View Product → |
| R25ES4P075 | ROOF 25 | 1,700 | 2.00 | 0.75 | 208–277V 1Ø | 11 | 1800 | 55.6 | 73.0 | ↓ PDF View Product → |
| R30ES4P150 | ROOF 30 | 3,400 | 3.10 | 1.50 | 208–277V 1Ø | 11 | 1800 | 74.1 | 78.0 | ↓ PDF View Product → |
All ROOF EC: variable speed 450–1800 RPM · Temp −39°F to 140°F inlet
↓ ROOF EC Series IOM
EC Motor Technology
Smarter motor.
Smarter motor.
Less energy. More control.
Electronically commutated (EC) motors combine DC brushless efficiency with AC supply convenience. Speed is modulated by a built-in inverter — no external VFD required, no additional panel space, no extra wiring.
Direct BAS integration over 0–10V or Modbus RTU. Onboard potentiometer for standalone operation.
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Variable speed — built-in inverter450 to 1800 RPM, no external VFD
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0–10V analog control inputDirect DDC / BAS connection
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Modbus RTU — RS-485Full register map: speed, status, fault relay
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Onboard speed potentiometerStandalone operation without BAS
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208–277V single phase, 50/60 HzUniversal input — no dedicated transformer
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−39°F to 140°F operating rangeSuitable for cold climates and hot process air
EC Motor — Common Specs (All Series)
Motor typeElectronically Commutated (EC)
Input voltage208–277V, 1Ø, 50/60 Hz
Speed range450–1800 RPM
Analog control0–10V signal input
Digital controlModbus RTU (RS-485)
Onboard controlSpeed potentiometer
Power range0.33 hp – 1.50 hp
FLA range9 A – 11 A
Max inlet temp140°F (60°C)
Min operating temp−39°F (−39°C)
Air certificationAMCA Pub. 211
Sound certificationAMCA Pub. 311
AMCA Certified Modbus RTU 0–10V Control
Applications
Where EC Blowers excel.
Variable-speed EC motors are especially valuable in applications with variable exhaust loads, energy mandates, or BAS integration requirements.
Lab Fume Hood Exhaust
VAV systems with sash tracking — speed follows real-time demand.
Chemical Processing
Corrosion-resistant PP handles acids, bases, and solvents at variable flow.
Rooftop HVAC Exhaust
ROOF EC integrates with curbs natively. BAS scheduling via Modbus.
Water Treatment
Scrubber and odor control with variable load and H₂S resistance.
Pharmaceutical / Biotech
Precise airflow control and low noise for clean environments.
LEED / Energy Code Projects
Supports ASHRAE 90.1 part-load efficiency compliance documentation.
BAS / BMS Integration
Modbus register map on request — speed command, status, fault relay.
Natatoriums / Aquatics
Chloramine-resistant PP with variable exhaust matching pool load.
Documentation
Technical Resources.
Get Started
Ready to spec an EC Blower?
Share your project requirements and a Plastec engineer will respond within one business day with model recommendations, performance data, and pricing.
- Submittals for all EC models
- Performance curves at any speed point
- Modbus register map on request
- In-stock units ship in 2–3 business days
Request EC Blower Info
A Plastec engineer will follow up within 1 business day.
Need the standard AC lineup?
PLASTEC, STORM, JET, R and V Series AC fans remain available — with free US shipping and in-stock units ready in 2 business days.
Browse All FansLooking for manifolded systems?
The PLASTEC CUBE combines multiple blowers on a shared manifold for large-volume rooftop exhaust with N+1 redundancy.
Learn about the CUBE