Tornado · Wall-mount fan · Large airflow

Tornado 20-Inch Industrial Wall Fan

Tornado 20-Inch Industrial Wall Fan
  • Tornado 20-Inch Industrial Wall Fan, view 2
  • Tornado 20-Inch Industrial Wall Fan, view 3
  • Tornado 20-Inch Industrial Wall Fan, view 4
  • Tornado 20-Inch Industrial Wall Fan, view 5
  • Tornado 20-Inch Industrial Wall Fan, view 6
  • 4,750 CFMon high
  • 20-inchhead
  • 3speeds
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Specs cited from Amazon listing ↗Photos: Amazon listing ↗ · refreshed Oct 31, 2026

Tornado 20-Inch Industrial Wall Fan is a wall-mounted fan matched by the manufacturer as Tornado HI-FAN-20HVWM-A-1P; the listing states 20-inch, up to 4,750 CFM, 3 speeds.

What works

  • 4,750 CFM on high from a 20-inch head
  • 3 speeds, down to 3,800 CFM on low

What doesn't

  • It needs a structural mounting point and is less flexible once installed.

Who it's for

Good fit

  • fixed airflow where keeping the floor clear matters

Look elsewhere if

  • Locations that cannot meet the mounting and clearance needs

A good fit for your job? Check the current price and delivery.

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The manufacturer match identifies Tornado HI-FAN-20HVWM-A-1P and supports this listing variant. It fits fixed airflow where keeping the floor clear matters. It needs a structural mounting point and is less flexible once installed. See the manufacturer product page for current installation details.

Before you buy

Installation and buying checks

Use these questions to verify the exact configuration. Linked facts are cited; unlisted details stay questions.

  1. Mounting and support

    Does the planned location suit the listed wall mounting, with the required support, clearance, and service access?

  2. Clearance and handling

    Do the listed physical details leave enough clearance for installation, adjustment, and service?

  3. Electrical match

    What voltage and connection requirements does the exact unit specify?

  4. Airflow at the job

    Is the listed airflow rated at an operating point that matches the job after placement, obstructions, and system resistance are considered?

  5. Location requirements

    Does the site require an environmental rating or guard? Neither is listed here.

Put 4,750 CFM in context

The Tornado 20-Inch Industrial Wall Fan has a listed airflow of 4,750 cubic feet per minute. The table compares this rated volume with example room volumes. It does not measure fresh-air exchange, air speed at your body, or room coverage.

RoomSizeNominal room volumes / hourNominal pass interval
One-car garage22 × 12 × 9 ft · 2,376 ft³120×30 s
Two-car garage22 × 20 × 9 ft · 3,960 ft³72×50 s
Workshop40 × 30 × 12 ft · 14,400 ft³20×3 min
Warehouse bay100 × 50 × 16 ft · 80,000 ft³3.6×17 min

A circulation fan does not by itself replace indoor air. Exhaust airflow depends on a makeup-air path and system resistance. Use installed outdoor airflow for ventilation calculations.

Formula: airflow × 60 ÷ room volume. CDC explains the ventilation form of this equation; here the input is a catalog rating, so the result is a volume comparison.

Work it out for your own room →

Listing details

What we know about this listing

Listing data was imported on October 31, 2026. Each specification can have a different source-check date; the evidence below is the most precise source information available here.

Sources for 6 listed specifications

Photos illustrate the listed model. Confirm the current variant, included hardware, and finish with the seller before purchase.

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