Schaefer · Drum fan · Giant airflow

Schaefer VKM36-B-O Versa-Kool Drum Fan

Schaefer VKM36-B-O Versa-Kool Drum Fan
  • Schaefer VKM36-B-O Versa-Kool Drum Fan, view 2
  • Schaefer VKM36-B-O Versa-Kool Drum Fan, view 3
  • Schaefer VKM36-B-O Versa-Kool Drum Fan, view 4
  • Schaefer VKM36-B-O Versa-Kool Drum Fan, view 5
  • 11,020 CFMon high
  • 36-inchhead
  • 1speed
  • 1/2 HPmotor
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Specs cited from Manufacturer source ↗Photos: Amazon listing ↗ · refreshed Oct 31, 2026

Schaefer VKM36-B-O Versa-Kool Drum Fan is a drum fan; 36-inch format.

What works

  • 11,020 CFM on high from a 36-inch head
  • 1/2 HP motor
  • 2-year warranty
  • 12-ft power cord

What doesn't

  • Single speed only
  • Heavy to move at 85 lb
  • No CFM figure to compare with other fans
  • No dBA figure to judge how loud it runs

Who it's for

Good fit

  • high-volume circulation in open work areas

Look elsewhere if

  • Exhausting hot air or fumes from a building, which needs an exhaust fan

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

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Schaefer VKM36-B-O Versa-Kool Drum Fan suits high-volume circulation in open work areas. Allow clear floor space for the frame and its airflow path.

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 floor 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 11,020 CFM in context

The Schaefer VKM36-B-O Versa-Kool Drum Fan has a listed airflow of 11,020 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 ft³278×13 s
Two-car garage22 × 20 × 9 ft · 3,960 ft³167×22 s
Workshop40 × 30 × 12 ft · 14,400 ft³46×1.3 min
Warehouse bay100 × 50 × 16 ft · 80,000 ft³8.3×7.3 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 9 listed specifications

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

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