B-Air · Floor fan · Large airflow

B-Air Firtana 20X High Velocity Floor Fan

B-Air Firtana 20X High Velocity Floor Fan
  • B-Air Firtana 20X High Velocity Floor Fan, view 2
  • B-Air Firtana 20X High Velocity Floor Fan, view 3
  • B-Air Firtana 20X High Velocity Floor Fan, view 4
  • B-Air Firtana 20X High Velocity Floor Fan, view 5
  • B-Air Firtana 20X High Velocity Floor Fan, view 6
  • 4,650 CFMon high
  • 20-inchhead
  • 3speeds
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Specs cited from Amazon listing ↗Photos: Amazon listing ↗ · refreshed Oct 31, 2026

B-Air Firtana 20X High Velocity Floor Fan is listed without a verified airflow figure.

What works

  • 4,650 CFM on high from a 20-inch head
  • 3 speed settings
  • 1-year warranty
  • Light to carry at 11 lb

What doesn't

  • Airflow (CFM) is not published
  • Noise level is not published

Who it's for

Good fit

  • Floor-level circulation where the listed fan size suits the space

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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B-Air Firtana 20X High Velocity Floor Fan is the BA-FT-20X configuration identified by the exact listing.

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

    What mounting method and hardware does the exact unit require?

  2. Clearance and handling

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

  3. Electrical match

    Does the documented electrical information match the planned supply? Confirm the installed unit’s nameplate and installation instructions before connecting it.

  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 4,650 CFM in context

The B-Air Firtana 20X High Velocity Floor Fan has a listed airflow of 4,650 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 ft³117×31 s
Two-car garage22 × 20 × 9 ft · 3,960 ft³70×51 s
Workshop40 × 30 × 12 ft · 14,400 ft³19×3.1 min
Warehouse bay100 × 50 × 16 ft · 80,000 ft³3.5×17 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 →

Operating estimate

What could it cost to run?

This uses the listed 157 W power draw. The example below assumes 8 hours a day, 250 days a year, at $0.16 per kWh. Change the assumptions for your utility rate and schedule.

$50estimated electricity cost per year

This is an energy estimate, not a bill. Draw can vary by speed, supply voltage, controls, and the fan's actual load.

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 8 listed specifications

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

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