PATTERSON · Wall-mount fan · Giant airflow

Patterson H30A Yoke-Mount High-Velocity Fan

Patterson H30A Yoke-Mount High-Velocity Fan
  • Patterson H30A Yoke-Mount High-Velocity Fan, view 2
  • 12,000 CFMon high
  • 30-inchhead
  • 1 HPmotor
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Specs cited from Manufacturer source ↗Photos: Amazon listing ↗ · refreshed Oct 31, 2026

The Patterson H30A is a 30-inch, 1 HP yoke-mount high-velocity fan that Patterson rates at 12,000 CFM, the highest manufacturer-documented airflow of any wall or yoke-mount fan in the catalog. It uses Patterson's electrical option A (115V/208-230V), with a 12-foot cord for 115V use.

What works

  • 12,000 CFM on high from a 30-inch head
  • 1 HP motor
  • 12-ft power cord
  • Patterson rates it at 12,000 CFM from a 1 HP motor
  • Electrical option A: 115V or 208-230V

What doesn't

  • No published watts, amps, dBA or weight
  • The 12-foot cord applies to 115V only, and a switch is optional
  • Yoke mounting needs a structural beam, column or wall and proper hardware

Who it's for

Good fit

  • Warehouses, loading docks and manufacturing floors that need long-throw air from overhead
  • Mounting to beams, columns or walls, where a yoke keeps the floor clear
  • Buyers who want the most documented airflow from a single circulation fan

Look elsewhere if

  • Garages and small shops, where 12,000 CFM from one head is more than needed
  • Sites with only three-phase power; the three-phase version is the H30B
  • Buyers who need published watts, amps or noise figures

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

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Why it stands out

The H30A is about throw. Patterson's spec rows list a 30-inch, two-blade Galvalum propeller at a 15-degree pitch, driven by a 1 HP motor and rated at 12,000 CFM. That is the highest manufacturer-documented airflow among the wall and yoke-mount fans in this catalog, well ahead of typical 30-inch shop fans.

It is built to hang where it can reach. The standard yoke mount bolts to a beam, column or wall and aims the head along an aisle or across a dock. Patterson's electrical option A covers 115V or 208-230V supplies, and the 115V setup comes with a 12-foot cord.

What to know before you buy

  • Power: 115V or 208-230V. The 12-foot cord and optional switch apply to 115V. At 208-230V, plan the wiring with an electrician and mount it to solid structure with rated hardware.
  • Mounting: a 1 HP, 30-inch head needs a structural beam, column or wall, not drywall. Keep the guard clear of people and equipment.
  • Noise and power: Patterson publishes no watts, amps or dBA for this size. Expect a 1 HP high-velocity fan to be loud.
  • Job: it is a circulation fan. It does not exchange building air on its own.

How it compares

  • Patterson H30B: the same 30-inch propeller, 1 HP and 12,000 CFM on Patterson's electrical option B: three-phase 208-230V/460V with no cord. Choose it if the building runs three-phase power.
  • Air King 9070: a 30-inch wall fan with Air King's full table: 8,780 / 7,480 / 5,570 CFM, 308 W, 72 dBA on high and a 10-foot cord. It has less air, but everything is documented and it plugs into 120 V.
  • Schaefer 36DF: its listing claims 13,140 CFM from a 36-inch, 1/2 HP single-speed fan with a T-shaped mount. It claims more air, but only as a listing claim, and it needs 115/230 volts wired without a cord.

Bottom line

For the most documented airflow from one mounted fan, the H30A is the pick. Mount it to real structure, match the electrical option to your supply, and it will move a lot of air a long way.

Verdict

Buy the H30A if you need maximum documented airflow from one mounted fan in a large industrial space with a 115V or 208-230V supply. Skip it for smaller shops, or if you want noise and power figures; the Air King 9070 publishes 8,780 CFM, 308 W and 72 dBA.

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Questions people ask

How much air does the Patterson H30A move?
Patterson rates the 30-inch size at 12,000 CFM with a 1 HP motor.
What voltage does the H30A use?
Patterson lists electrical option A as 115V/208-230V. The 12-foot cord is for 115V operation only.
Is there a three-phase version?
Yes. The Patterson H30B is the 208-230V/460V, no-cord version with the same 12,000 CFM rating.
Does it come with a switch?
Patterson lists the switch as optional on the 115V cord.

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

    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 12,000 CFM in context

The Patterson H30A Yoke-Mount High-Velocity Fan has a listed airflow of 12,000 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 ft³303×12 s
Two-car garage22 × 20 × 9 ft · 3,960 ft³182×20 s
Workshop40 × 30 × 12 ft · 14,400 ft³50×1.2 min
Warehouse bay100 × 50 × 16 ft · 80,000 ft³9×6.7 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 4 listed specifications
  • Blade diameter: Patterson High-Velocity Fans · checked Sep 15, 2026 · 30-inch size section, FEATURES propeller row and SPECS CFM/HP rows — “Propeller: 30” Diameter, 2-Blade Galvalum, 15°; CFM: 12,000; HP: 1.”
  • Blade diameter: Patterson High-Velocity Fans product JSON · checked Sep 15, 2026 · product.variants[] record with sku `H30A` — “SKU H30A: 30" / A: 115V/208-230V (12' Cord) / Yoke (Standard).”
  • Airflow (high): Patterson High-Velocity Fans · checked Sep 15, 2026 · 30-inch size section, FEATURES propeller row and SPECS CFM/HP rows — “Propeller: 30” Diameter, 2-Blade Galvalum, 15°; CFM: 12,000; HP: 1.”
  • Airflow (high): Patterson High-Velocity Fans product JSON · checked Sep 15, 2026 · product.variants[] record with sku `H30A` — “SKU H30A: 30" / A: 115V/208-230V (12' Cord) / Yoke (Standard).”
  • Motor: Patterson High-Velocity Fans · checked Sep 15, 2026 · 30-inch size section, FEATURES propeller row and SPECS CFM/HP rows — “Propeller: 30” Diameter, 2-Blade Galvalum, 15°; CFM: 12,000; HP: 1.”
  • Motor: Patterson High-Velocity Fans product JSON · checked Sep 15, 2026 · product.variants[] record with sku `H30A` — “SKU H30A: 30" / A: 115V/208-230V (12' Cord) / Yoke (Standard).”
  • Cord length: Patterson High-Velocity Fans · checked Sep 15, 2026 · 30-inch size section, FEATURES power-cord row — “Power Cord (115V Only): 12’ Length (Switch Optional).”
  • Cord length: Patterson High-Velocity Fans product JSON · checked Sep 15, 2026 · product.variants[] record with sku `H30A` — “SKU H30A: 30" / A: 115V/208-230V (12' Cord) / Yoke (Standard).”

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

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