Unit Heaters | McMaster-Carr

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1,000 ft³/min to 1,999 ft³/min

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166 Products

About Choosing a Heater

Ceiling- and Wall-Mount
Large-Space Electric Heaters

Warm large spaces such as shops, garages, and warehouses.

Washdown Ceiling- and Wall-Mount
Large-Space Electric Heaters

The wiring compartment is sealed to NEMA 4 standards for protection from dust, washdowns, and corrosion.

Hazardous Location Wall-Mount
Large-Space Electric Heaters

Use where flammable gases, vapors, and dust are present—these heaters meet NEC Class I, Divisions 1 and 2, Groups C and D; and Class II, Divisions 1 and 2, Groups E, F, and G.

Horizontal Flow Large-Space
Steam and Water Heaters

Evenly warm a large space with steam and water from your existing boilers.

Vertical Flow Large-Space
Steam and Water Heaters

Focus warm air in a specific spot.

Horizontal Flow Large-Space Steam Heaters

Use steam from your existing boilers to evenly warm a large space.

Horizontal Flow Hazardous Location
Large-Space Steam and Water Heaters

Evenly warm a large space with steam and water from your existing boilers.

Horizontal Flow Hazardous Location
Large-Space Steam Heaters

Use steam from your existing boilers to evenly warm a large space.

Vertical Flow Hazardous Location
Large-Space Steam and Water Heaters

Focus warm air in a specific spot.

Ceiling-Mount Large-Space Gas Heaters

Heat shops, garages, warehouses, and other large spaces with these heaters that can be suspended from the ceiling.

Wall-Mount Small-Space Electric Heaters

Save floor space when heating offices, workstations, and other small spaces.

Surface-Mount Baseboard
Small-Space Electric Heaters

Often installed below windows, the low profile design keeps these heaters out of the way.

Recess-Mount Baseboard
Small-Space Electric Heaters

Also known as toe kick or kick space heaters, these heaters are designed to recess mount under counters and cabinets.

Hazardous Location Wall-Mount
Small-Space Electric Heaters

Use where flammable gases and vapors are present—these heaters meet NEC Class I, Divisions 1 and 2, Groups C and D.

Direct Heaters

Direct Long-Range Ceiling-Mount Gas Heaters

Our most powerful ceiling mount direct heaters, these warm people in large spaces, such as warehouses.

Direct Long-Range Wall-Mount Gas Heaters

Use these powerful heaters to warm people in large spaces, such as warehouses.

Direct Long-Range Ceiling-Mount Electric Heaters

Suspend these heaters from the ceiling to warm people in large, drafty spaces, such as shops and garages.

Direct Short-Range Ceiling- and
Wall-Mount Electric Heaters

Install near loading docks and other drafty areas to warm people and objects.

Combination Air Conditioners/Heaters

Be comfortable year-round with units that cool and heat your space.