unit heater

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July 14, 2026

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A unit heater is a device designed to circulate and warm the air within an enclosed space, such as a room. It essentially combines a fan or blower with an indirect radiator, all housed within a single casing. This type of heater is often used in industrial settings for efficient heat transfer through forced convection.12

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construction
Environmental control
…commonly used element is the unit heater, in which an electric fan blows air through a coil heated by hot water, steam, electric resistance, or gas combustion and provides a directed supply of warm air where needed. Another system involves radiant heating using electric resistance coils backed by reflectors or…
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…commonly used element is the unit heater, in which an electric fan blows air through a coil heated by hot water, steam, electric resistance, or gas combustion and provides a directed supply of warm air where needed. Another system involves radiant heating using electric resistance coils backed by reflectors or…
Read More

heating
Types of emitters
…form of emitter called a unit heater, which consists of (1) an arrangement of finned tubes through which hot water or steam circulates and (2) an electric fan that forces air over the tubes. The forced convection results in a rapid rate of heat transfer. Unit heaters can be mounted…
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…form of emitter called a unit heater, which consists of (1) an arrangement of finned tubes through which hot water or steam circulates and (2) an electric fan that forces air over the tubes. The forced convection results in a rapid rate of heat transfer. Unit heaters can be mounted…
Read More