unit heater


Also found in: Acronyms.

unit heater

[′yü·nət ′hēd·ər]
(mechanical engineering)
A heater consisting of a fan for circulating air over a heat-exchange surface, all enclosed in a common casing.

unit heater

A direct-heating, factory-made, encased assembly including a heating element, fan and motor, and directional outlet.
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References in periodicals archive ?
An oversize unit heater cycles too often and wastes energy.
The hot water serves unit heaters, VAV box reheating coils, and air handling unit heating coils while electric unit heaters and baseboards are used to provide heating to stairwells and restrooms.
However, many use unit heaters for space heating, as do many industrial buildings.
* Wall-mounted cabinet unit heaters can be effective.
It consists of a 80 ton WWHP unit to provide hot water to: i) 14 hydronic unit heaters in the existing ware house and truck bay, ii) radiant floor system in the truck bay addition, and iii) fan coils in a 5, 000 cfm heat recovery ventilator (HRV).
A section on terminal systems includes radiation, fan coil units, induction units, unit ventilators (UV), unit heaters, radiant systems, and VAV box controls.
* Heating is by gas fired infared heating units with the addition of unit heaters over the garage doors to assist in maintaining warm winter working conditions.
ULTRASONIC CLEANING EQUIPMENT BG150 ULTRASONIC TESTING EQUIPMENT (see TESTING EQUIPMENT, NON-DESTRUCTIVE) BG150 UNIT HEATERS, SPACE (see HEATERS, SPACE) BG150 UREA FORMALDEHYDE RESINS BG150 URETHANES (see POLYURETHANE PRODUCTS BG150
These gas-fired unit heaters are power vented in order to eliminate heat losses up the flue pipe.
Lighting, general receptacles, (2) roof top gas packs, warehouse gas unit heaters; $5,000.
The DOE study referenced above compares the performance of HTHV direct-fired unit heaters and indirect-fired unit heaters.
Full line of unit heaters, duct furnaces, make-up air units, air turnover units, and other heating products.

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