Apply to be a TradeMaster!
Filter menu expanded

Filters

1,101 items
Reset

SORT

Product Availability

Show In Stock Only (364)

BTU Input

0 - 50,000 (63)
50,000 - 60,000 (30)
60,000 - 70,000 (22)
70,000 - 80,000 (14)
80,000 - 90,000 (17)
90,000 - 100,000 (16)
100,000+ (148)

BTU Output

1,000 - 2,000 (4)
2,000 - 3,000 (1)
3,000 - 4,000 (4)
4,000 - 5,000 (6)
5,000 - 6,000 (4)
6,000 - 7,000 (1)
7,000 - 8,000 (4)
8,000 - 9,000 (2)
9,000 - 10,000 (8)
10,000 - 11,000 (30)

Review Score

(42)
(9)
(2)
(1)
(4)

Price Range

$5 to $10 (7)
$10 to $15 (3)
$15 to $20 (1)
$30 to $35 (1)
$35 to $40 (1)
$40 to $45 (1)
$45 to $50 (1)
$50 to $60 (1)
$60 to $70 (3)
$70 to $80 (3)

Unit Heaters

Help Face
Need a little help?
1101 items
Grid
List
Compare
Product Image of MEL High-Output Medium Wave Electric Heater - 24" High (480V, 1PH, 1 Element)
$546.00 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of MEL High-Output Medium Wave Electric Heater - 24" High (277V, 1PH, 2 Elements)
$882.05 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of MEL High-Output Medium Wave Electric Heater - 24" High (480V, 1PH, 2 Elements)
$882.05 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of MEL High-Output Medium Wave Electric Heater - 24" High (208V, 1PH, 3 Elements)
$1,263.60 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of MEL High-Output Medium Wave Electric Heater - 46" High (575V, 3PH, 3 Element)
$1,864.20 each
In Stock
Get 2 by Tue, Jun 9 - Thu, Jun 11
In Stock
Get 2 by Tue, Jun 9 - Thu, Jun 11
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (208V, 3.0 kW, 1 PH)
$4,046.25 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (208V, 5.0 kW, 3 PH)
$4,225.00 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (240V, 5.0 kW, 3 PH)
$4,225.00 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (240V, 15.0 kW, 3 PH)
$5,768.75 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (480V, 15.0 kW, 3 PH)
$5,768.75 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (480V, 25.0 kW, 3 PH)
$6,890.00 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (600V, 5.0 kW, 3 PH)
$4,225.00 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of MEW Corrosion-Resistant Washdown Electric Unit Heater (600V, 39.0 kW, 3 PH)
$7,377.50 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (208V, 5KW)
$5,834.56 each
In Stock
Get 6 by Mon, Jun 15 - Wed, Jun 17
In Stock
Get 6 by Mon, Jun 15 - Wed, Jun 17
Compare
Product Image of PKB Platinum Series 1-Phase Portable Unit Heater (208V, 7.5KW)
$3,750.37 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (208V, 7KW)
$5,968.93 each
In Stock
Get 4 by Mon, Jun 15 - Wed, Jun 17
In Stock
Get 4 by Mon, Jun 15 - Wed, Jun 17
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (208V, 10KW)
$5,944.73 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (208V, 20KW)
$7,073.49 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB Platinum Series 3-Phase Portable Unit Heater (240/208V, 7.5/5.63KW)
$4,011.98 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of 240V, 7.5kW PKB-Dt Ductable Portable Industrial Unit Heater 3-Ph (Gray)
$6,640.99 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB Platinum Series 1-Phase Portable Unit Heater with 25' Cord (240/208V, 10/7.5KW)
$4,113.02 each
In Stock
Get 34 by Mon, Jun 8 - Wed, Jun 10
In Stock
Get 34 by Mon, Jun 8 - Wed, Jun 10
Compare
Product Image of PKB-FM Series 1-Phase Portable Unit Heater with Thermostat and Fan Switch (240V, 10KW)
$5,831.86 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (240V, 10KW)
$5,944.73 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of 240V, 12.5kW PKB-Dt Ductable Portable Industrial Unit Heater 3-Ph (Gray)
$7,041.94 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (240V, 12KW)
$6,105.97 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB Platinum Series 1-Phase Portable Unit Heater (240/208V, 15/11.25KW)
$4,159.51 each
In Stock
Get 3 by Mon, Jun 8 - Wed, Jun 10
In Stock
Get 3 by Mon, Jun 8 - Wed, Jun 10
Compare
Product Image of PKB-FM Series 1-Phase Portable Unit Heater with Thermostat and Fan Switch (240V, 15KW)
$6,154.35 each
In Stock
Get 18 by Mon, Jun 15 - Wed, Jun 17
In Stock
Get 18 by Mon, Jun 15 - Wed, Jun 17
Compare
Product Image of PKB Platinum Series 3-Phase Portable Unit Heater (240/208V, 20/15KW)
$5,189.18 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of PKB-FM Series 3-Phase Portable Unit Heater with Thermostat and Fan Switch (240V, 20KW)
$7,073.50 each
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by Fri, Jul 3 - Mon, Aug 3
Compare
Product Image of PKB Platinum Series 3-Phase Portable Unit Heater (480V, 10KW)
$4,253.40 each
In Stock
Get 33 by Mon, Jun 8 - Wed, Jun 10
In Stock
Get 33 by Mon, Jun 8 - Wed, Jun 10
Compare
Product Image of PKB Platinum Series 3-Phase Portable Unit Heater (480V, 15KW)
$4,564.25 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of PKB Platinum Series 3-Phase Portable Unit Heater (480V, 20KW)
$5,341.36 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of POR145B0101 Oil Fired Unit Heater, Horizontal, 145,000 BTU Output
$6,154.85 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of 240V, 25kW PCKW Portable Wheeled Industrial Unit Heater 3-Ph (Gray)
$8,606.38 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of 480V, 15kW PCKW Portable Wheeled Industrial Unit Heater 3-Ph (Gray)
$10,370.90 each
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Backorder
Get it by Tue, Jul 7 - Thu, Aug 6
Compare
Product Image of RHEP1S20550N Parts - RHEP Series 1-Stage Infrared Gas Heater, Indoor/Outdoor, 50 ft Tube, 205,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEP1S8030N Parts - RHEP Series 1-Stage Infrared Gas Heater, Indoor/Outdoor, 30 ft Tube, 80,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEP2S13030N Parts - RHEP Series 2-Stage Infrared Gas Heater, Indoor/Outdoor, 30 ft Tube, 130,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEP2S20560N Parts - RHEP Series 2-Stage Infrared Gas Heater, Indoor/Outdoor, 60 ft Tube, 205,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEPM11530N Parts - HE+ Series Modulating Infrared Gas Heater, Indoor/Outdoor, 30 ft Tube, 115,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEPM8020N Parts - HE+ Series Modulating Infrared Gas Heater, Indoor/Outdoor, 20 ft Tube, 80,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEPM8030N Parts - HE+ Series Modulating Infrared Gas Heater, Indoor/Outdoor, 30 ft Tube, 80,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RIHP 35,000 BTU Gas Fired High-Intensity Weather-Resistant Radiant Patio Heater Bundle w/ 2-Stage Remote Control (Propane)
$2,863.52 each
Out of Stock
Get it by Mon, Jun 22 - Wed, Jul 1
Out of Stock
Get it by Mon, Jun 22 - Wed, Jul 1
Compare
Product Image of RHEP1S11540N Parts - RHEP Series 1-Stage Infrared Gas Heater, Indoor/Outdoor, 40 ft Tube, 115,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEP1S13040N Parts - RHEP Series 1-Stage Infrared Gas Heater, Indoor/Outdoor, 40 ft Tube, 130,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEP1S13050N Parts - RHEP Series 1-Stage Infrared Gas Heater, Indoor/Outdoor, 50 ft Tube, 130,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RHEP1S15550N Parts - RHEP Series 1-Stage Infrared Gas Heater, Indoor/Outdoor, 50 ft Tube, 155,000 BTU (Natural Gas)not-to-sell-product
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Backorder
Get it by Mon, Aug 31 - Tue, Nov 24
Compare
Product Image of RCC Series 83" Cove Heater - White (1050 Watts - 277V)
RCC Series 83" Cove Heater - White (1050 Watts - 277V)
SKU: RCC10527C
Qmark
SKU: RCC10527C
Brand: Qmark
$442.58 each
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Resources
FAQs, Manuals & Videos
Articles
More About Unit Heaters
Modine gas fired unit heaters and Reznor gas fired unit heaters are great for heating garages, warehouses, and other large spaces. Gas burns hotter than most other fuels and is more efficient for heating cold environments.