Shop King Unit Heater
Find a unit heater perfect for a garage, warehouse, or other commercial or industrial space with a unit heater from King Electric! Available in a variety of styles, wattages, and BTU options, you can find a unit heater to efficiently discharge warm air into the space you install it. Shop HomElectrical to find a wide assortment of King Electric unit heater options!
12kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 240V/208V
KFUH2412-3-2S3-ECM
12000W 3 Phase 240V/208V 28.9 Amps/21.6 Amps 1/3 Motor Horsepower 40.9 BTU/H 1168 CFM 2 Stage Control 3-Phase Model ECM...
$9,081.46Each
25kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 240V/208V
KFUH2425-3-2S3-ECM
25000W 3 Phase 240V/208V 60.1 Amps/45.1 Amps 1/2 Motor Horsepower 85.3 BTU/H 1690 CFM 2 Stage Control 3-Phase Model ECM...
$10,925.51Each
35kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 240V/208V
KFUH2435-3-2S3-ECM
35000W 3 Phase 240V/208V 82.9 Amps/62.2 Amps 3/4 Motor Horsepower 117.7 BTU/H 2154 CFM 2 Stage Control 3-Phase Model ECM...
$11,758.31Each
35kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 480V
KFUH4835-3-2S3-ECM
35000W 3 Phase 480V 41.5 Amps 3/4 Motor Horsepower 117.7 BTU/H 2154 CFM 2 Stage Control 3-Phase Model ECM Motor...
$11,758.31Each
40kW High Air Velocity Unit Heater w/Disc., Therm, & ECM., 3Ph, 480V
KFUH4840-3-2S3-ECM-DS80-2TS
40000W 3 Phase 480V 48.1 Amps 2x1/2 Motor Horsepower 136.5 BTU/H 1575 CFM 2 Stage Control 3-Phase Model ECM Motor...
$20,452.92Each
60kW High Air Velocity Unit Heater w/Disc., Therm, & ECM., 3Ph, 480V
KFUH4860-3-2S3-ECM-DS100-2TS
60000W 3 Phase 480V 72.1 Amps 2x3/4 Motor Horse Power 204.8 BTU/H 1987 CFM 2 Stage Control 3-Phase Model Factory...
$21,125.59Each
9W Unit Heater W/SP Stat. & BRKT, 1-3 Ph, 20 Amps, 240V/208V
KBS2405-3MP-T-B2
240V/208V 20 Amps 9W 1-3 Phase 17100 BTU/H 520 CFM 9W Motor HP 30 Degree Temp Rise 20-ft Air Throw...
$10,221.03Each
35W Unit Heater W/ SP Stat. & BRKT, 3 Ph, 52.1 Amps, 240V/208V
KBS2412-3-T-B2
240V/208V 52.1 Amps 35W 3 Phase 24700 BTU/H 935 CFM 35W Motor HP 42 Degree Temp Rise 31-ft Air Throw...
$10,849.77Each
50W Unit Heater W/ SP Stat. & BRKT, 3 Ph, 36.1 Amps, 240V/208V
KBS2415-3-T-B2
240V/208V 36.1 Amps 50W 3 Phase 51200 BTU/H 1050 CFM 50W Motor HP 45 Degree Temp Rise 33-ft Air Throw...
$11,399.92Each
75kW Make Up Air Unit, 25600 BTU/H, 3 Ph, 14 Amps, 208V
MAU2007-3-ECM-SSR
208V 14 Amps 75000W 3 Phase 25600 BTU/H 2 Element 60 Internal C/B 1/3 Motor HP 2.7A Motor FLA All-in-One...
$13,956.69Each
12.5kW Make Up Air Unit, 42700 BTU/H, 3 Ph, 34 Amps, 208V
MAU2012-3-ECM-SSR
208V 34 Amps 12500W 3 Phase 42700 BTU/H 3 Element 60 Internal C/B 1/3 Motor HP 2.7A Motor FLA All-in-One...
$16,407.07Each
20kW Make Up Air Unit, 68300 BTU/H, 1 Ph, 96 Amps, 208V
MAU2020-1-ECM-SSR
208V 96 Amps 20000W 1 Phase 68300 BTU/H 4 Element 60+60 Internal C/B 1/2 Motor HP 4.2A Motor FLA All-in-One...
$17,875.80Each
25kW Make Up Air Unit, 85300 BTU/H, 1 Ph, 85.3 Amps, 208V
MAU2025-1-ECM-SSR
208V 85.3 Amps 25000W 1 Ph 85300 BTU/H 5 Elements 60+60+60 Internal C/B 1/2 Motor HP 6.0A Motor FLA All-in-One...
$20,066.22Each
30kW Make Up Air Unit, 102400 BTU/H, 1 Ph, 102.4 Amps, 208V
MAU2030-1-ECM-SSR
208V 102.4 Amps 30000W 1 Ph 102400 BTU/H 6 Elements 60+60+60 Internal C/B 3/4 Motor HP 6.0A Motor FLA All-in-One...
$22,537.45Each
11.5kW Make Up Air Unit, 41000BTU/H, 3 Ph, 29 Amps, 208V
MAU2412-3-ECM-SSR
208V 29 Amps 11500W 3 Ph 41000BTU/H 3 Element 60 Internal C/B 1/3 Motor HP 2.9A Motor FLA All-in-One Make...
$15,947.95Each
17.3kW Make Up Air Unit, 58900 BTU/H, 3 Ph, 42 Amps, 240V
MAU2418-3-ECM-SSR
240V 42 Amps 17300W 3 Ph 58900 BTU/H 3 Element 60 Internal C/B 1/3 Motor HP 2.9A Motor FLA All-in-One...
$16,866.17Each
25kW Make Up Air Unit, 85300 BTU/H, 1 Ph, 104 Amps, 240V
MAU2425-1-ECM-SSR
240V 104 Amps 25000W 1 Ph 85300 BTU/H 5 Elements 60+60+60 Internal C/B 1/2 Motor HP 4.2A Motor FLA All-in-One...
$20,066.22Each
30kW Make Up Air Unit, 102400 BTU/H, 1 Ph, 125 Amps, 240V
MAU2430-1-ECM-SSR
240V 125 Amps 30000W 1 Ph 102400 BTU/H 6 Elements 60+60+60 Internal C/B 3/4 Motor HP 6.2A Motor FLA All-in-One...
$21,414.17Each
35kW Make Up Air Unit, 117700 BTU/H, 1 Ph, 144 Amps, 240V
MAU2435-1-ECM-SSR
240V 144 Amps 35000W 1 Ph 117700 BTU/H 6 Elements 60+60+60 Internal C/B 3/4 Motor HP 6.2A Motor FLA All-in-One...
$23,773.07Each
10kW Make Up Air Unit, 34000 BTU/H, 3 Ph, 12 Amps, 480V
MAU4810-3-ECM-SSR-DS32
MADE TO ORDER 480V 12 Amps 10000W 3 Ph 34000 BTU/H 2 Element 1/3 Motor HP 0.8A Motor FLA 32...
$17,618.47Each
12kW Make Up Air Unit W/Disc., 41000 BTU/H, 1 Ph, 25 Amps, 480V
MAU4812-1-ECM-SSR-DS32
480V 25 Amps 12000W 1 Ph 41000 BTU/H 3 Element 1/3 Motor HP 0.7A Motor FLA 32 Amp, 3 Pole...
$18,009.40Each
17.3kW Make Up Air Unit, 58900 BTU/H, 3 Ph, 21 Amps, 480V
MAU4818-3-ECM-SSR
480V 21 Amps 17300W 3 Ph 58900 BTU/H 3 Element 1/3 Motor HP 0.8A Motor FLA All-in-One Make Up Air...
$18,080.40Each
7500W Unit Heater Built in Therm., 25600 BTU/H, 1 Ph, 27.1 Amps, 277V
KB2707-1-T-B2
277V 7500W 25600 BTU/H 1 Phase 27.1 Amps 16W Motor HP 690 CFM 34 Degrees F Temperature Rise 20-ft Air...
$2,293.77Each
10kW PTBL Unit Heater W/Duct, 25-ft Cord, 34100 BTU/H, 3 Ph, 480V
PKB4810-3-T-DT-FM-25C
480V 10kW 34100 BTU/H 3 Phase 12 Amp 725 CFM Floor Mount 25-ft Cord 12-in Duct Transition Collar High Mass...
$9,253.78Each
950/2850W Compact Unit Heater w/ Thermostat, 9727 BTU/H, 120V, Gray
KBP1230-1-S2-MB-T
950/1900/2850W; 120V Built-in thermostat Fan delay Adjustable lovers to direct airflow Aluminum blade fan Long life cast iron motor...
$1,056.03Each
950/5000W Compact Unit Heater w/ Thermostat, 17060 BTU/H, 208V, Gray
KBP2005-1-S2-MB-T
950/1450/2900/3600/4000/5000W; 208VBuilt-in thermostatFan delayAdjustable lovers to direct airflowAluminum blade fanLong life cast iron motorHinged electrical enclosure accessPatented smart limit protectionUniversal...
$1,056.03Each
950/5700W Compact Unit Heater w/ Thermostat, 19454 BTU/H, 208V/240V,GY
KBP2406-1-S2-MB-T
950/1900/2850/3800/4750/5700W; 208V/240VBuilt-in thermostatFan delayAdjustable lovers to direct airflowAluminum blade fanLong life cast iron motorHinged electrical enclosure accessPatented smart limit protectionUniversal...
$990.23Each
5kW KBU PlatinumX Plenum Heater w/ 24V Control, 1 Ph, 240V
KBU2405-1-PLTMX
5kW; 17065 BTU/H208V/240V; 1 PhasePlenum rated for concealed spaces: for zero clearance to combustiblesFor freeze protection in difficult to reach...
$4,838.31Each
7.5kW KBU PlatinumX Plenum Heater w/ 24V Control, 1 Ph, 240V
KBU2407-1-PLTMX
7.5kW; 25598 BTU/H208V/240V; 1 PhasePlenum rated for concealed spaces: for zero clearance to combustiblesFor freeze protection in difficult to reach...
$5,041.39Each
10kW KBU PlatinumX Plenum Heater w/ 24V Control, 1 Ph, 240V
KBU2410-1-PLTMX
10kW; 34130 BTU/H208V/240V; 1 PhasePlenum rated for concealed spaces: for zero clearance to combustiblesFor freeze protection in difficult to reach...
$5,244.47Each
12kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 240V/208V
KFUH2412-3-2S3-ECM
12000W 3 Phase 240V/208V 28.9 Amps/21.6 Amps 1/3 Motor Horsepower 40.9 BTU/H 1168 CFM 2 Stage Control 3-Phase Model ECM...
$9,081.46Each
25kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 240V/208V
KFUH2425-3-2S3-ECM
25000W 3 Phase 240V/208V 60.1 Amps/45.1 Amps 1/2 Motor Horsepower 85.3 BTU/H 1690 CFM 2 Stage Control 3-Phase Model ECM...
$10,925.51Each
35kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 240V/208V
KFUH2435-3-2S3-ECM
35000W 3 Phase 240V/208V 82.9 Amps/62.2 Amps 3/4 Motor Horsepower 117.7 BTU/H 2154 CFM 2 Stage Control 3-Phase Model ECM...
$11,758.31Each
35kW High Air Velocity Unit Heater w/2-Stage CN & ECM., 3Ph, 480V
KFUH4835-3-2S3-ECM
35000W 3 Phase 480V 41.5 Amps 3/4 Motor Horsepower 117.7 BTU/H 2154 CFM 2 Stage Control 3-Phase Model ECM Motor...
$11,758.31Each
40kW High Air Velocity Unit Heater w/Disc., Therm, & ECM., 3Ph, 480V
KFUH4840-3-2S3-ECM-DS80-2TS
40000W 3 Phase 480V 48.1 Amps 2x1/2 Motor Horsepower 136.5 BTU/H 1575 CFM 2 Stage Control 3-Phase Model ECM Motor...
$20,452.92Each
60kW High Air Velocity Unit Heater w/Disc., Therm, & ECM., 3Ph, 480V
KFUH4860-3-2S3-ECM-DS100-2TS
60000W 3 Phase 480V 72.1 Amps 2x3/4 Motor Horse Power 204.8 BTU/H 1987 CFM 2 Stage Control 3-Phase Model Factory...
$21,125.59Each
9W Unit Heater W/SP Stat. & BRKT, 1-3 Ph, 20 Amps, 240V/208V
KBS2405-3MP-T-B2
240V/208V 20 Amps 9W 1-3 Phase 17100 BTU/H 520 CFM 9W Motor HP 30 Degree Temp Rise 20-ft Air Throw...
$10,221.03Each
35W Unit Heater W/ SP Stat. & BRKT, 3 Ph, 52.1 Amps, 240V/208V
KBS2412-3-T-B2
240V/208V 52.1 Amps 35W 3 Phase 24700 BTU/H 935 CFM 35W Motor HP 42 Degree Temp Rise 31-ft Air Throw...
$10,849.77Each
50W Unit Heater W/ SP Stat. & BRKT, 3 Ph, 36.1 Amps, 240V/208V
KBS2415-3-T-B2
240V/208V 36.1 Amps 50W 3 Phase 51200 BTU/H 1050 CFM 50W Motor HP 45 Degree Temp Rise 33-ft Air Throw...
$11,399.92Each
75kW Make Up Air Unit, 25600 BTU/H, 3 Ph, 14 Amps, 208V
MAU2007-3-ECM-SSR
208V 14 Amps 75000W 3 Phase 25600 BTU/H 2 Element 60 Internal C/B 1/3 Motor HP 2.7A Motor FLA All-in-One...
$13,956.69Each
12.5kW Make Up Air Unit, 42700 BTU/H, 3 Ph, 34 Amps, 208V
MAU2012-3-ECM-SSR
208V 34 Amps 12500W 3 Phase 42700 BTU/H 3 Element 60 Internal C/B 1/3 Motor HP 2.7A Motor FLA All-in-One...
$16,407.07Each
20kW Make Up Air Unit, 68300 BTU/H, 1 Ph, 96 Amps, 208V
MAU2020-1-ECM-SSR
208V 96 Amps 20000W 1 Phase 68300 BTU/H 4 Element 60+60 Internal C/B 1/2 Motor HP 4.2A Motor FLA All-in-One...
$17,875.80Each
25kW Make Up Air Unit, 85300 BTU/H, 1 Ph, 85.3 Amps, 208V
MAU2025-1-ECM-SSR
208V 85.3 Amps 25000W 1 Ph 85300 BTU/H 5 Elements 60+60+60 Internal C/B 1/2 Motor HP 6.0A Motor FLA All-in-One...
$20,066.22Each
30kW Make Up Air Unit, 102400 BTU/H, 1 Ph, 102.4 Amps, 208V
MAU2030-1-ECM-SSR
208V 102.4 Amps 30000W 1 Ph 102400 BTU/H 6 Elements 60+60+60 Internal C/B 3/4 Motor HP 6.0A Motor FLA All-in-One...
$22,537.45Each
11.5kW Make Up Air Unit, 41000BTU/H, 3 Ph, 29 Amps, 208V
MAU2412-3-ECM-SSR
208V 29 Amps 11500W 3 Ph 41000BTU/H 3 Element 60 Internal C/B 1/3 Motor HP 2.9A Motor FLA All-in-One Make...
$15,947.95Each
17.3kW Make Up Air Unit, 58900 BTU/H, 3 Ph, 42 Amps, 240V
MAU2418-3-ECM-SSR
240V 42 Amps 17300W 3 Ph 58900 BTU/H 3 Element 60 Internal C/B 1/3 Motor HP 2.9A Motor FLA All-in-One...
$16,866.17Each
25kW Make Up Air Unit, 85300 BTU/H, 1 Ph, 104 Amps, 240V
MAU2425-1-ECM-SSR
240V 104 Amps 25000W 1 Ph 85300 BTU/H 5 Elements 60+60+60 Internal C/B 1/2 Motor HP 4.2A Motor FLA All-in-One...
$20,066.22Each
30kW Make Up Air Unit, 102400 BTU/H, 1 Ph, 125 Amps, 240V
MAU2430-1-ECM-SSR
240V 125 Amps 30000W 1 Ph 102400 BTU/H 6 Elements 60+60+60 Internal C/B 3/4 Motor HP 6.2A Motor FLA All-in-One...
$21,414.17Each
35kW Make Up Air Unit, 117700 BTU/H, 1 Ph, 144 Amps, 240V
MAU2435-1-ECM-SSR
240V 144 Amps 35000W 1 Ph 117700 BTU/H 6 Elements 60+60+60 Internal C/B 3/4 Motor HP 6.2A Motor FLA All-in-One...
$23,773.07Each
10kW Make Up Air Unit, 34000 BTU/H, 3 Ph, 12 Amps, 480V
MAU4810-3-ECM-SSR-DS32
MADE TO ORDER 480V 12 Amps 10000W 3 Ph 34000 BTU/H 2 Element 1/3 Motor HP 0.8A Motor FLA 32...
$17,618.47Each
12kW Make Up Air Unit W/Disc., 41000 BTU/H, 1 Ph, 25 Amps, 480V
MAU4812-1-ECM-SSR-DS32
480V 25 Amps 12000W 1 Ph 41000 BTU/H 3 Element 1/3 Motor HP 0.7A Motor FLA 32 Amp, 3 Pole...
$18,009.40Each
17.3kW Make Up Air Unit, 58900 BTU/H, 3 Ph, 21 Amps, 480V
MAU4818-3-ECM-SSR
480V 21 Amps 17300W 3 Ph 58900 BTU/H 3 Element 1/3 Motor HP 0.8A Motor FLA All-in-One Make Up Air...
$18,080.40Each
7500W Unit Heater Built in Therm., 25600 BTU/H, 1 Ph, 27.1 Amps, 277V
KB2707-1-T-B2
277V 7500W 25600 BTU/H 1 Phase 27.1 Amps 16W Motor HP 690 CFM 34 Degrees F Temperature Rise 20-ft Air...
$2,293.77Each
10kW PTBL Unit Heater W/Duct, 25-ft Cord, 34100 BTU/H, 3 Ph, 480V
PKB4810-3-T-DT-FM-25C
480V 10kW 34100 BTU/H 3 Phase 12 Amp 725 CFM Floor Mount 25-ft Cord 12-in Duct Transition Collar High Mass...
$9,253.78Each
950/2850W Compact Unit Heater w/ Thermostat, 9727 BTU/H, 120V, Gray
KBP1230-1-S2-MB-T
950/1900/2850W; 120V Built-in thermostat Fan delay Adjustable lovers to direct airflow Aluminum blade fan Long life cast iron motor...
$1,056.03Each
950/5000W Compact Unit Heater w/ Thermostat, 17060 BTU/H, 208V, Gray
KBP2005-1-S2-MB-T
950/1450/2900/3600/4000/5000W; 208VBuilt-in thermostatFan delayAdjustable lovers to direct airflowAluminum blade fanLong life cast iron motorHinged electrical enclosure accessPatented smart limit protectionUniversal...
$1,056.03Each
950/5700W Compact Unit Heater w/ Thermostat, 19454 BTU/H, 208V/240V,GY
KBP2406-1-S2-MB-T
950/1900/2850/3800/4750/5700W; 208V/240VBuilt-in thermostatFan delayAdjustable lovers to direct airflowAluminum blade fanLong life cast iron motorHinged electrical enclosure accessPatented smart limit protectionUniversal...
$990.23Each
5kW KBU PlatinumX Plenum Heater w/ 24V Control, 1 Ph, 240V
KBU2405-1-PLTMX
5kW; 17065 BTU/H208V/240V; 1 PhasePlenum rated for concealed spaces: for zero clearance to combustiblesFor freeze protection in difficult to reach...
$4,838.31Each
7.5kW KBU PlatinumX Plenum Heater w/ 24V Control, 1 Ph, 240V
KBU2407-1-PLTMX
7.5kW; 25598 BTU/H208V/240V; 1 PhasePlenum rated for concealed spaces: for zero clearance to combustiblesFor freeze protection in difficult to reach...
$5,041.39Each
10kW KBU PlatinumX Plenum Heater w/ 24V Control, 1 Ph, 240V
KBU2410-1-PLTMX
10kW; 34130 BTU/H208V/240V; 1 PhasePlenum rated for concealed spaces: for zero clearance to combustiblesFor freeze protection in difficult to reach...
$5,244.47Each