Direct Fired Heater

Direct fired heat is by far the most widely used type of heat for construction, as It is the most cost-effective means of construction heating. When direct fired heating is applied as part of a Mobile Air heating system we can help you to control moisture and provide good indoor air quality in a safe, fuel efficient way.

At Mobile Air we have a fleet of direct fired, make-up air and re-circulating style of heaters ranging from 90,000 Btu to 4,000,000 Btu. No matter the size of your direct fired heating need, Mobile Air has a cost effective solution.

All Mobile Air direct fired heaters are designed to use either natural gas or propane and can be used for indoor or outdoor use. We have lightning fast delivery directly to your worksite, and can even install and start-up your direct fired heater for you, making rental from Mobile Air completely hassle free.

Contact us at (888) 474-4340 to learn how Mobile Air can solve your temporary heating needs.

Direct Fired Heaters

Unit Name Image Voltage Amps Btu/hr CFM Fuel Gas Connections Dimensions
Z-500 1 Phase, 115 Volt 7.0 amps 550,000 3000 Propane / NG 1" NPT 48" x 26" x 35"
RTP-900 1 Phase, 208 - 230 Volt 38 amps 30,700 22" x 12" x 18"
RT-SSF-4001-34 3 Phase, 460 Volt 12 amps 580,000 - 2,500,000 15,500 Propane / NG 1-1/4" NPT (1 - 3 Inlets) 126" x 69" x 73" [SSF-4000] - 146" x 68" x 73" [SSF-4001]
RT-SSF-4001-32 3 Phase, 208 - 240 Volt 23 - 26 amps 580,000 - 2,500,000 15,500 Propane / NG 1-1/4" NPT (1 - 3 Inlets) 126" x 69" x 73" [SSF-4000] - 146" x 68" x 73" [SSF-4001]
RT-SSF-1501-34 3 Phase, 460 Volt 6.2 amps 550,000 - 1,500,000 8,000 Propane / NG 1-1/4" NPT 122" x 52" x 63" [SSF-1500] - 100" x 52" x 62" [SSF-1501]
RT-SSF-1501-32 3 Phase, 208 - 240 Volt 13.5 amps 550,000 - 1,500,000 8,000 Propane / NG 1-1/4" NPT 122" x 52" x 63" [SSF-1500] - 100" x 52" x 62" [SSF-1501]
RT-SSF-1501-12 1 Phase, 208 - 240 Volt 23 amps 550,000 - 1,500,000 8,000 Propane / NG 1-1/4" NPT 122" x 52" x 63" [SSF-1500] - 100" x 52" x 62" [SSF-1501]
RT-S405 1 Phase, 115 Volt 400,000 2,000 Propane / NG 3/4" NPT 45" x 17" x 22"
RT-S1505-C 1 Phase, 115 Volt 10 - 12 amps 650,000 - 1,500,000 7,700 Propane / NG 1-1/4" NPT 64" x 31" x 37"
RT-S1505-B 1 Phase, 115 Volt 8 - 10 amps 650,000 - 1,500,000 7,700 Propane / NG 1-1/4" NPT 64" x 31" x 37"
RT-S1505 1 Phase, 115 Volt 14 - 16 amps 850,000 - 1,500,000 7,000 Propane / NG 1-1/4" NPT 64" x 31" x 37"
RT-REL-3048-3 3 Phase, 460 Volt 36 amps 102,390 800 22" x 23" x 39"
RT-REL-1024-1C 1 Phase, 240 Volt 42 amps 34,130 800 22" x 23" x 39"
RT-P4000 3 Phase, 460 Volt 48 amps / 38 amps / 19 amps 102,000 / 51,000 / 36,500 1,800 45" x 19" x 25"
RT-P1800 3 Phase, 208 - 230 Volt 65,000 / 41,000 590 30" x 14" x 20"
RT-OHV500 1 Phase, 115 Volt 17 amps 500,000 3,000 Propane / NG 1" NPT 72" x 32" x 46"
RT-IDF-7-34 3 Phase, 480 Volt 13 amps 700,000 - 1,400,000 7,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 88" x 176" x 88"
RT-IDF-7-32 3 Phase, 208 Volt 26 amps 700,000 - 1,400,000 7,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 88" x 176" x 88"
RT-IDF-5-SCO 3 Phase, 208 Volt 1,000,000 5,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 96" x 185" x 102"
RT-IDF-3-SCO 3 Phase, 208 Volt 750,000 3,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 98" x 168" x 101"
RT-IDF-21-34 3 Phase, 480 Volt 28 amps 2,100,000 - 4,200,000 21,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 95" x 384" x 114" (without stack)
RT-IDF-21-32 3 Phase, 208 Volt 55 amps 2,100,000 - 4,200,000 21,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 95" x 384" x 114" (without stack)
RT-IDF-11-34 3 Phase, 480 Volt 1,200,000 - 2,400,000 11,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 95" x 192" x 96" (without stack)
RT-IDF-11-32 3 Phase, 208 Volt 44 amps 1,200,000 - 2,400,000 11,000 #1 & #2 Diesel Fuel / NG or Vapor Propane 95" x 192" x 96" (without stack)
RT-HSB-W 1 Phase, 115 Volt 7.0 amps 271,000 @ 200'F EWT w/60'F EAT 5,130 1 to 1-1/4" NPT TBD 51" x 26" x 76"
RT-HSB-S 1 Phase, 115 Volt 7.0 amps Variable: 340,000 @ 2 lbs. w/60'F EAT - 530,000 @ 60 lbs. w/ 5,130 Steam Boss Steam Connection TBD 51" x 26" x 76"
RT-ELRAD 1 Phase, 115 Volt 12.5 amps / 7.0 amps / 5.0 amps 5,120 / 3,072 / 2,000 14.25" x 5" x 23.5"
RT-EL-P1500 1 Phase, 120 Volt 5,100 116 14.6" x 7.9" x 12.2"
RT-DF1500 1 Phase, 115 Volt 14 - 16 amps 650,000 - 1,500,000 7,700 Propane / NG 1-1/4" NPT 64" x 31" x 37"
RT-DF-25-34 3 Phase, 480 Volt 25 amps 1,350,000 - 4,500,000 25,000 NG or Vapor Propane 91" x 192" x 88"
RT-DF-25-32 3 Phase, 208 Volt 50 amps 1,350,000 - 4,500,000 25,000 NG or Vapor Propane 91" x 192" x 88"
RT-DF-21-34 3 Phase, 480 Volt 21 amps 2,100,000 - 4,200,000 21,000 NG or Vapor Propane 90" x 186" x 95"
RT-DF-21-32 3 Phase, 208 Volt 42 amps 2,100,000 - 4,200,000 21,000 NG or Vapor Propane 90" x 186" x 95"
RT-DF-11-34 3 Phase, 480 Volt 11 amps 1,200,000 - 2,400,000 11,000 NG or Vapor Propane 72" x 168" x 77"
RT-DF-11-32 3 Phase, 208 Volt 22 amps 1,200,000 - 2,400,000 11,000 NG or Vapor Propane 72" x 168" x 77"
RT-DF-11-12 1 Phase, 208 Volt 40 amps 1,200,000 - 2,400,000 11,000 NG or Vapor Propane 72" x 168" x 77"
RT-CAQ362-34 3 Phase, 460 Volt 3.7 amps Variable: 815,000 @ 10 LBS. W/60'F EAT - 1,126,320 @ 60 lbs. 12,000 Steam Boss Steam Connection TBD 55" x 42" x 77"
RT-CAQ362-32 3 Phase, 208 - 230 Volt 7.6 amps Variable: 815,000 @ 10 LBS. W/60'F EAT - 1,126,320 @ 60 lbs. 12,000 Steam Boss Steam Connection TBD 55" x 42" x 77"
RT-AH-9-34 3 Phase, 480 Volt 5 amps 450,000 - 990,000 5,000 Propane / NG 34" x 85" x 47"
RT-AH-9-32 3 Phase, 208 Volt 10 amps 450,000 - 990,000 5,000 Propane / NG 34" x 85" x 47"
RT-AH-9-12 1 Phase, 208 Volt 18 amps 450,000 - 990,000 5,000 Propane / NG 34" x 85" x 47"
RT-AH-7-34 3 Phase, 480 Volt 5 amps 400,000 - 750,000 4,000 Propane / NG 34" x 85" x 47"
RT-AH-7-32 3 Phase, 208 Volt 10 amps 400,000 - 750,000 4,000 Propane / NG 34" x 85" x 47"
RT-AH-7-12 1 Phase, 208 Volt 18 amps 400,000 - 750,000 4,000 Propane / NG 34" x 85" x 47"
RT-AH-5 120 Volt 17 amps 150,000 - 500,000 3,000 Propane / NG 31" x 74" x 45"
RT-AH-4 120 Volt 15 amps 200,000 - 400,000 1,800 Propane / NG 28" x 57" x 38"
RT-AH-22-34 3 Phase, 480 Volt 11 amps 600,000 - 2,000,000 12,000 Propane / NG 60" x 101" x 64"
RT-AH-22-32 3 Phase, 208 Volt 22 amps 600,000 - 2,000,000 12,000 Propane / NG 60" x 101" x 64"
RT-AH-22-12 3 Phase, 208 Volt 40 amps 600,000 - 2,000,000 12,000 Propane / NG 60" x 101" x 64"
RT-AH-10-34 3 Phase, 480 Volt 5 amps 300,000 - 990,000 6,000 Propane / NG 34" x 81" x 51"
RT-AH-10-32 3 Phase, 208 Volt 10 amps 300,000 - 990,000 6,000 Propane / NG 34" x 81" x 51"
RT-AH-10-12 1 Phase, 208 Volt 18 amps 300,000 - 990,000 6,000 Propane / NG 34" x 81" x 51"
RT-950 1 Phase, 115 Volt 8 - 10 amps 400,000 - 950,000 7,000 Propane / NG 1" NPT 75" x 28" x 36"
RT-3050-34 3 Phase, 460 Volt 8 amps 1,200,000 - 3,400,000 16,000 Propane / NG 1" NPT 73" x 41" x 44"
RT-3050-32 3 Phase, 208 - 230 Volt 15 amps 1,200,000 - 3,400,000 16,000 Propane / NG 1" NPT 73" x 41" x 44"
RT-3050-12 1 Phase, 208 - 230 Volt 26 amps 1,200,000 - 3,400,000 16,000 Propane / NG 1" NPT 73" x 41" x 44"
RT-2730-34 3 Phase, 460 Volt 5 amps 500,000 - 2,000,000 12,500 Propane / NG 1" NPT 72" x 32" x 46"
RT-2730-32 3 Phase, 208 - 230 Volt 12 amps 500,000 - 2,000,000 12,500 Propane / NG 1" NPT 72" x 32" x 46"
RT-2730-12 1 Phase, 208 - 230 Volt 24 amps 500,000 - 2,000,000 12,500 Propane / NG 1" NPT 72" x 32" x 46"
RT-2000 1 Phase, 115 Volt 14-15 amps 1,000,000 4.200 Propane / NG 1" NPT 62" x 26" x 30"
RT-1800 1 Phase, 115 Volt 14-15 amps 750,000 4,200 Propane / NG 1" NPT 62" x 26" x 30"
ROT-800 120 Volt 11 amps 800,000 1,800 Propane / NG 1" NPT 32" x 51" x 41"
ROT-400 120 Volt 5 amps 400,000 1,250 Propane / NG 3/4" NPT 20" x 43" x 27"
ROT-3000 3 Phase, 480 Volt 5 amps 3,250,000 18,500 Propane / NG 2-1/2" NPT 39" x 77" x 58"
ROT-2500 120 Volt, 230 Volt, 480 Volt 22 / 15 / 11 amps 2,000,000 6,600 Propane / NG 2" NPT 37" x 63" x 50"
ROT-250 3 amps 1 Phase, 110 Volt 250,000 1,650 Propane / NG 1" NPT 22" x 36" x 26"
ROT-1500 120 Volt 14 / 7 amps 1,250,000 3,800 Propane / NG 1-1/4" NPT 30" x 50" x 38"
REL-170 1 Phase, 115 Volt Starting - 8 amps - Cont.Oper. 2.5 amps 170,000 1,200 Propane / NG 18" x 31" x 28"
IDF-7 SCO 240 Vac / 3 Phase / 60 Hz 1,200,000 6,000 #1 & #2 Diesel Fuel 205" x 96" x 125"
IDF-1.8 SCO 240 Vac / 3 Phase / 60 Hz 325,000 1,800 #1 & #2 Diesel Fuel 124" x 94" x 84"
25 Ton Trailer Mounted Heating Unit 3 Phase, 460 Volt 5 400,000 9,000 84" x 120" x 68"
REL-155 1 Phase, 115 Volt 15 155,000 625 Propane N/A 11" x 29" x 15"
RT-SSF-4001-34 415 volt three-phase 20 2,500,000 high fire / 580,000 low fire 15,500 Natural Gas, Propane 1-1/4" NPT 146 x 68 x 71 in
RT-SSF-4001-32 250 volt three-phase 30 2,500,000 high fire / 580,000 low fire 15,000 1-1/4" NPT 146 x 68 x 71 in
RT-SSF-1501-34 415 volt three-phase 15 1,500,000 high fire 550,000 low fire 8,500 Natural Gas, Propane 1-1/4" NPT 100 x 52 x 62 in
RT-SSF-1501-32 195 volt three-phase 20 1,500,000 high fire 550,000 low fire 8,500 Natural Gas, Vapor Propane 1-1/4" NPT 100 x 52 x 62 in
RT-SSF-1501-12 208 volt single-phase 30 1,500,000 high fire 550,000 low fire 8,500 Natural Gas, Vapor Propane 1-1/4" NPT 100 x 52 x 62 in
Mobile Hot Water Coil 271 120 volt single-phase N/A 271,100 5130 Hot Water 3/4" FNPT N/A
Indirect Fired VG400 120 volt single-phase 20 400,000 2100 Natural Gas, Vapor Propane 3/4" FNPT 60 x 24 x 45 in
Mobile Steam Fan Coil 302 230 volt single-phase N/A 960,000 12,160 Steam 3/4" FNPTN/A N/A
Mobile Steam Fan Coil 362 220 volt single-phase N/A 1,260,000 12,160 Steam 3/4" FNPTN/A N/A
Indirect Fired VG1000 195 volt single-phase 30 1,000,000 Input / 800,000 Output 4075 Natural Gas, Vapor Propane 1-1/4" NPT 120 x 31.5 x 54 in
Electric P4000 415 volt three-phase 50 51,000 low setting / 102,000 med setting / 136,500 high sett 1800 Electric Heat N/A 45 x 19 x 25 in
Indirect Fired OHV500 105 volt single-phase 20 450,000 Input / 360,000 Output 3200 Natural Gas, Vapor Propane 3/4" FNPT 60 x 24 x 49 in
Direct Fired Make-Up Unit 3050 208-230 volt single-phase, 208-230 volt three-phase, 460 vol 30 single-phase / 15 three-phase 4,000,000 high fire / 1,200,00 low fire 16,000 Natural Gas, Vapor Propane, Liquid Propane 3/4" NPT 73 x 41 x 44 in
Direct Fired 2730 208-230 volt single-phase, 208-320 volt three-phase, 460 vol 30 single-phase / 15 three-phase 2,000,000 high fire / 500,000 low fire 12,500 Natural Gas, Vapor Propane, Liquid Propane 3/4" NPT 72 x 32 x 46 in
Direct Fired S1505 105 volt single-phase 20 1,500,000 high fire 850,000 low fire 7,000 Natural Gas, Vapor Propane 1-1/4" NPT 69 x 31 x 37 in
Direct Fired S2000 105 volt single-phase 20 1,000,000 4,200 Natural Gas, Vapor Propane, Liquid Propane 1.0" NPT 62 x 26 x 30 in
Direct Fired 1800 105 volt single-phase 20 750,000 4,200 Natural Gas, Vapor Propane, Liquid Propane 1.0" NPT 62 x 26 x 30 in
Direct Fired S405 105 volt single-phase 15 400,000 2,000 Natural Gas, Vapor Propane 3/4" NPT 45 x 17 x 22 in