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Construction Heaters
When the temperature drops and work comes to a halt, you need Master portable construction heaters. For over 50 years, Master has been the leading provider of quality rugged Outdoor Construction Heaters. Whether you need propane or kerosene heaters, these heaters provide fast and dependable heat to job sites, work shops, factories, warehouses, loading docks, and anywhere else portable heating is needed.
Kerosene Heaters — Forced Air
You get a lot of heat for the money with this high-output portable heater. Every hour, every day, the economical choice in all kinds of industrial, commercial and agricultural environments.
MODEL NO. B200BT B350D B600D
BTU Output
Per Hour
200,000
350,000
600,000
Heating Area
4,700 sq. ft.
8,225 sq. ft.
14,100 sq. ft.
Air Flow
600 cfm
1,350 cfm
3,300 cfm
Fuel Tank
13.5 gal.
30.0 gal.
36.0 gal.
Run Time
Per Tankful
9.5 hours
11.7 hours
8.8 hours
B200AT.jpg
HA1210.eps
External In-line Capillary Thermostat HA1210— Saves energy dollars by automatically maintaining any selected temperature between 40°F and 90°F. No installation. Just plug into electrical outlet. (Sold separately.)
Propane Heaters — Forced Air
Many hours of warm, clean-burning heat. Very quiet and inexpensive to operate.
BLP375.jpg
MODEL NO. BLP30 BLP170VT BLP375AT
BTU Output
Per Hour
30,000 125,000 to 170,000
Adjustable
225,000 to 375,000
Adjustable
Heating Area 700 sq. ft. 4,000 sq. ft. 5,300 to 8,800 sq. ft.
Air Flow 175 cfm 450 cfm 1,500 cfm
Weight 11 lbs. 25 lbs. 52 lbs.
  Model Numbers indicate BTU output in thousands.
  Model Number with “T” Suffix indicates unit includes thermostat.
Propane Heaters — Radiant and Convection
The propane infrared radiant unit heats objects and people before heating the air. Ideal for warehouses, construction sites and manufacturing locations. Does not need electricity to operate. 360-degree emitter on the TC200VA heats in all directions while the T30 concentrates heat where directed — dual burner heads rotate up to 180 degrees and operate independently.
TT24.eps
TC200V.jpg
MODEL NO. TT15 TT30 TC200VA
BTU Output
Per Hour
10,000 - 15,000
(Adjustable)
10,000 - 30,000
(Adjustable)
75,000 - 200,000
(Adjustable)
Heating Area
N/A
N/A
Up to 4,700 sq. ft.
Ignition Method
Manual
Piezo
Piezo
Heating Method
Infrared
Infrared
Convection
TT15.eps
Vaporization Rate
The following chart shows the amount of BTUs a 100 lb. cylinder will vaporize at various temperatures.
Pounds of
Propane
in Cylinder
MAXIMUM CONTINUOUS DRAW IN BTU
PER HOUR AT VARIOUS TEMPERATURES
0ºF
20ºF
40ºF
100
113,000
167,000
214,000
60
75,000
109,000
140,000
40
55,000
79,000
105,000
30
45,000
66,000
85,000
20
36,000
51,000
68,000
Maximum BTU Output
This table shows the maximum BTU output a cylinder can produce.
Cylinder Size BTU Content
20 lbs.
431,200
100 lbs.
2,156,000