General Equipment Co.'s GP21 positive pressure ventilator borrows heavily from the positive pressure technology used by fire departments for smoke removal. The gas-powered ventilator is the first positive pressure ventilator designed specifically for construction-related applications. Powered by a 5 1/2-hp Honda gasoline engine, the model GP21 produces an airflow rate of 11,000 cfm with a static capacity of 5 inches or more. An electric-powered model (EP17) is also available.
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The Maxi Heat's in-direct fired design draws in and heats outside air, delivering contaminant-free, warm, dry air precisely where needed for the particular job. Combustion gasses exhaust away from the machine to create an ideal environment for curing concrete and drywall mud, warehouse construction and other cold weather applications. The enclosed twin heater units are rated at a total output of 1,000,000 BTUs per hour delivering a maximum of 5,600 cfm, with as much as a 180-degree Fahrenheit temperature rise above ambient. The Maxi Heat features an Isuzu power unit and a 191 U.S.-gallon fuel tank, permitting unattended operation for more than 24 hours.
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Ground Heaters Inc.
Specifically designed for builders, utilities, municipalities and small construction contractors, Ground Heaters' AC1100 Ground Heater includes more ground thawing and concrete curing capabilities than previous compact Ground Heater models. As with other Ground Heater units, the AC1100 increases productivity by allowing equipment and crews to prepare building sites and pour concrete, indoors and out, all winter long. Able to thaw up to 1,650 square feet of frozen ground at a rate of 1 foot per day, the AC1100 can also heat up to 2,200 square feet of ground to prepare for concrete placement, prevent frost penetration or assure proper concrete curing.
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Euramco's Ramfan adds a heater and battery pak option to the UB20 blower/exhauster. The UB portable is a lightweight, totally portable battery pak that gives the UB20 up to 8 hours of airflow. The high-impact case protects the maintenance free batteries, which can be recharged overnight with the standard charger. Ramfan has added an in-line heater system that means fast, easy attachment and it includes a regulator to hook up to a standard butane tank for up to 10 hours of continuous heating.
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ThermoPlus Industries introduces the ColdBuster, a lightweight portable propane heater. The ColdBuster portable propane heater weighs only 11.5 pounds and can put out a 350-degree Fahrenheit temperature rise at the end of a 12-foot length of heater-attachable high-temperature flexible duct hose. Available in 12 v or 120 v, it can be operated from inside the weather-resistant carrying/operating case allowing for outdoor use in rain, snow or other inclement weather conditions. Constructed from stainless steel, it can be used in the heavy construction industry, on fleet service vehicles, as an engine pre-heater on aircraft and for diesel engines.
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Flagro Industries Limited introduces the model F-150 “Heat Cannon,” which is a horizontal style convection heater for construction applications. The heat output is adjustable from 50,000 to 150,000 BTU/HR. The unit's design makes it stackable when not being used and no electricity is required to operate the F-150. It is propane fired and is complete with 20-foot hose and regulator.
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The Sure Flame IX400 heater can provide vented heat on the job site. With an input rating of 400,000 BTU/hr, and a two hp motor, this unit can handle higher static pressures and longer ducting. It has a stainless steel heat exchanger for long life, and is compact enough to fit through most commercial doors.
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United CoolAir's portable heating units range in size from 15 to 45kW in either single or dual stage modes. The portable heating equipment has built-in color-coded camlock connectors for fast input/output power connection. Operation is further enhanced with either ducted or freeblow air supply arrangements and a slim horizontal design allows for easy mobility using lockable casters or forklift pockets. Standard features include a bi-directional discharge grill, cleanable filter, main circuit breaker, belt drive centrifugal blower, 1/4 turn fasteners on access panels, recessed lifting handles and finned tubular heaters.
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Universal portable heaters feature five clean air heaters. Clean air heaters are ideal for drying building sites and heating enclosed buildings. Powerful fans ensure high static pressure allowing heaters to be placed outdoors with clean heated air directed indoors. The K150-FAI, 150,000 BTU/hr and K275-FAI, 275,000 BTU/hr, include fuel tank, stainless steel combustion chamber, photoelectric flame sensor, water resistant flame control box, automatic electric safety control devices, a durable powder coated finish and can be connected to an optional thermostat.
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MovinCool announces the new Office Pro 60 portable air conditioner. This unit is designed specifically for cooling office environments, and protecting computer and telecom equipment from losing data due to heat. The office Pro 60 provides 60,000 BTU/hr of cooling, 2000 CFM of airflow at evaporator, and runs on a single phase, 208/230 volt power supply. The Office Pro series features a programmable digital controller allowing the units to operate automatically during weekends and after hours.
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Port-A-Cool units, manufactured by General Shelters of Texas are completely self-contained, portable, evaporative cooling systems offering options for effective cooling when standard air-conditioning may be unavailable, impractical or cost prohibitive. Operating on water and 110v of electricity or compressed air, hot air is pulled through the water-soaked pads, cold air is created by evaporation and dispersed by the fan. It can deliver 15,000 cubic feet per minute of airflow and can average 20 degrees cooler than surrounding air and disburse that air over extremely large areas. Direction of the flow of cool air may also be controlled with ducting.
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TOPP Portable Air
TOPP Portable Air presents the new and improved MOB-42-hp portable air conditioner/heat pump. The MOB-42-hp now comes standard with a convertible heat pump. Versatility ranges from spot cooling airport hangers and pre-cooling aircraft, to keeping personnel comfortable in the winter months. Completely self-contained and portable the unit runs on 220V, singlephase power, and is UL listed for outdoor use.
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Temp-Air manufactures the Topaz model portable air conditioner. It comes in five models with 14,000 to 83,000 BTU's, and is designed for portability and convenience. The Topaz is simple to install, and is designed to be used on shop floors to office areas. All Topaz units fit through doorways as small as 32 inches wide and some models feature a seven-day, 24-hour programmable temperature control. Temp-Air also manufactures larger portable air conditioners for simple spot cooling or long-term solutions. The air conditioners range in size from 1- to 75-ton units and are available in a variety of fuel options.
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