Greenhouse Unit Heaters Redefined
The revolutionary tubular heat exchanger inside the Lennox LF-24 series of greenhouse heaters ensures you years of performance and high efficiency. Combustion is precise because of special "in-shot" burners and fan assisted exhaust. Equipped with a TrueLeaf Combustion Air Separator, it's bullet-proof.



Sial AirFarm

Direct-fired heaters

No heat exchanger means 99% efficiency and less to go wrong!

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Greenhouse gas fired heater! 99% EFFICIENT

Features:

  • Safety features: overheat limit control, thermocouple flame
  • All stainless steel construction sensor, inlet airflow pressure switch
  • Water/dust proof electric box
  • Optional remote thermostat availabl e or control by computer
  • Burns fuel ultra clean
  • High fan capacity: 3,500 cfm
  • Fuel: Propane and natural gas optimized
  • Low noise helicoidal fan for peak performance
  • Fan can be used alone for air circulation
  • Fan failure warning light
  • Use for CO2 dosing
  • Multiple units can start up sequentially to prevent overload
  • Hooks for hanging and mounting from greenhouse

Developed and produced in Italy with state-of-the-art manufacturing technology.

AirFarm offers a direct-fired system that is designed specifically for greenhouse applications.

Specifications AirFarm 330 AirFarm 430
Heat Output Max Btu/h 347,349 Btu/hr. 426,897 Btu/hr.
Air Output ft³/min 3,237 3,535
Motor Draw Watts 750 750
Amp Draw 6 6
Gas Pressure psi (inlet) .29 (8” W.C.) .29 (8” W.C.)
Voltage V-Hz 220-60 1 ph. 220-60 1 ph.
Weight lb 148 148
FlueØ 6 in. 6 in.
Weight 130 lb. 227 lb.
Dimensions (LxWxH) in 54x26x24 54x26x24
Air Outlet Dia. in 15 15
Sial is a registered trademark


Please complete the TrueLeaf Heating Proposal Questionnaire and we’ll engineer the best system for you using one or a combination of all TrueLeaf’s innovative heating products.
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