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Need help sizing your accessories for your greenhouse kits? Check out or free planning and building a greenhouse guide, or contact Advance Greenhouses.

Fantech Speed Control (5 amps) with On/Off Switch

speed control with on/off switch

$39.95 including shipping to continental US

Quantity:

Fan Control

fan control

Easy to use - plug fan into control receptacle, then plug control into 120v. power supply. Set thermostat to a temperature you want the fan to come on at and that's it! UL Listed. 

$74.95 including shipping to continental US

Quantity:

 

schaefer shutter fans and motorized intakes

This picture is showing a shutter fan on the left and the motorized intake on the right.

Our versatile shutter fan allows you to exhaust air and provide cross-ventilation in small to medium size buildings. Frames and shutters are made of white industrial grade corrosion-proof PVC with UV inhibitors. The powder coated white fan guard supports the moisture resistance motor that will operate at single or variable speed (choose a control to determine speed operation). Cost includes free shipping to continental US.

Model Size CFM HP RPM Volts Amps Rough in size    
Sf1276-1 12" 760 1/30 1550 115 .7 12 5/8" Square $213.00
Quantity:
Sf1612-1 16" 1250 1/10 1725 115/230 .9/.45 16 5/8" Square $268.00
Quantity:
Sf2030-1 20" 3122 1/3 1725 115/230 2.4/1.2 20 5/8" Square $390.00
Quantity:

 

Schaefer's 115 volt motorized intake creates an effective seal against outside air when closed, then, when appropriately wired, opens as the fan turns on to allow fresh air in. Frame and shutters are made of white industrial grade corrosion-proof PVC with UV inhibitors. The corrosion resistant aluminum gear box houses the quiet, long life gear motor. Cost includes free shipping to continental US.
 
Model Size Volts Rough in size    
MI-1200 12" 115 12 5/8" Square $190.00
Quantity:
MI-1600 16" 115 16 5/8" Square $220.00
Quantity:
MI-2000 20" 115 20 5/8" Square $274.00
Quantity:
MI-2200 22" 115 22 3/4" Square $283.00
Quantity:

schaefer thermostat one stage   schaefer thermostat two stage

Schaefer Mechanical thermostats for single or two-speed fan temperature control

The finest most reliable automatic thermostats available. Designed especially for building ventilation systems. Wide temperature range with narrow operating differential. Both single speed, two-stage and two-speed models are available in code approved moisture-proof enclosure. Price includes free shipping to continental US.

Model Type Amp Capacity    
T115 1-speed heating or cooling 120 volt+16 amp $66.00
Quantity:
TH109 2-stage heating, 2-stage cooling or 2-speed cooling 227 volt+10 amp $169.00
Quantity:

 

Motorized Shutter Fan

This 12" shutter fan is quiet and corrosion resistant, UV protected and maintenance free. Place the motorized intake on the end wall opposite the shutter fan. When the fan turns on, the thermostat also opens the shutter to supply air across the length of your greenhouse.

$410.00 Cost includes shipping to continental US

Quantity:

Automatic Roof Vent Opener

Keeping your greenhouse cool is easier with the addition of automatic openers. Adding a louver window opposite the door will also improve airflow.

• Allows for automatic controlling of greenhouse temperature to provide ideal growing conditions, even when no one is at home
• No batteries or electricity required
• May be adjusted for different opening temperatures
• Easily installed; simply replaces existing vent arm
• One-year warranty; average life is several years.

             automatic roof vent opener  

          $ 54.99 includes free shipping to continental US only if ordered with a greenhouse. If ordered separately there will be a shipping charge.

Quantity:

Roof vent opener when ordered without a greenhouse. $64.99 including shipping to continental US.

Quantity:

Adjustable Louver Window/Glass or Polycarbonate
This particular window is designed to go in the Hall's greenhouses only
.
• For increased cross ventilation and more rapid cooling of greenhouse on warm days
• 24" wide x 18" high
• Should be installed down low and opposite the door for optimum airflow
• Can be operated manually or fitted with optional automatic opener

halls louver window

$74.99 includes shipping to continental US

Louver


Quantity:

 

 Highgrove Green Louver Window/Glass or Polycarbonate

Classic green powder-coated finish to match Highgrove greenhouses
 
$124.99 includes shipping to continental US
Glazing


Quantity:
Automatic Louver Opener

• Allows for automatic regulating of greenhouse temperature
• Replaces manual opener on existing louver window
• Adjustable to open at different temperatures
• Works best in combination with automatic roof vent opener

 
 automatic louver opener for greenhouse louver
 
  $64.99 includes shipping to continental US
Quantity:

Circulating fans

 Installing circulating fans in your greenhouse is a good investment. During the winter when the greenhouse is heated, you need to maintain air circulation so that temperatures remain uniform throughout the greenhouse. Without air mixing fans, the warm air rises to the top and the cool air settles around the plants on the floor. Fans help to maintain uniform temperatures, and will reduce heating costs up to 5%. Fans also prevent mildew and plant diseases.

  Small fans with a cubic foot per minute air moving capacity equal to one quarter of the air volume of the greenhouse are sufficient. For small greenhouses, place the fans in diagonally opposite corners, but out from the sides and ends. The goal is to develop a circular (oval) pattern of air movement. Turn the fans off during the summer when the greenhouse will be needed to be ventilated.

clip on circulating greenhouse fan

Air King Clip On Fan

Clip-On Fan, Propeller Diameter 6 Inches, 2 Speed, Airflow 190/90 CFM, 120 Volts, 60 Hz, High Current 0.19 Amp, High Power 12 Watts, Motor Speed 2020/1740 RPM, Sleeve Bearings, Height 11 1/8 Inches, Width 7 3/4 Inches, Length 6 1/4 Inches, White Housing, 18/3 Power Cord Length 6 Feet, Includes Tilting Head, Bright Zinc Finish Fan Guard. UL listed.

Cost is $29.99 including shipping to continental US

Quantity:

air king fan  

AIR KING FANS

The 12 inch Wall Mount fan has a powder coated steel front grill with impact
resistant plastic rear grill and chemical resistant polypropylene blade, 3-speeds and
a 1/50 HP motor. It oscillates 90° or can be locked in non-oscillating position.
The 16 inch Wall Mount fan has a powder coated steel front grill with impact
resistant plastic rear grill and chemical resistant polypropylene blade, 3-speeds and
a 1/20 HP motor. It oscillates 90° or can be locked in non-oscillating position.
The 18 inch Wall Mount fan has a powder coated steel front grill with impact
resistant plastic rear grill and chemical resistant polypropylene blade, 3-speeds
and a 1/20 HP motor. It oscillates 90° or can be locked in non-oscillating position.
All three fans are UL listed. Price includes free shipping to continental US.

Product Description CFM Price
736725 Air King 12", 3 speed wall mount oscillating fan 930/780/620 $79.95  Add to Cart
736730 Air King 16", 3 speed wall mount oscillating fan 1710/1500/1330 $86.95  Add to Cart
736740 Air King 18", 3 speed wall mount oscillating fan 1970/1520 /1170 $104.95 Add to Cart

schaefer circulating fan

Schaefer Circulating Fan

This 8" Schaefer circulating fan is versatile with an adjustable mount which provides for easy ceiling mounting, ceiling suspended or wall mounting. The fan motor is maintenance free and highly energy efficient. It is supplies complete with a 5' power cord. The five wing aluminum fan blade permits gentle air movement. Cost includes free shipping to continental US.

Model Size CFM HP Volts RPM Fan Dimension    
VS8VK 8" 466 1/100 115 1550 9 1/2" deep x 10" wide $149.00
Quantity:

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