Exaco Exhaust Fan System
Price range: $325.00 through $940.00
Features
- Supports better climate control during warmer weather with fast, active ventilation
- Can exchange the air inside the greenhouse in as little as 1 to 3 minutes
- CFM by fan size: 12″ — 1,006 CFM | 16″ — 1,438 CFM | 20″ — 3,126 CFM
- Best paired with an intake shutter vent to bring fresh air across the structure as warm air is exhausted
- Optional thermostat allows the system to respond automatically based on the temperature you set
- Helps remove built-up heat and stale air to create a healthier, more balanced greenhouse environment
What's Included
Varies by option selected.
Exhaust fan
- Exhaust fan unit
- Pre-wired 9′ plug-in cord
- 110V connection
Optional intake shutter vent
- Intake shutter vent
- Pre-wired 9′ plug-in cord
Optional thermostat
- PECO TF115P-002 thermostat
- Pre-wired cord
Dimensions
Exhaust fan — rough opening required
- 12″ fan: 12 1/4″ x 12 1/4″
- 16″ fan: 16 1/4″ x 16 1/4″
- 20″ fan: 20 1/4″ x 20 1/4″
Intake shutter vent — rough opening required
- 16″ vent: 16 1/4″ x 16 1/4″
- 20″ vent: 20 1/4″ x 20 1/4″
- 24″ vent: 24 1/4″ x 24 1/4″
Compatability
Compatible with any greenhouse. For glass greenhouses, a Lexan panel is required — add a note at checkout or email us.
Not sure which size you need? Use our CFM calculator to find the right fan for your greenhouse.
Secure Checkout
Nationwide Delivery
Veteran-Owned
Real Greenhouse Owners
Personalized Planning Help
Description
The Exaco Greenhouse Exhaust Fan System is a practical way to take more control over heat, humidity, and stale air inside the greenhouse. Instead of relying only on passive ventilation, it actively moves hot air out and helps draw fresh air through the structure, creating a healthier and more productive growing environment. That added airflow can help plants stay under less stress, improve overall air movement through the house, and even support pollination for crops that benefit from it.
For the system to work well, the setup matters. The exhaust fan should be installed higher up, where hot air naturally collects, while the intake shutter vent should be placed lower on the opposite side so cooler air is pulled across the greenhouse. If you are using this as your main active ventilation setup, it is also often best to disengage automatic roof vents so the fan draws air through the intended intake opening rather than pulling from the closest source. Add the optional thermostat, and the system becomes even more hands-off by turning on based on the temperature you set.
Not sure which size you need? Use our CFM calculator to find the right fan for your greenhouse.
Which fan size do I need?
That depends on the size of your greenhouse. The easiest way to find out is to use our CFM calculator — just enter your greenhouse dimensions and it’ll tell you which fan size fits your setup.
What intake shutter vent size Do I get with my fan?
If you choose an intake vent with your exhaust fan, it is automatically paired with the right size. The intake should be about 1.5 times larger than the exhaust fan opening. That means a 12″ fan comes with a 16″ vent, a 16″ fan comes with a 20″ vent, and a 20″ fan comes with a 24″ vent.
Where should I install the fan and the intake vent?
Mount the exhaust fan high on one side of the greenhouse, where heat naturally collects. Place the intake vent lower on the opposite end of the greenhouse so cooler outside air gets pulled across the length of the greenhouse before exiting.
Should I disable my automatic roof vents when using the exhaust fan?
Yes, if this is your main active ventilation setup. If the roof vents are open, the fan will pull air through the closest opening rather than drawing it across the full length of the greenhouse, which reduces how effective the system is.
Do I need the thermostat?
You don’t have to have it, but it makes the system a lot more hands-off. Without it, you control the fan and intake manually. With it, the intake vent opens and the fan kicks on automatically when the temperature inside reaches the level you set.
Can this fan be installed in any greenhouse?
Yes — it’s not brand-specific and can be fitted into any greenhouse. You’ll need to cut an opening in the wall panel to mount it, so make sure you select the right size for your structure before installing.
If you have a glass greenhouse, tempered glass can’t be cut safely, so a Lexan panel is used in its place — you’d remove the glass panel, cut the Lexan to fit, and install the fan or intake through that. We can include a Lexan panel with your order, just leave us a note at checkout or send us an email before ordering.
Reviews
Related products
-
Janssens Louver Window
Price range: $524.00 through $643.00 Select options This product has multiple variants. The options may be chosen on the product page -
Drop Door Kit for Janssens Greenhouses
$100.00 Select options This product has multiple variants. The options may be chosen on the product page -
Janssens Spindle Opener
Price range: $149.00 through $238.00 Select options This product has multiple variants. The options may be chosen on the product page -
Janssens Automatic Opener
Price range: $95.00 through $169.00 Select options This product has multiple variants. The options may be chosen on the product page