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This attic fan has the potential to be the absolute easiest to install. If you have a louvered wall vent in you attic that is bigger than 18 by 18 inches, you can just mount this to the unfinished attic wall with screws or nails right over the opening. The back draft plate will stop any air from blowing back into the attic. Then just run power to it set the thermostat and you’re done. If you do not already have a louvered wall vent in your attic wall or if it is too small then you will need either a roof mounted fan or one of our gable fans with shutters.
This fan covers up to 3200 square feet of attic floor and requires other static intake vents that add up to 900 square inches of net free intake area.
There is no weather proofing with this fan; all that should be in place already. You should already have a louvered vent in the wall that is rain proof and there should be a screen over it to stop birds from building nest. (It is best if the screen over the outside or tight to the top inside edge of each louver so the birds cannot start a nest.) All the Jet Fan components are American made. The Jet Fan electric motor is quieter and will last over ten years even if you never oil it. It has thermal protection for added safety, and has a capacitor for added life and efficiency. In fact it takes ½ the power of other attic fans with similar capacity. An accurate snap action thermostat (included) turns the Jet Fan on and off automatically and a firestat (included) shuts the fan off in the event of a home fire. Higher quality parts are what make the Jet Fan better, quieter and maintenance free. Jet Fan's limited warranty, covers 100% of the cost of parts for 2 years and is pro-rated from installation date down to a 15% discount after 8 years which applies for as long as you own the home where the fan was originally installed" If you live in the Chicago area and we installed it for you, the same warranty discounts apply to the installation labor that Jet Fan Installations performed for you.
We are intentionally keeping our inventory low with all of our fans so order now to make sure you get one before things really start to heat up.
The Jet Fan can also help when there is an unexplained humidity problem in the attic. Humidity can cause frost and ice to accumulate on the roof-framing members and eventually cause mold, mildew and rot to damage your home's framing. An optional humidistat turns the fan on and off regardless of temperature whenever the relative humidity is too high in the attic. For more information or to buy a humidistat click here.
Jet Fans come in three different sizes. This model 747 is intended for very large attics. Be sure to check your intake ventilation so your attic ventilation system is balanced with maximum cross-flow through the attic.
This model 747 is quieter than other gable fans of this size because it has rubber isolation where the motor brackets attach to the housing. Any vibration does not get transmitted into your homes wall so you can't hear it in rooms below unless you really listen for it.