Outdoor Enclosure for Portable Generator





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Published on Feb 20, 2012

More info here -


Easy to make Genset Enclosure from a -

Suncast GS2500 Horizontal Shed

Fantech 2SHE1021 10" Shuttered Fan (the 12" is cheaper on Amazon right now and I would highly recommend it over the 10")


Attic Vents for the intake

Exhaust is made from 3" ducting. Have an end cap with a hole cut through just big enough for the small section of tube exiting the muffler and a round magnet inside the cap keeps it firmly attached.

Exits out the side of the generator with a 4" dryer vent. I put some fiberglass in between the flexible 3" and 4" vent to stop the outside getting too hot and melting the plastic on the shed.

I also added a wireless thermometer to keep an eye on the temperature inside, I have a 120 degree normally open bi-metal switch I added to this.


So far the hottest it's got inside was 100 degree's last summer when it was 80 outside. You should double check with the manufacturer to find the max operating temperature of your generator.

Sound is reduced quite a bit and its protected from the elements.

I made a followup video showing the parts and assembly of the exhaust setup -


The Attic Vent is -

Master Flow 2 in. Resin Circular Mini Wall Louver Vent in White (6-Pack)

Model # RLSC2 Internet # 100090036 Store SKU # 388719


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