Does anyone have a recommendation for a solar-compatible 12v fan to mount in their greenhouse to circulate air inside? We have some in the windows to pull air in (2x Amtrak Solar fan), but want to mount some in the ceiling area inside to circulate air.

Example of what I’m looking for (except in 12v): [Greenhouse Fan](https://www.bootstrapfarmer.com/products/greenhouse-circulation-fans?_pos=4&_sid=cb6d9d2a7&_ss=r)

Most of my searches just give me the cheapo car 12v fans and I’m looking for something a little more robust.

Picture of our geodome greenhouse for fun:

https://preview.redd.it/it64c80k2aya1.png?width=1604&format=png&auto=webp&v=enabled&s=852d86c51bdb10b82f24a49620c06c55b3b175fb

by MmmmMinty

3 Comments

  1. Did some quick looking. I don’t see any 12 volt HAF fans available.

    As important as they are, you might need to bite the bullet and get a battery and inverter.

  2. railgons

    So this is kind of a hack, but I did use it for a bit in desperation last summer. Car radiators are 12v and can hook directly up to solar panels. I suppose most people just don’t have those laying around though lol.

  3. Check out Western Harmonics. I haven’t used them personally. But they look very promising

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