Smart window fan that can work in conjuction with temp sensors / and or thermostat. For example, instead of running the AC to cool the inside temp to 70°, automatically pull air from outside-in if the outside temp is at or below the desired target temp.
Requested features: (aside from normal iot connectivity)
Automatic louvers to seal off the window when not in use.
Reversible fan direction
Easy clean
Optional filter?