You don t need to hook up everything with wires though.
Router in attic.
As for the routers they do tend to run warm but not crazily so so i can see your point about not bothering with any special cooling solution.
I have two routers in my house one of which is in the attic.
I put it in the attic because i needed a wifi signal on my back patio and placing the router at a particular place in the attic is what gave me the strongest signal on the patio.
Put it in a central location.
The one in the attic has been going strong for 2 plus years.
If you can run an ethernet cable from the router up to an attic for example then you can attach a second router or a wireless access point.
From the front lines.
Place the router in a higher position.
Instead it s more like ripples in water with the router.
Although ripples on a pond are a good way to.
Choose an access point.
An access point lets you keep the router in a back room and still get great internet where.
Should you place your router in the attic.
Attics can get warm in summer but unless you re living on the equator or something i can t see that it would be a big problem.
If your home is exceptionally large and you need coverage everywhere consider either wi fi range extenders or for a more seamless experience a mesh wi fi system.
Where to place your router for the best wi fi signal.