Smart Home & Tech · Wi-Fi and networking
How to choose a router for a two-story home
Choose a router by the floors and the wires you can run, not by a single “coverage up to” number on the box.
What to compare
For two floors, compare three facts on the specification sheet: whether you can add a second unit with an Ethernet backhaul, how many Ethernet ports the main unit has, and whether smart-home devices can stay on 2.4 GHz while laptops use 5 or 6 GHz. Ignore square-foot claims that assume an open field.
Who this is for
People replacing a single router in a two-story house or townhouse. Apartment renters who cannot pull cable should read the dead-zone guide and favor a node near the center of their own unit.
Selection steps
- Count floors and note the room where the modem must stay.
- If you can run one Ethernet cable upstairs, buy a system that supports wired backhaul and put the second node upstairs.
- If you cannot run cable, a mesh system can still help, but the nodes need to hear each other. Do not hide a node in a far bedroom.
- Leave at least one free Ethernet port for a desktop or an access point later.
Use the coverage planner only as a rough node count, then confirm with a walk test.
Limits
This is a specification framework. It is not a test of any brand. ISP-supplied gateways sometimes cannot be put into bridge mode. Ask the provider before you add a second router and create two networks by accident.
Questions readers ask
Does Wi-Fi 6 or 7 fix a two-story house by itself?
Newer Wi-Fi uses airtime better when many devices are close. It does not walk through floors. You still need placement or a second node.
Sources and methodology
Claims that depend on an outside authority are tied to the references below. Product details change. Confirm the current specification sheet before you buy or install anything.
- Understanding wireless routers — FCC (government), accessed September 20, 2026. Used to separate the router’s job from the internet plan.
Parent topic: Smart Home & Tech · Related tool: Wi-Fi coverage planner