Plain guides to heating, cooling, indoor air and 5G home internet

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5G Home Internet

5G home internet, and the smart home that runs on it

5G home internet brings broadband into the house over a cellular network. Here is how it works, how to check whether it reaches your address, and how to set it up so the thermostat and other devices stay online.

Cell signal in, Wi-Fi out

How it works

  • A gateway picks up the 5G signal and creates Wi-Fi in the house
  • No cable or fiber line has to reach the building
  • Speeds rise and fall with the signal and the load on the network
  • Some plans fall back to 4G LTE where 5G is weak
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Status lights on a home internet gateway, one marked for mobile signal

Address by address

Checking availability

  • Enter your exact address on each provider’s own site
  • The FCC National Broadband Map shows what providers report
  • Ask neighbours what signal and speed they actually get
  • Availability can differ between houses on the same street
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A white cellular antenna mast against a pale sky

Placement matters

Setting it up

  • Place the gateway high up and near a window
  • Use the provider’s app to find the strongest spot
  • Keep it away from metal, mirrors and large appliances
  • Add a mesh point for rooms the gateway cannot reach
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A black router and a white mesh Wi-Fi point on a table

Keeping them connected

Smart devices

  • Devices join the gateway’s Wi-Fi, not the 5G network
  • Many smart home devices need the 2.4 GHz band
  • Keep the same network name when you switch gateways
  • A list of device logins saves time when you reconnect
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Small white smart home devices laid out on a grey surface

Good to know

Wi-Fi does the work, not 5G

Smart thermostats and most other home devices connect through Wi-Fi. The 5G connection is the home’s internet service, carried to a gateway that turns it into Wi-Fi, so a strong signal at the gateway and good Wi-Fi at each device both matter.

Checklist

Questions for a 5G home internet provider

Address Is service available at my exact address today?
Priority Is there a data limit, or lower priority when the network is busy?
Trial Can I test it at home and return the gateway?
Bands Does the gateway broadcast 2.4 GHz for older devices?
Antenna Is an outdoor antenna or a better spot an option?

Keep reading

Related pages

AC units, furnaces, heat pumps, installs

Heating & Cooling Systems

Repairs, inspections, replacements

HVAC Maintenance & Repairs

Filtration, humidity, ventilation

Indoor Air Quality

Plan a smarter home climate

Heating 5G internet
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