Matter/Thread connectivity challenges in a steel-framed modular office?

[portaking]

Hi everyone,

I am currently working on a "Smart Site Office" project where we are deploying a suite of Google Nest devices (Thermostats, Nest Hub Max, and several Nest Cams) inside a detached modular unit.

The structure is a heavy-duty, steel-framed porta cabin with sandwich panel insulation (you can see the specific metal-cladding and structural specs here: https://portaking.pk/).

I’m running into a few hurdles with the "Smart Home" setup in this environment:

Thread/Matter Signal: Since the cabin is essentially a steel box, my Thread-enabled devices are struggling to maintain a mesh connection back to the Nest Hub. Has anyone used a Nest Wifi Pro as a "bridge" placed near a window in a metal building to successfully punch the signal through?

Camera Mounting: We want to mount Nest Cams on the exterior for site security. Given the sandwich panel construction (steel-foam-steel), are there specific magnetic mounts or weatherproof gaskets you recommend that won't compromise the cabin's insulation?

Thermostat Sensor Placement: With the metal walls reflecting heat differently than traditional drywall, where is the optimal spot for a Nest Temperature Sensor to ensure the AC doesn't overwork?

I want this modular office to be a fully automated workspace. Any advice from pros who have done smart integrations in "industrial" or tiny-home structures would be awesome!

Thanks!

[KevinGR]

Hi @portaking,

Thank you for posting in the community. I understand that you need information on how to install various Nest devices in your steel-framed porta-cabin. After attempting the installation, it sounds like you are experiencing some hurdles—specifically with the Thread/Matter signal, Nest Camera mounting, and the Nest Temperature Sensor. Don't worry; I'm happy to help you with this.

Here are some ideas for the optimal functioning of your devices:

• Optimizing Thread Connectivity: Using a Nest Wifi Pro as a bridge is an effective approach. Since Thread is a self-healing mesh, adding more mains-powered devices will strengthen your network. Placing the router near a window is ideal, as 2.4GHz signals pass through glass much easier than steel.
  
  
• Mounting on Steel Walls: Since your walls are metal, you can avoid drilling by using heavy-duty magnetic mounts. While the Nest Cam (battery) includes a magnetic base for the camera itself, you would need a magnetic plate to attach that base to your steel walls without screws.
  
  
• Sensor Placement: Avoid placing the Nest Temperature Sensor on exterior steel walls. Instead, mount it on an interior partition or wooden furniture toward the center of the room.
  
  
• Height: Aim for 5 feet (chest height) to get an accurate average of the room’s air, away from floor-level cold or ceiling-level heat.
  
  
• Sunlight: Keep the sensor out of direct sunlight, as even brief exposure can trick the thermostat into thinking the room is warmer than it is.

I recommend consulting a professional technician to ensure the best installation results.

If you have any other questions or need further assistance, please do not hesitate to reply to this post.

Best regards,

Kevin.