this post was submitted on 16 Nov 2025
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How would I make a HVAC simulator to see what a thermostat would do if the indoor temp was 425°F (frozen pizza cooking temps) (reddthat.com)
submitted 5 days ago* (last edited 5 days ago) by batvin123@reddthat.com to c/askelectronics@discuss.tchncs.de
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I bought a nest gen 2 thermostat to play with a open source project that revives old nest thermostats (https://nolongerevil.com/). Since I don't want to install it into the home, because it will be a toy. I was thinking of building a test rig using a arduino or esp32 to simulate a HVAC and indoor temperature. I'm IT guy, not a HVAC guy, I think this would be a good learning project. Any suggestions?

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[–] Kolanaki@pawb.social 12 points 5 days ago (2 children)

At those temps I can take a pretty good guess as to what it would do:

Melt.

[–] cmnybo@discuss.tchncs.de 5 points 5 days ago

That's right around the melting point of some types of lead free solder.

[–] batvin123@reddthat.com 1 points 5 days ago (2 children)

Yeah I want to simulate the temperature readings. No blow torches or extreme heat preferred.

[–] Kolanaki@pawb.social 1 points 5 days ago* (last edited 5 days ago)

Any particular reason? Just for funsies?

Cuz I mean, if you really want to measure oven temps you can get thermometer probes that can withstand that kind of heat to make sure your food is at temp. No simulation required.

Of course if it's just an engineering project to learn more about building the device that isn't gonna help lol

[–] batvin123@reddthat.com 1 points 5 days ago

It would be fun to torch a google device while laughing psychotically.