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simplextech
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NuHeat Signature Thermostat

Tue Dec 31, 2019 11:26 pm

Is there a driver in the works or planned for the NuHeat Signature thermostat?

This is a Wifi based T-Stat with (unfortunately) a cloud API which requires OAuth. There is a back channel but I haven't gotten full details on it yet. From the Control4 driver site they claim "local" control but in my conversations with NuHeat/NVent they claim it's through the Web API. I don't know I'm too small for them to talk to and care about.

If there isn't a local way of interacting with this T-Stat what is the method for handling OAuth situations within myServer?

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DavidL
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Re: NuHeat Signature Thermostat

Wed Jan 01, 2020 9:06 am

No plan to support that thermostat. Not popular enough.
would have to be a custom driver development.

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Re: NuHeat Signature Thermostat

Wed Jan 01, 2020 10:23 am

DavidL wrote:
Wed Jan 01, 2020 9:06 am
No plan to support that thermostat. Not popular enough.
would have to be a custom driver development.
Nobody has floor heating systems or baseboard heating integrated with myServer? If they do then what T-Stat are they using because "normal" T-Stats don't work with floor or baseboard line voltage applications.

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Re: NuHeat Signature Thermostat

Wed Jan 01, 2020 12:55 pm

Just a thought (and something we have done on systems before) is to use a supported "smart thermostat" (like Venstar). And the Venstar output triggers a high amperage relay that controls the juice to the hungry floor heating system.

Some of these thermostats also allow for secondary thermister connections. We have tied that into the in floor thermister that some systems are installed with.

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Re: NuHeat Signature Thermostat

Wed Jan 01, 2020 1:23 pm

DavidL wrote:
Wed Jan 01, 2020 12:55 pm
Just a thought (and something we have done on systems before) is to use a supported "smart thermostat" (like Venstar). And the Venstar output triggers a high amperage relay that controls the juice to the hungry floor heating system.

Some of these thermostats also allow for secondary thermister connections. We have tied that into the in floor thermister that some systems are installed with.
There are "hacks" of doing this with an Aube relay wired into the baseboard heater then the traditional thermostat wired to the relay to trigger it. Yeah possible but at significant cost as typical baseboard heating and floor heating are point of use with each zone having a thermostat.

Take into account the cost of the thermostat for each room, aube relay, electrical wiring as this should be done professionally otherwise it's a fire hazard and insurance claim issue and now we're into several thousands of dollars for automating climate compared to buying a thermostat that works with line-voltage and can be integrated.

This is why Mysa is so popular but only integrates with HomeKit Locally and then SmartThings and IFTTT (Cloud). StelPro has z-wave and zigbee and Sinope has a line of Zigbee. myServer z-wave is not working with Stelpro thermostat's currently and there's absolutely zero support for Zigbee. NuHeat is the only neutral player being Wifi but is cloud based (which is bad) but can easily be integrated if there's network and a way to process the oAuth handshake.

I have 6 StelPro Z-Wave T-Stats deployed and 1 Nuheat that NuHeat provided for integration with ISY which has been completed via a Polyglot Nodeserver.

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Re: NuHeat Signature Thermostat

Wed Jan 01, 2020 2:55 pm

This is an example of why we recommend that the "system" be designed up front as a "system". And that the control system choice is decision #1. No control system controls everything. As any integrator knows from hard knocks, Install what works.
As a software developer, you could have the capability to write your own driver. And that takes effort.

So, you either pick a control system that works with the thermostat, or you pick a control system that will support a workaround or a different thermostat that will work.

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Re: NuHeat Signature Thermostat

Wed Jan 01, 2020 5:19 pm

DavidL wrote:
Wed Jan 01, 2020 2:55 pm
This is an example of why we recommend that the "system" be designed up front as a "system". And that the control system choice is decision #1. No control system controls everything. As any integrator knows from hard knocks, Install what works.
As a software developer, you could have the capability to write your own driver. And that takes effort.

So, you either pick a control system that works with the thermostat, or you pick a control system that will support a workaround or a different thermostat that will work.
Valid points. As a developer for integrations looking at the installer side of things I'm trying to see how/where things fit into the picture of a dirty world where there are already "things" deployed and other systems and options of displacement or augmentation.

NuHeat is an example, but comes into play with other thermostat's especially the z-wave example which also currently is not supported.

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