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Honeywell RTH9580WF & ISY?


smokegrub

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I read the entire thread regarding the prospects for integration of the RTH9580WF into the ISY and can't discern what the status of this is. I have two of these thermostats and, for the most part, they do what I need them to do using my Mac and iPhone. However, management my ISY would further enhance their ease of use and power. Could someone fill me in on where things stand?

 

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My recollection is that there were 3 difficulties with Honewell wifi thermostats

  1. Its a cloud only API.  If there are difficulties with their services or the internet, control is lost. Depending on the type of control, this might not be a problem. With what I have automated, I would be uncomfortable with that.
     
  2. They have not formally released their API to the public, rather specific software companies. Some smart enthusiasts have "reversed engineered" the API, not something Honeywell will want to support. I believe that this is still true, its bee a while since I read about it. There are different APIs for the RTH and other models

    Solutions that allow functionality via RPi programs, etc, are web page scraped and ultimately the solution breaks, unannounced, if honeywell changes their mind on a technical approach.
     
  3. UDI as a company directly supports no Wifi thermostats that I am aware of. The do support native insteon thermostats, zwave thermostats and some zigbee thermostats. There are developers have developed solutions to integrate wifi thermostats with the ISY, but these solutions usually involve running a server . Another route is IFTTT, but I don't know if that would be 2 way communication, or command only

Not the answer you wanted, but I don't believe this is on the near horizon.

 

Paul

Edited by paulbates
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You may want to look at my review regarding Honeywell thermostats over here Thermostat Features http://forum.universal-devices.com/index.php?/topic/17816-Thermostat-Features - specifically my post #24 - there is also another Honeywell thread to discuss this too.

 

Bottom line there is no direct APIs available for Honeywell and if you want control its only one way via IFTTT right now (outside the actual Honeywell app).

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My recollection is that there were 3 difficulties with Honewell wifi thermostats

  1. Its a cloud only API.  If there are difficulties with their services or the internet, control is lost. Depending on the type of control, this might not be a problem. With what I have automated, I would be uncomfortable with that.

     

  2. They have not formally released their API to the public, rather specific software companies. Some smart enthusiasts have "reversed engineered" the API, not something Honeywell will want to support. I believe that this is still true, its bee a while since I read about it. There are different APIs for the RTH and other models

     

    Solutions that allow functionality via RPi programs, etc, are web page scraped and ultimately the solution breaks, unannounced, if honeywell changes their mind on a technical approach.

     

  3. UDI as a company directly supports no Wifi thermostats that I am aware of. The do support native insteon thermostats, zwave thermostats and some zigbee thermostats. There are developers have developed solutions to integrate wifi thermostats with the ISY, but these solutions usually involve running a server . Another route is IFTTT, but I don't know if that would be 2 way communication, or command only

Not the answer you wanted, but I don't believe this is on the near horizon.

 

Paul

 

Understanding this is a little above my grade but I had thought Polyglot allowed communication directly with networked devices?

 

 

Jon...

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Understanding this is a little above my grade but I had thought Polyglot allowed communication directly with networked devices?

 

 

Jon...

 Jon-

It would have to be programmed in python. Polyglot enables python code to interface with the ISY. On the other side, there would need to be an API from python to the thermostat. That's the missing link for this product line, AFAIK.

 

Paul

Edited by paulbates
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 Jon-

It would have to be programmed in python. Polyglot enables python code to interface with the ISY. On the other side, there would need to be an API from python to the thermostat. That's the missing link for this product line, AFAIK.

 

Paul

 

To summarize then... If UDI had the Honeywell API there is the possibility of localized control using ISY (goes for any networked device having the API thus avoiding the cloud?) 

 

 

Jon...

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Thanks for the feedback. I have emailed Honeywell with the recommendation that they provide the ability for the ISY to integrate with the subject thermostat. It will be interesting to see if I get a response. If I do, I will post it.

Edited by smokegrub
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Thanks for the feedback. I have emailed Honeywell with the recommendation that they provide the ability for the ISY to integrate with the subject thermostat. It will be interesting to see if I get a response. If I do, I will post it.

 

I'd put my name on that petition too.  I've got 5 of these thermostats.  

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Thanks for the feedback. I have emailed Honeywell with the recommendation that they provide the ability for the ISY to integrate with the subject thermostat. It will be interesting to see if I get a response. If I do, I will post it.

 

I can promise you you'll get none.  I tried to get API about half a dozen times and they just ignore.

 

On a related note, I'll have initial support for "Total Connect Comfort" thermostats in NodeLink by the end of the weekend.  Initially it will just be to send data to the ISY.  After that I'll add stat control.

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Thanks for the feedback. I have emailed Honeywell with the recommendation that they provide the ability for the ISY to integrate with the subject thermostat. It will be interesting to see if I get a response. If I do, I will post it.

I have done that many times and have never heard back. I also requested to become a dev to get access to the apis, no response. I have made at least two dozen calls to various departments and talked to many people to get no where. I grabbed an ear of them at CES and CEDIA and gotten names and emails to contact which I have done, to guess what...NO RESPONSE!

 

There are vera edge plugins that scape the TCC website which is basically a hack. If the site changes then it goes down and doesnt work. I even asked in another thread if anyone was willing to chip in and pay for a dev to help us setup a similar hack for the ISY but everyone flaked when it comes to putting up money or cheapskates. I would be willing to keep pushing this but how much is this worth to you and if you lost access and we cant fix it how upset would you be? $100 each of us to hire a dev? How many would be in? Thoughts?

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I can promise you you'll get none. I tried to get API about half a dozen times and they just ignore.

 

On a related note, I'll have initial support for "Total Connect Comfort" thermostats in NodeLink by the end of the weekend. Initially it will just be to send data to the ISY. After that I'll add stat control.

So heres a stand up guy willing to take the project on for us! Lets give him some $$ so it makes it worth his time!

 

THANKS IOGUY! Ill donate $100 to you for this.

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Damn, now I will have to reconsider this one! I'm looking for a replacement in our vacation home and had ruled this out because of no ISY access.

 

Sent from my Nexus 6P using Tapatalk

 

Stick with the Venstar 7900 if you can. This is just a webscrape and could stop working at any time. A Venstar T7900 will be better for most with a local API.

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My units occasionally say they have lost their wifi connection and then later pick it back up (2 of 5 do it quite a bit and it seems to be location specific not thermostat specific).  At some point I hope to find a spectrum analyzer to borrow to test why.

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Stick with the Venstar 7900 if you can. This is just a webscrape and could stop working at any time. A Venstar T7900 will be better for most with a local API.

OK, if it is just a webscrape I will probably go with the 7900, that was the one I was considering. I really want one with its own Internet access, and ability to control with the ISY, since the house is a 4 hour drive I wanted both in case one fails.

 

Sent from my Pixel C using Tapatalk

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Hello everyone,

 

Honeywell is the only company that actually approached us to add support for their WiFi thermostats (Comfort API) and even sent us a thermostat immediately! Since the solution is cloud based, we are going to have to use the ISY Portal. This said, we are going to working on it shortly and as soon as 5.0.3 is available.

 

With kind regards,

Michel

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Damn, now I will have to reconsider this one! I'm looking for a replacement in our vacation home and had ruled this out because of no ISY access.

 

For ISY994 integration, I went with the Z-Wave enabled Honeywell YTH8320ZW1007/U,    For local control the UI is almost identical to the older Honeywell touch screen thermostats, and remote control via ISY994iZ is very easy and has been reliable.

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Hello everyone,

 

Honeywell is the only company that actually approached us to add support for their WiFi thermostats (Comfort API) and even sent us a thermostat immediately! Since the solution is cloud based, we are going to have to use the ISY Portal. This said, we are going to working on it shortly and as soon as 5.0.3 is available.

 

With kind regards,

Michel

Damn, how did I miss this post! So now I am considering sending back my T7900 that I just received and getting the Honeywell.

 

Sent from my Nexus 6P using Tapatalk

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Hello everyone,

 

Honeywell is the only company that actually approached us to add support for their WiFi thermostats (Comfort API) and even sent us a thermostat immediately! Since the solution is cloud based, we are going to have to use the ISY Portal. This said, we are going to working on it shortly and as soon as 5.0.3 is available.

 

With kind regards,

Michel

 

Yeah!  I feel better now about the 5 units I bought a few months ago (before I decided to get into home automation).

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