Hello Lelia,

1.
Let me state that neither James nor I are H/VAC professionals so neither of us 
can speak to your Sensi Smart Thermostat compatibility question with any degree 
of certainty.

2.
Smart thermostat to specific H/VAC compatibility goes far beyond the scope of 
this thread.

3.
I strongly suggest that you contact an H/VAC professional, in your local area, 
for detailed compatibility questions.

4.
You may contact Sensi customer support at:  888-605-7131 to ask general Sensi 
Smart Thermostat to H/Vac compatibility  questions.

5.
If you discover that the Sensi Smart Thermostat is not compatible with your 
H/VAC system, remember that there are a lot of accessible smart thermostats on 
the market.  We had some wonderful suggestions from a lot of people, on this 
thread, so it may be just a matter of doing some research in order to determine 
which smart thermostat is right, for you.

Good luck,

Mark

-----Original Message-----
From: viphone@googlegroups.com <viphone@googlegroups.com> On Behalf Of Lelia 
Struve
Sent: Thursday, January 12, 2023 2:31 PM
To: viphone@googlegroups.com
Cc: vipho...@googlegroups.com
Subject: Re: An Alexa Compatible Thermostat, Anyone?

hi James and all, here is my deal, I have both a heater on one wall and swamp 
cooler.  So my propane heater and swamp cooler are of course separate.  Would  
I be able to use this thermostat?  If yes, I think you both said it is easy to 
change temperature? How?

Lelia 

Sent from my iPhone

> On Jan 8, 2023, at 5:20 PM, M. Taylor <mk...@ucla.edu> wrote:
> 
> Hello All,
> 
> Okay, as my final follow up to this thread, I did some research and 
> discovered the following general facts:
> 
> 1.
> The C cable is also referred to as a Common cable.  This is what my installer 
> called it which is why I got a bit confused when writing about it, here , 
> on-list.
> 
> 2.
> Many Smart Thermostats require a C cable because they have a touch screen 
> which requires more power than a mere non-touch screen digital display.
> 
> 3.
> Generally speaking, if a home was built in the last 40 years or so, it will 
> have a C cable available, in the wall.
> 
> 4.
> If a home does not have a C cable, there are several alternatives including 
> using a phone cable as a C cable or, more simply, purchasing a very 
> inexpensive (less than $100) C cable conversion kit from Amazon,  that simply 
> splits one of the H/VAC cables so that a C cable can be attached to the 
> required terminal on the Smart thermostat.
> 
> 5.
> The Sensi Smart thermostat I purchased, while having a digital display, is 
> not a touch screen so batteries can be used to power the display if one does 
> not have a C cable readily available.
> 
> 6.
> On my model, one can disable the physical buttons via the Sensi iOS app, to 
> prevent others from controlling the thermostat.  While I have no need to do 
> this, I can easily imagine several scenarios in which one might want to lock 
> the thermostat.
> 
> 7.
> For those of us who are low vision, from within the Sensi app, the backlight 
> of the thermostat display can be set to, on, so that it can be used as a kind 
> of nightlight.  I am finding this feature most useful.
> 
> 8.
> On the model I purchased, one can see and control the humidity as well as the 
> temperature.
> 
> Okay, I think that is all I can contribute to this thread.
> 
> Mark
> 
> -----Original Message-----
> From: M. Taylor <mk...@ucla.edu>
> Sent: Friday, January 6, 2023 10:48 PM
> To: 'viphone@googlegroups.com' <viphone@googlegroups.com>
> Cc: 'vipho...@googlegroups.com' <vipho...@googlegroups.com>
> Subject: RE: An Alexa Compatible Thermostat, Anyone?
> 
> Hello Chris,
> 
> Yes, that is exactly what it means.  One would have to remove the device from 
> the wall plate in order to replace the batteries.
> 
> However, this should not be a deterrent as I suspect that one would only need 
> to change the batteries once a year, if that often.
> 
> Given the level of device detail that Apple Home Kit provides, I would not be 
> surprised if it reported device battery level.  Again, I do not know since I 
> did not insert any batteries into my unit.
> 
> I will admit that, now that I've gotten the unit working with Siri, I find 
> myself using Siri rather than the physical buttons to control the thermostat 
> (smile).
> 
> I will force myself to use the buttons on the device, at least once a week, 
> so that I continue to be comfortable doing so.
> 
> Mark
> 
> 
> -----Original Message-----
> From: viphone@googlegroups.com <viphone@googlegroups.com> On Behalf Of 
> Cris Ali
> Sent: Friday, January 6, 2023 3:06 PM
> To: vipho...@googlegroups.com
> Cc: viphone@googlegroups.com
> Subject: Re: An Alexa Compatible Thermostat, Anyone?
> 
> Thanks Mark. I did not get the point of having to install batteries before 
> attaching to the base. Does that mean you have to take the thermostat off its 
> base each time you need to change the battery? Does the app have a battery 
> meter to let you know if the battery is weak?
> Cheers,
> 
> Sent from my iPhone
> 
>> On Jan 6, 2023, at 12:06 PM, M. Taylor <mk...@ucla.edu> wrote:
>> 
>> Hello Chris,
>> 
>> This particular thermostat has a terminal for a grounding wire but I do not 
>> know if one is required.  I think not. 
>> 
>> While not wanting to get off-point, I will  say that I  suspect that many 
>> thermostats, in order to be widely compatible, allow for a great many 
>> installation options.
>> 
>> For example, in the setup manual, for this model, it instructs the installer 
>> to insert 2 batteries into the unit before attaching it to the bass, that 
>> should already be mounted onto the wall.  However, this unit, has a 
>> terminal, on the back, for a power cable.  It's not actually called a power 
>> cable but I cannot remember the actual name of the cable.   if one has such 
>> a cable already built into the house, as does mine, then batteries are not 
>> necessary.
>> 
>> I had a professional installer switch out my old thermostat for the new one. 
>>  He did it in seconds and did not need to read the installation setup guide. 
>>  These setup guys are written for the non-professional user, in most cases.
>> 
>> Mark
>> 
>> -----Original Message-----
>> From: vipho...@googlegroups.com <vipho...@googlegroups.com> On Behalf 
>> Of Cris Ali
>> Sent: Friday, January 6, 2023 8:09 AM
>> To: vipho...@googlegroups.com
>> Cc: viphone@googlegroups.com
>> Subject: Re: An Alexa Compatible Thermostat, Anyone?
>> 
>> Does it require a C wire? Some smart thermostats require C wire to be 
>> installed.
>> 
>> Sent from my iPhone
>> 
>>>> On Jan 6, 2023, at 2:20 AM, M. Taylor <mk...@ucla.edu> wrote:
>>> 
>>> Hello James and Everyone,
>>> 
>>> I purchased the Sensi model st55 Smart Thermostat 2 days ago and had it 
>>> installed early this morning.
>>> 
>>> In a word, it is amazing.  The physical buttons are easy-to-use and allow 
>>> for complete use of the thermostat just as was my old unit.  
>>> 
>>> I did not configure the wireless settings until late this evening because 
>>> the buttons work so well.
>>> 
>>> However, I now have the device setup to work with either Alexa or Siri.  
>>> And of course, one can use the Sensi app which is remarkably VoiceOver 
>>> accessible.
>>> 
>>> Now I will tell you that the Apple Home Kit setup was a thousand times 
>>> easier than was Amazon Alexa.  In fact, for the first time, I was truly 
>>> disappointed with Alexa because, in my opinion, not only would a blind or 
>>> low vision person be hard pressed to configure the unit without sighted 
>>> assistance, but the process is unintuitive and convoluted.  In addition, at 
>>> the time of this writing, one cannot setup Alexa with the device until one 
>>> uses the Sensi app to create an external account, etc.  Ridiculous.
>>> 
>>> Apple Home Kit, on the other hand,  was fast, simple, and could easily be 
>>> configured by a totally blind person as long as the person had the security 
>>> code which is included on a sheet of paper located inside the package.  The 
>>> best part?  One does not need to install the third-party Sensi app in order 
>>> to be up and running in minutes.
>>> 
>>> I have decided to use Siri to run the thermostat as doing so is intuitive 
>>> and works flawlessly from all of my Apple devices including my Apple Watch.
>>> 
>>> I think the Sensi people must love Apple because, if one did not want to 
>>> configure Home Kit, manually, to work with the device, one only has to 
>>> point iPhone camera to a QR code located in the packaging which 
>>> automatically launches Home Kit and begins the configuration process.  Most 
>>> impressive, to say the least.
>>> 
>>> While I love Alexa, this round definitely goes to Siri.
>>> 
>>> Thank you all for your contribution to this thread and, like James, I 
>>> definitely recommend this $80 unit to anyone who is in the market for a new 
>>> thermostat, WiFi enabled or not.
>>> 
>>> Mark
>>> 
>>> 
>>> From: viphone@googlegroups.com <viphone@googlegroups.com> On Behalf 
>>> Of James Bentley
>>> Sent: Tuesday, December 27, 2022 7:26 PM
>>> To: viphone@googlegroups.com
>>> Subject: RE: An Alexa Compatible Thermostat, Anyone?
>>> 
>>> I’ve had a Sensi model st55 for 2 years now.Be sure you get this cheaper 
>>> $80.00, model available from Amazon.  It has buttons that control selecting 
>>> heat or air conditioning and changing the temperature and more.  It also 
>>> works with Alexa and there is an app for I Phone and I think, Android.
>>> Note, the more expensive model is flat screen only.  No buttons.  The 
>>> buttons are important for a blind person to use the thermostat in case your 
>>> internet goes down.
>>> 
>>> The $80.00, thermostat with buttons is model ST55.  Here is an Amazon link.
>>> 
>>> https://www.amazon.com/dp/B01NB1OB0I/ref=redir_mobile_desktop?_encod
>>> i
>>> n
>>> g=UTF8&aaxitk=16b53869f5473df1c2e96eaa091b5ae3&hsa_cr_id=18656750604
>>> 0
>>> 1
>>> &pd_rd_plhdr=t&pd_rd_r=a4851b0d-8d87-4199-8c2b-32c4437daff2&pd_rd_w=
>>> 8 k n92&pd_rd_wg=ViTHK&ref_=sbx_be_s_sparkle_mcd_asin_0_bkgd
>>> 
>>> 
>>> HTH,
>>> 
>>> James B
>>> 
>>> From: mailto:viphone@googlegroups.com 
>>> <mailto:viphone@googlegroups.com> On Behalf Of Wayne Scott
>>> Sent: Tuesday, December 27, 2022 3:48 PM
>>> To: mailto:viphone@googlegroups.com
>>> Subject: Re: An Alexa Compatible Thermostat, Anyone?
>>> 
>>> I highly recommendthe Sensi thermostat. It works with both Alexa and 
>>> iPhone.  
>>> Wayne Scott
>>> 
>>> 
>>>> On Dec 27, 2022, at 2:23 PM, Katrina Anderson 
>>>> <mailto:kanderson8...@sbcglobal.net> wrote:
>>> My Honeywell programmable thermostat has buttons around the visual 
>>> display.  I am able to do some basic things without the Internet, app or 
>>> Alexa, but since I am totally blind, I have to rely on good notes (not 
>>> enough space for braille labels).  I am very pleased with this thermostat, 
>>> and what is especially cool is that I had nothing to do with selecting it.  
>>> The thermostat was selected/installed by the company/workers who installed 
>>> a new furnace and AC 7.5 years ago.  In case it would prove helpful, 
>>> details about my thermostat follow:
>>> Honeywell Thermostat Model and/or Serial #:  Focus Pro TH6320WF 
>>> Above based on the Model 6000
>>> 
>>> Katrina
>>> -----Original Message-----
>>> From: mailto:viphone@googlegroups.com 
>>> <mailto:viphone@googlegroups.com> On Behalf Of Sieghard Weitzel
>>> Sent: Tuesday, December 27, 2022 2:58 PM
>>> To: mailto:viphone@googlegroups.com
>>> Subject: RE: An Alexa Compatible Thermostat, Anyone?
>>> 
>>> Honeywell T9 or T10 would probably be my choice, we have a Honeywell T5 
>>> which has long since been discontinued, but it works well although it is a 
>>> touch screen thermostat so if for some reason your internet goes down you 
>>> would have a hard time setting anything on it, but I believe many smart 
>>> thermostats would be the same way.
>>> 
>>> 
>>> -----Original Message-----
>>> From: mailto:viphone@googlegroups.com 
>>> <mailto:viphone@googlegroups.com> On Behalf Of M. Taylor
>>> Sent: Monday, December 26, 2022 2:01 PM
>>> To: mailto:viphone@googlegroups.com
>>> Cc: mailto:vipho...@googlegroups.com
>>> Subject: An Alexa Compatible Thermostat, Anyone?
>>> 
>>> Hello Everyone,
>>> 
>>> Okay, I know that I have asked this question before but, now that I must 
>>> buy a new thermostat for my home, within the next week or so, as my 32 year 
>>> old model is starting to fail on a virtually daily basis, what Alexa 
>>> compatible thermostat do you either recommend and / or are currently using?
>>> 
>>> I am aware of the Nest brand models; I thought they were Google-only models 
>>> but I think they also can work with Alexa, right?  Does anyone have any 
>>> experience with Nest / Alexa compatibility?  
>>> 
>>> Also, I know that Honeywell makes Alexa models but, from what I have read 
>>> on the web, today, one must setup an online account with Honeywell before 
>>> the device can be used with Alexa.  That sounds like a lot of trouble to 
>>> me; maybe.
>>> 
>>> The only thing I know for certain is that I want a model that will work 
>>> with Amazon Alexa, out of the box, because I do not want to use a 
>>> third-party app, is I can avoid doing so.
>>> 
>>> I have come to trust the Alexa app for iOS and iPad OS.
>>> 
>>> Mark
>>> 
>>> 
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