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Old 07-22-2018, 09:35 PM   #1
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Default Good wifi stat for commercial application

I have a project coming up where I'm going to install 11 thermostats on a large boiler replacement job. I'm pushing to install wi-fi stats for all 11 zones. The heating contractor is supplying stats but I need to get them to supply the right one instead of the basic Honeywell Pro series that they will likely supply.

The Nest, Ecobee, Lyric and other fancy touchscreen ones are out of the question. I'm looking for a basic wi-fi stat. Any suggestions?
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Old 07-22-2018, 09:40 PM   #2
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My suggestion is to come to your senses and keep the bleeding edge stuff out of such a large job until the marketplace has proven them out for at least a decade.
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Old 07-22-2018, 09:45 PM   #3
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My suggestion is to come to your senses and keep the bleeding edge stuff out of such a large job until the marketplace has proven them out for at least a decade.
Are you messing with me?
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Old 07-22-2018, 09:48 PM   #4
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Are you messing with me?
No.
Hey, I'm a tech person, but I'd have a real struggle specifying wifi stats on a job with 11 zones. That's 11 potential ways for things to go wrong for reasons that would be near on impossible to troubleshoot on the same job.
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Old 07-22-2018, 10:03 PM   #5
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Im confused are you talking about home thermostats that are wifi capable or are you wanting to network the stats to the boiler controls?
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Old 07-22-2018, 10:07 PM   #6
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Im confused are you talking about home thermostats that are wifi capable or are you wanting to network the stats to the boiler controls?

Wifi capable stats. This is a basic baseboard system with the stats connected to Taco SR-xxx series relay controls.
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Old 07-22-2018, 10:29 PM   #7
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Wifi capable stats. This is a basic baseboard system with the stats connected to Taco SR-xxx series relay controls.
Okay, okay. I thought you didn't want to run wire and wanted all 11 stats on a wifi network to something at the boiler. It will be 11 wired sats with a wifi feature for whatever somebody wants to log in and fuss with. That might fit my comfort level better.

For my money, if it doesn't say Honeywell on it, it's not worth buying.

Finding something that's just one stage of heat plus wifi might be the tricky part. I guess that's why you're asking.
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Old 07-22-2018, 10:43 PM   #8
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Why do you want the thermostats to be wifi, to get smart / automation features, or to get those features without running new wires?
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Old 07-22-2018, 10:44 PM   #9
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FWIW, we have one of these in our one lab at work. Nobody really adjusts it or uses the app for anything, and it's only been installed less than a year. I'm probably the only one that even knows it has an app. I can't give you much of a good/bad rating on it. It's basic, and that's about all I can say about it. Not super excited about the brand. I think Lux is a Grainger house brand. Wish it didn't take batteries, but you pay dear for a model that does not.

https://www.grainger.com/product/PRO...rmostat-45KE77
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Old 07-22-2018, 10:55 PM   #10
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Okay, okay. I thought you didn't want to run wire and wanted all 11 stats on a wifi network to something at the boiler. It will be 11 wired sats with a wifi feature for whatever somebody wants to log in and fuss with. That might fit my comfort level better.
Yes.

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For my money, if it doesn't say Honeywell on it, it's not worth buying.

Finding something that's just one stage of heat plus wifi might be the tricky part. I guess that's why you're asking.
I'm in the "Honeywell only" camp myself, and yes, a basic wi-fi heat only model doesn't seem to exist.

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Why do you want the thermostats to be wifi, to get smart / automation features, or to get those features without running new wires?
For ease of programming or changing the weekly schedule and ease of monitoring in case someone overrides the weekly program manually at the stat, which was always a problem with the old system.

The system is wired and roughed in.

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FWIW, we have one of these in our one lab at work. Nobody really adjusts it or uses the app for anything, and it's only been installed less than a year. I'm probably the only one that even knows it has an app. I can't give you much of a good/bad rating on it. It's basic, and that's about all I can say about it. Not super excited about the brand. I think Lux is a Grainger house brand. Wish it didn't take batteries, but you pay dear for a model that does not.

https://www.grainger.com/product/PRO...rmostat-45KE77
I'm pretty sure Lux is a value brand of Robershaw, or at least it used to be. All the new Honeywell wi-fi stats that I have installed required the "c" wire connection as the wi-fi feature drains batteries far too quickly.

That model is around the right price point, but I'll have to look into it further.
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Old 07-23-2018, 06:33 AM   #11
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If you go with wifi thermostats, you're going to have a headache every time they change the wifi network. Let's say they give you the public wifi password to use. Security questions aside, if for whatever reason they change that, you'll have to come back to reprogram 11 thermostats.

If you go with hardwired, you'll have far fewer problems, but it sounds like it's too late to rewire. There are commercial grade thermostats that use a pair on the thermostat wire for control / communications. Then there is a bridge device that lets you communicate with these devices from the network, you only have to wire the bridge to the network. But I think these are going to be out of the budget, the commercial systems are expensive.

It's not really commercial grade but if you use a z-wave or zigbee wireless thermostat, that can communicate with a smart hub such as Samsung Smartthings. The smart hub can be wired to the network (some can - some are wifi only...) and the thermostats communicate with the smart hub, the smart hub communicates over the network with the app.

These might work, they're don't appear to get great reviews but they might be way over the heads of the homeowners that are reviewing them:

https://www.homedepot.com/p/Honeywel...20ZW/202915615

https://images.homedepot-static.com/...96619f7dee.pdf

Again there are commercial systems that use zwave or zigbee or some wireless communications between the devices but I think they're all pretty expensive.
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Old 07-23-2018, 10:02 AM   #12
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I jumped on many a early band wagon and got bruised when bounced off. Piggybacking on somebody else's network is by no means trouble free, even though they approve. You will be at their mercy for the wi-fi.
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