Posted August 21, 20178 yr Can anyone recommend a thermostat that is totaly compatible with the ISY994? It needs to be gas compatable, w/ 1 stage heat and 2 stage cool. Thanks..
August 22, 20178 yr I have a 2-gig CT 100 and an RCS Z-Wave Communicating Thermostat (001-01773). They have both worked fine for me.
August 22, 20178 yr I have 3 of these in my home: Honeywell YTH8320ZW1007/U Z-Wave Enabled Programmable Thermostat.
August 22, 20178 yr Author Thanks all for the recomendations. There are so many Z-Wave devices, with some not being 100% compatible. I would like to go with easy and seemless this time....
August 22, 20178 yr My experience is that no Z-wave installation is seamless. But, most bumps are usually easy to get past.
August 22, 20178 yr Author My experience is that no Z-wave installation is seamless. But, most bumps are usually easy to get past. You are right! I am just trying to minimize the frustration.
August 22, 20178 yr I have 3 of these in my home: Honeywell YTH8320ZW1007/U Z-Wave Enabled Programmable Thermostat. Same here -- happy with the Honeywell TH8320ZW1000 (aka YTH8320ZW1007). Some people don't like the touchscreen and limited ability to control the backlight.
October 16, 20178 yr Same here -- happy with the Honeywell TH8320ZW1000 (aka YTH8320ZW1007). Some people don't like the touchscreen and limited ability to control the backlight. Do you have issues with the Honeywells losing connection? All 3 of mine have done it at random times. Just started about a month ago. Reseating the Zwave card fixes it, but it is annoying.
November 5, 20177 yr I've also periodically "lost" connection with the Honeywell. It's pretty rare, but it has happened at least once on each of the 8 I have installed. Usually a reconnect and you're fine (i.e. you don't have to repair or exclude/include it). It's too bad because the Honeywell is a very good ZWave tstat otherwise and it's one of the only ones I've found that consistently (or at all) sends updates when it turns on heat or cool (most dont, though you can poll them). If you want to write any logic or have app-level updated when actually heating and cooling, thats pretty important. Specifically, the CT100 does not send status when starting/ending a heating/cooling cycle.
November 5, 20177 yr Do you have issues with the Honeywells losing connection? All 3 of mine have done it at random times. Just started about a month ago. Reseating the Zwave card fixes it, but it is annoying. I added a square of dense foam between the Z-wave card and the cover, solved the problem.
November 7, 20177 yr I added a square of dense foam between the Z-wave card and the cover, solved the problem. Can you offer a picture of this quick fix? [emoji848] Sent from my iPhone using Tapatalk
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