This thermostat can run two heat sources (heat pump and propane boiler), depending on the outside temperature. It requires an outdoor temperature sensor to be installed so it can switch heat sources, but it will not display the temperature sensed by that sensor, which makes no sense. Similarly, when it switches to the alternative heat source, it does not display that it has done so, which also makes no sense. So it could be more user friendly. Apart from these shortcomings, however, it seems to do a decent job.
Nice thermostat for doing basic functions, but wish it did more automatically, e.g. set the temp and not worry about switching from heater to air conditioner to maintain it. And put a lock on it so that it can only be used remotely to prevent kids from changing the temperature.
With no deadband the unit can trigger a cycle in some instances for 30 seconds and then shut off because it is constantly looking to hold internal temp. The issue I have with that is more periodic cycling that puts wear on HVAC equipment. Just installed a new high efficiency furnace and no problems whatsoever thus far but I have noticed the cycling. I also have a 10 year-old, single stage, A/C unit and this behaviour overtime can lessen the life cycle of say a capacitor in that unit. Is there something I am missing here? How does Honeywell compensate for this in the design of the thermostat in question?
In addition, I have noticed the ambient internal temperature jumps back and forth 2 degrees Fahrenheit occasionally? Always 2 degrees up and never down (i.e. if I have it set at 72 target temp the thermostat reads 72 when it gets there and then internal ambient temp could jump to 74 for say 5 minutes and then hop down). Is this a cosmetic thing? Does it actually heat to above set temp and then toggle to ensure less cycling?
Written by a customer while visiting resideo.com
Customer Rating
1
Truly Awful
on November 20, 2023
Posted by: Simon53
from UK
Simply impossible to set up with the app. I've resigned myself to having to use this so called smart system maunally, which comopletely defeats the object. A complete waste of money.
No, I would not recommend this to a friend.
Response from resideo.comBy Maria, tech support, November 21, 2023
Hi Simon53, we are truly sorry to hear about this. This is not what you should expect and we will be happy to guide you trough the setup process and make sure that everything is working as intended. Our team is ready to help! Visit the Support Center link at the top of the page for ways to get in touch.
Not sure which thermostat I am reviewing here. If it's the T6 with Zwave, I would not suggest buying it. Connectivity was a problem and the interface was not what i expected. The Zwave thermostats where replaced with the Honeywell Pro series and they work fantastic. Conectivity and interface are simple to set up and use.