Very well made. Unfortunately there are some older HVAC units that are not compatible. The one weird thing is that the apps that can control it are Nest app and Google Home app. Google needs to go ahead and migrate everything away from the nest app to Google home. The user has full control of the 3rd gen learning thermostat with Nest but only partial control with Google home (especially settings). I have the new Google Nest thermostat for my upstairs unit, but it only uses Google home app and not Nest. Confusing.
Verified purchase: Yes | Condition: New
This thermostat relies on your furnace to power it. That being said, if you don’t have a brand new heater it will cause problems. After purchasing I read numerous reviews of people having the same problems. A loud buzzing noise coming from electrical on furnace. Was told by a tech that it needed a common wire, but when asked him if that extra power source being on the same circuit would cause problems with my heater he said not to. We went through the whole nest website first to make sure that it was compatible and they said it was, in reality it was not. Do your research first, once you open the box it’s yours
Verified purchase: Yes | Condition: New
My stars say it all. A couple of notes that I was initially confused about. The voltage requirement is 24VAC which is provided by virtually all conventional heating plants. There are exceptions but deal mainly with exotic systems. I was surprised to discover that my 30 yr old Honeywell two wire circulator control supplies the voltage needed. Besides the obvious ability to control your thermostat away from home, it reports current indoor temps and humidity as well as outdoor weather conditions. Another great feature is compiling and storing your daily energy consumption. You will not be sorry you purchased this product.
Verified purchase: Yes | Condition: New
If you have never used a smart thermostat like the Nest Learning Gen 3, you are in for a treat. Installation is easy with good directions and aids, the controls make sense and it is very responsive to the settings and changes that you make. iTunes thing that I did learn is that you can’t link two Nest devices to the same phone or iPad. Otherwise, this is a great product.
Verified purchase: Yes | Condition: New
The thermostat began learning our schedule immediately and within a day or so we didn't have to touch it. The away feature that tracks your cell phone is pretty cool. I needed a professional installer because of the type of HVAC system we have, but other people I know installed theirs with no problem. It's worth it to check the Nest website. You can input the wires you have connected and answer 1 or 2 more questions and it will tell you if you need a pro installer or not.
Verified purchase: Yes | Condition: New
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