![]() If that's all you ever wanted to do with your thermostat, then that's really all you need to know. Just walking up to it and turning the dial will wake it up and allow you to turn the temperature up or down. When nothing is running at all, the background is black and the text is white. The background color of the Nest turns blue when the air conditioning is running, and an orangey reddish color when the heat is running. I like to have it light up when I walk by, because it allows me to see the current setting at an easy glance as I'm on my way to the fridge or the living room. The device has a backlit screen that comes on when you mess with it, or whenever you pass by it (if you have that setting turned on). Overall, it's pretty good-as you've likely already seen, the thermostat itself is a round wheel, similar to the original iPod's moving click wheel, but in thermostat form. The usability of the device as "just" a thermostat is extremely straightforward, and it's the first thing you deal with after installation. What's so great about the Nest anyway? General usability Is the Nest really worth the $250 it costs to obtain one, just so you can have a fancier way of turning the temperature up and down? I think so-especially if you're the "convenience oriented" type (that's PC for "lazy"). Now that I've been using the Nest for several months, I have a pretty good feel for its strengths and weaknesses-at least compared to what is typically available on the market. So when I finally had the opportunity to install a Nest, I jumped at it. Friends and Twitter followers have long asked me to evaluate higher-end thermostats, and I'm always examining the thermostats at other people's houses. I am fascinated by thermostats and their usability, but I also don't like to spend too much money on them-unless the extra cost is worth it. (Listen, it doesn't sound very exciting because it's not, but I like them). I like to think of myself as somewhat of a thermostat nerd. The round, user-friendly device was initially met with excellent reviews, but were these based in reality or were they the result of some Apple-like hype? Founded by the former senior VP of Apple's iPod division, Tony Fadell, along with his partner Matt Rogers, Nest Labs set out to create what is essentially the iPod of the thermostat world. ![]() It paid off for persistence and they did make it right even though they didn’t know all of the details….It has been close to a year since the Nest "learning" thermostat was introduced to the public, bringing us one step closer to that elusive home of the future. This was before google but it felt like they really didn’t want to help you as they chanted every 3 min that more than likely they could fix my problems online instead on the phone. I guess I got lucky that nest didn’t did any deeper in my troubles or they felt bad for waiting on the phone so long. I think the guy I bought these from gave up on his install and fed me the excuse that they weren’t compatible when the truth is he was playing around with his wiring and probably crossed one of his 24v wires to the wrong terminal on the board and smoked that J4 fuse. ![]() I’m doing this just for the !&* of it as it could be used as a backup or maybe I could help someone else that could really use a break since theirs fried. '``I’m still learning on the hardware side so I was wondering if anyone know what size and rating those fuses are on the backplane PCB. Since I bought these I have become self efficient in fixing electronics for myself and so I popped that faulty back open and almost instantly spotted a blown F4 fuse that should fix everything I’m just sold my home and I didn’t pull those down I time and the buyer asked for these to be included. He asked me to swap plates and the issue followed and he was convinced and overnighted me a new plate. I didn’t tell him I bought these used and I tracked it down to one of the plates autostarting my AC before I even lugged the face in. So I called nest and waited literally almost 2 hours and then almost hung up on him trying to turn off my mute. After physically installing them and turning up the power it took me some time to finally figure out one of the backplanes had an issue. I bought two of these slightly used from someone on eBay and I received $100 off of the usual base price of $250 per unitbrcause he said these weren’t compatible with heat pumps but I know that’s not true so I took that risk and bought them. ![]()
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