Instruction: Evaluate the answerability of a question by analyzing the related document, outputting yes if the document contains information addressing the question, and no otherwise.

Input:
Question: Does this have a cell phone app for Iphone?  Am I able to switch the temps using an iphone app? Thks!
Document: If using copy as I did you set the temps on Monday and then scroll through the rest of the week hitting copy for that day and then your done. You can easily override this by touching the temp and then adjusting up or down and it will remain there until it's next scheduled temp change to whatever you have it programed to.
All in all though, it does what it is supposed to do and has nice features. I like being able to set how many degrees the temp can fluctuate before the system kicks on thereby reduces cycling and stress on the system. The hold and override functions are nice (hold keeps the temp constant through all programming, override will switch back to the programmed temperature once it hits the next programmed time segment.
I have been using the Lux TX9000TS thermostat for a few weeks now. It was easy to install and easy to program. I wish I could program the fan setting as well as the temperature, though  It has many features that I like - like being able to calibrate the temperature and adjust the swing value before the heating or cooling kicks in. In all, a good product at a good price.
I bought this to retrofit the 'old school' thermostat that came with my house. This product works great and using the copy feature i was able to program each day very quickly. I love being able to sleep in a cool house and waking up to warm one.The touchscreen is great and the override is easy and very intuitive. actual installation took around 10 minutes and so far i have noticed a 15-25% in oil use reduction.
I've managed to take the unit off to try to program it using 2 hands since the menu goes away so fast, and I was able to get to the usage menu, which only remained just long enough to see it and then goes back to the original screen again. I plan to call tech support next week, or re-hook up my old mercury based thermostat which isn't convenient but is reliable. I've gone through a set of batteries in 1 day.
If you can get around on your Cell Phone (If you own one), this should be cake.Programming - This was pretty much like my Sears unit. You start off on Mon. Morn and you set the times up to 4 times for each day. The unit already has a Pre-Program Energy Star settings if you want to use it. These settings are 62F for 8am, 10pm & 70F for 6am, 6pm.
This was easy to install to control my gas-fired boiler. It is easy to use too. It isn't as nice as an iPhone-like controller, but for the money I am happy with the investment.
Bought two of these and they are two Pieces of junk. Customer service was horrible. They only answer the phone when you are at work. Product does not work.
Unless you are a technophile or really require wi-fi capability in your thermostat, this unit has everything you could need at one-quarter of the cost. Probably 20 minutes from the time I opened the box through installation and programming. It's great to wake up to a warm house and to know that the unit decreases temps as programmed when we leave.
You might get lucky depending on what you replace. Make sure you turn off the electric to the existing thermostat as they say, just in case you touch any wires. But just a few words to the wise.If you need to set it to (I bought used) default, that has 4 times and temps for EACH day. We didn't notice @ 1st but the heat was going from 62-70 during the day. Found out we didn't have it set to hold.
Answer: no