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Filtrete 3M-50 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight EXPIRED

Selma 99,799 January 17, 2013 at 02:52 AM in Home & Home Improvement More Home Depot Deals
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$69

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Promoted 01-17-2013 at 07:26 AM View Original Post
HomeDepot.com has Filtrete 3M-50 7-Day Touchscreen WiFi-Enabled Programmable Thermostat with Backlight for $69 with free shipping. Thanks Selma

425 Comments

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#31
I have this thermostat and it does work well for wifi access. The one complaint I have about it and it does need to be address by filtrete is that the thermostat will keep the fan running for 1 minute after the AC compressor is turned off. They claim it is to recover additional cooling from the coils. It does that but what it also does is increase humidity since it removes water from the coils as well. In Texas one thing I do not need is more humidity in the house during summer. So I will be looking at the new Honeywell wifi models to replace this thermostat.

Quote from Steeldeals View Post :
How well does this thermostat handle recovering from power outages? Does it retain your last settings, or does it revert to some default?
It has batteries for backup power so it does not lose settings.
Last edited by Allthesame January 17, 2013 at 07:31 AM
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#32
Quote from prichard View Post :
It has batteries for backup power so it does not lose settings.
How long do the batteries last when the power is out? My concern is that if I'm travelling and the power goes out at home for a few days (which has happened several times) the system needs to recover in a way that returns to functioning correctly and allows me to access it remotely again via the web, so for example, I can check that the temperature inside isn't so low that pipes might have frozen.
Last edited by Steeldeals January 17, 2013 at 07:39 AM
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#33
Quote from Steeldeals View Post :
How well does this thermostat handle recovering from power outages? Does it retain your last settings, or does it revert to some default?
Check the specs on the page. "Battery Back-Up Yes"
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#34
Quote from Steeldeals View Post :
How long do the batteries last when the power is out? My concern is that if I'm travelling and the power goes out at home for a few days (which has happened several times) the system needs to recover in a way that returns to functioning correctly and allows me to access it remotely again via the web.
This backup should not draw that much power. I think more of an issue that you should be worrying about is why your power goes out for days at a time. Is this storm related? If so, I'd be more worried about things like my food going to spoil, basement flooded, etc rather than if my temperatures are being maintained.
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#35
I currently live in an apartment and think I will stay in this unit for another 1.5 years. Do you think it is worth the hassle to install and uninstall it? That easy?
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#36
Great. Wasn't looking to but a new thermostat till after I painted the hallway. No I think I may give in! Slick deals always gets me! This one was basically what I was going to buy anyways!
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#37
yep, the half-bot, half-woman, who's more than likely a dude(*pure speculation) is pretty quick at posting around the clock Cool
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#38
Bought 2, one for my house and rental so I can see what those energy sucking tenants waste!
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#39
Thanks, I have been considering a Nest but waiting for the price to come down and wondering how well it "learns" your habits, especially if your habits are not consistent. i would much rather be able to control it myself.
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#40
Quote from dealstack View Post :
anyone know if this model or the non-wifi model have a locking feature for controls? I always wonder if nanny is changing temperature while im at work.
?? And?
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#41
I've owned this unit and have installed it for other friends who didn't want to pay the price of the Nest. The first thing you need to know is it will not work without a C wire. Easy way to check is pull out your current thermostat and if you see a blue wire it's most likely your C wire. That wire is needed cause it provides enough power to get the wifi module working. Like a previous poster said you can run a power adapter to compensate if you don't have a C wire (many youtube videos how to do it). Another thing to note even if you DO have the wire it may not be connected at the HVAC unit, that was the case for my friend so we climbed the attic and attached it to the brain. Very important to always shut off the breaker to your HVAC system or run the chance of blowing a fuse.

My opinion of the unit itself if you don't already have a wifi thermostat you'll love it. Looks wise my wife didn't care for it and we ended up getting a Nest thermostat. It's very similar to the thermostats you see alarm companies will install. The great part doing it yourself is its a lot cheaper and you don't pay any monthly fees for them to "monitor" it.

If you don't have a C wire and want a wifi thermostat Nest will work for you because where this unit requires the additional power to have the wifi working, Nest uses a trickle charge to its internal battery which makes have a higher compatibility percentage. Nest display only turns on when you walk by it or physically using it so it's able to get away without the C wire, with the 3M-50 like most traditional thermostat the display is always on.

Hope that helps anyone wondering if this will work for them.
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#42
Been watching the price on these for several months and finally pulling the trigger. In 4 2!
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#43
Quote from dealstack View Post :
anyone know if this model or the non-wifi model have a locking feature for controls? I always wonder if nanny is changing temperature while im at work.
could always get the guard:
http://www.homedepot.com/webapp/w...=202024249
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#44
Is there a charge for web access to the unit. I have a house with two zone units (One downstairs and One upstairs) and I ordered two of these units, will I be able to control each as it needed from an ipad or iphone?
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#45
Quote from Steeldeals View Post :
How long do the batteries last when the power is out? My concern is that if I'm travelling and the power goes out at home for a few days (which has happened several times) the system needs to recover in a way that returns to functioning correctly and allows me to access it remotely again via the web, so for example, I can check that the temperature inside isn't so low that pipes might have frozen.
Quote from karrun View Post :
This backup should not draw that much power. I think more of an issue that you should be worrying about is why your power goes out for days at a time. Is this storm related? If so, I'd be more worried about things like my food going to spoil, basement flooded, etc rather than if my temperatures are being maintained.
@Karrun - In your reply, I think you left out the most important part of his original quote... "So that I can check to make sure pipes haven't frozen." I live in FL, so I'd never have this concern, but I've read about issues from people up North (I think on 1st Gen Nest, probably fixed w/ update now), where a thermostat did not reboot correctly, and caused big problems. (link: http://www.amazon.com/review/R291...GE6J77VRPI)
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