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- Large backlit display and soft-touch button interface
- Precise temperature control of +/-1-degrees F with auto change from heat to cool.
- Fahrenheit or Celsius temperature display with 12 or 24 hour time display
- Backed by a one-year limited warranty
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This thermostat is easy to use with a large backlit display.
- Product Dimensions: 1.7 x 9.1 x 7.9 inches
- Shipping Weight: 14.1 ounces (View shipping rates and policies)
- ASIN: B01MUGXD9J
- Date first available at Amazon.com: February 1, 2017
- Average Customer Review:
Top customer reviews
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I gave it three stars for three reasons: 1) The display technology is really old. Shadows appear in the display when it is illuminated. 2) The batteries are aligned linearly in the horizontal direction in between the two terminals. However, the compression force is lacking so that the batteries will not be held solidly in place. As a result, the thermostat will loose power periodically when pressing the control buttons of the thermostat. This pressing causes some minor vibration which somehow loosens the batteries. I cut a tiny piece of cardboard, folded it in half, and put it in between the plastic of the thermostat and the back of the metal battery terminal. That added enough compression to solve the issue. 3) It was very hard to remove the wall plate from the thermostat. The wall plate is shipped attached to the thermostat. Useless directions were provided. The missing directions should be something like: Place fingers in the top and bottom semi-circular holes in order to hold the thermostat with force directed towards the front of the thermostat while pulling on the wall plate in the opposite direction. I was attempting to hold the thermostat without the use of the holes and then pressing down and pulling on the holes in the opposite direction to the pull the wall plate off of the thermostat. This method does not provide the right level of force. I called customer support but the individual was not able to clearly articulate the correct method.
To keep this brief, check out the 5-star reviews to see what's so good about this thermostat. I'll just quickly list the shortcomings that cost it stars IMO.
1. The pins on the back break
There are pins on the back of the face that connect the thermostat to the wall mount's electricals. Eventually you'll have to change the batteries. When you take off and replace the thermostat face from the wall mount, you need to be VERY CAREFUL that everything is lined up and pushed on straight. With the pressure it takes to snap the face into the clips, you (or your teenage son or the hamfisted AC contractor you hired) might not notice you're breaking off a pin on the back. The penalty for the mistake is that you have to buy a new thermostat. Yes, this happened to me.
It's pretty clear to me this is a design flaw. There are at least 3 changes that would alleviate this:
a. Allow access to the batteries without removing the face. Even our older Honeywell RTH6300B has this.
b. Implement a less troublesome pin arrangement. Again, the RTH6300B has a set up that's much easier to align, IMO.
c. Connect the face and wall mount with a ribbon cable or short wire bundle instead of direct pin connections. That way you can connect the two with more care while they're still apart and you can take off the face without disconnecting the electricals at all.
This is worth at least one star.
2. Feature set is getting dated
There was a time when this was one of the top thermostats in terms of features. But now there are devices that do it better and point out the shortcomings with the RTH7500D. Physically, the buttons are clunky to press. Programming is quick enough for minor changes from the defaults, but a chore for very specific schedules. Programming flexibility is pretty lacking. For one, your heat and cool schedules have to be the same. Meaning if you want heat from 6am-8am weekdays during the winter, but cooling from 7am - 8am in the summer, this isn't supported - you have to reprogram each season. For two, is 4-period "wake / leave / return / sleep" model really the best? The reason I'm replacing our 5-2 day RTH6300B with this 7-day RTH7500D is because we have cleaners come once a week and we keep forgetting to leave the heat & AC on for them. On those days, we really have "wake / leave / cleaners arrive / cleaners leave / return / sleep".
To compare, I'd point you to the cheaper "GE 15089 7-Day Digital Outlet Timer" (which I also own). Though it's not a thermostat, it allows you to program 7-day automated schedules by pushing little rubber buttons, just like the RTH7500D. The Honeywell is perfectly usable but, IMO, the GE 15089 does it much better and shows what's possible.
3. Retail price is now "high" for the feature set
When this was a top thermostat, it was worth the price. The retail price hasn't come down enough to keep it competitive. IMO, the price determines whether the above feature issues are worth docking a star or not. Fortunately there are plenty of channels like Amazon Marketplace where you can get a new (or nearly-new) RTH7500D for a significant discount. If you have to pay full price, keep in mind you could have this thermostat longer than you have your car or fridge (if you don't break the pins on it) so you might as well get something better.
4. Problems with some HVAC systems
I've never had any problems but I've never had a fancy 3-stage+ heat pump system. Go check the 1-star reviews before you buy, and take advantage of your return window.
Keep in mind, I like this thermostat (obviously - it's my 3rd). It was once great and is still pretty good - just not for the retail price.
- 7 day independent multiple programs per day
- Temporary override or Lock override
- Multi-stage AC/Heat blower
- Backlight when interacting with
- Using buttons prevents finger prints on a screen
- Simple operation that is intuitive for all to use
- Can auto switch from AC to Heat if desired
- Not impressed with display screen distortion