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Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat
 
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Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat

by Honeywell
4.3 out of 5 stars  See all reviews (334 customer reviews) 84 answered questions

List Price: $124.49
Price: $117.92 & FREE Shipping on eligible orders. Details
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  • Universal Application - works with conventional and heat pump systems up to 2H/2C, it's one thermostat for nearly every application
  • Program is retained in memory in the event of a power outage Includes change reminders for filters and low batteries
  • Separate programming for each day of the week - 4 periods per day
  • Maximum comfort - Smart Response technology learns the amount of time a system needs to reach a desired temperature and adjusts accordingly
  • Precise temperature control of +/-1 Degree for consistent comfort
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Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat + Honeywell 32003796001 Visionpro 8000 Series Wall Plate
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This item: Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat
Customer Rating 4 out of 5 stars (334) 4 out of 5 stars (353) 4 out of 5 stars (1025) 4 out of 5 stars (843)
Price $117.92 $114.98 $92.99 $72.49
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Product Information

Technical Details
Part Number RTH8500D
Item Weight15.2 ounces
Product Dimensions10 x 9 x 2 inches
Item model numberRTH8500D
ColorWhite
ShapeCurved
Power Sourcebattery-powered
Item Package Quantity1
Display StyleDigital
CertificationEnergy Saving Thermostat
Batteries Included?No
Batteries Required?Yes
Warranty Description1 Year
  
Technical Specification
  • Product Warranty: For warranty information about this product, please click here. [PDF]
  • View User Manual [1.63mb PDF]
Additional Information
ASINB0026ES9UQ
Best Sellers Rank #6,663 in Home Improvement (See top 100)
Shipping Weight15.2 ounces (View shipping rates and policies)
Date First AvailableApril 13, 2009
  
Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF]
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Product Description

Amazon.com

Touch screen 7 Day Programmable Thermostat — RTH8500D

 •  User-friendly interaction
 •  Large touchscreen display with backlight
 •  7-day programming

Honeywell's touch screen 7-day programmable thermostat provides maximum flexibility for busy lifestyles. You set it up to adjust the temperature when you are away or asleep during times when you don't necessarily need to heat or cool your home to optimum comfort, and your heating and cooling equipment runs less. The RTH8500D features a green backlit touch screen interface with simplified programming and easy to follow text instead of symbols. Exclusive Honeywell Smart Response Technology continually adjusts the pre-heating/cooling of your home so you are comfortable at your programmed times. It also automatically determines if your home needs heating or cooling to provide maximum comfort. Universal compatibility means it works with virtually all system types.

Features:
  • 7-Day Programming — allows separate programming for each day
  • Display — straightforward display keeps operation and programming simple
  • Backlit Display — easy-to-read, even in dimly lit rooms and hallways
  • Smart Response Technology — continually adjust the pre-heating/cooling of your home so you are comfortable at your programmed times
  • Filter Change Reminder — keep your heating/cooling system operating at peak performance
  • Vacation Hold — option to adjust your program and have it automatically resume the normal settings in time for your return
  • Permanent Day and Time — your settings are always maintained; even during a power outage
  • Daylight Saving Time (optional) — adjusts the time automatically
  • Compatible — with heating and cooling plus heat pump systems
  • Does not work with electric baseboard heat (120-240 volts).
  • 1-year limited warranty

From the Manufacturer

7-Day Touch Screen Thermostat - Easy Touchscreen programming for each day of the week. Compatible with Single Stage Heating and Cooling, Multistage Heating and Cooling, Heating Only, Cooling Only: Furnace (Warm Air), Central Air Conditioning, Heat Pump without Auxiliary Heat, Heat Pump with Auxiliary Heat, Hot Water, Steam or Gravity, 750 Millivolt, and Gas Fireplaces. Armchair programming allows user to program the thermostat from his or her sofa or chair, Vacation and Temporary Hold, Large, backlit display shows room temperature, set temperature, and current time all at once.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews
170 of 174 people found the following review helpful
5.0 out of 5 stars Vacation Hold Feature - Worth Considering December 18, 2010
Verified Purchase
I have both the Honeywell RTH7600D (bought at Costco for around $65 and packaged there as model RCT8101A) and this Honeywell RTH8500D. Both units are very good with the one major difference being the "Vacation Hold" feature; the 8500 has it and the 7600/Costco version does not. The programming interface is different as well, however, one is not necessarily better than the other. The 7600 unit is a little easier to program whereas the 8500 offers a shortcut that allows multiple days to be programmed at once. Since you'll likely program the unit infrequently, I don't think this should necessarily be a consideration unless you are an installer of these units where time is money; then the 8500 is the unit of choice.

The Costco version for me is going back because it lacks the Vacation Hold feature. If you travel or not at home frequently, the Vacation Hold feature allows you to hold the temperature, say, at 50 degrees for 10 days while you take off for a ski trip. With this feature, once the timed Vacation Hold is over, the thermostat resumes it's normal programming schedule. So, when you arrive home, the house temperature is at a comfortable level.

The Costco version allows you to manually override the program schedule, however, you must manually remove the override as well. Therefore, when you arrive home from your ski trip, you come home to a cold house and you'll need to manually reset the thermostat and wait for the house to warm up. If this is not an important feature for you or you're are at home most of the time, go for the Costco version and save about $40.

Otherwise, the RTH8500D is an excellent unit that has worked quite well for me over the past several years.

UPDATE: We recently (May 2011) installed the RTH8500D in our bedroom.
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41 of 42 people found the following review helpful
5.0 out of 5 stars Accurate, with every option and more December 13, 2010
I wanted a touchscreen thermostat that accepted power from the furnace system so I didn't need to replace batteries every year. (It will run off of batteries if your system does not provide 24vac power to the thermostat; many were not originally installed to do so.)

This model has practically every feature you could want in a standard thermostat. It's easy to install with a bit of careful reading and looks great on the wall. I like that you can set a temperature range (disabled by default; must set an advanced option to enable) and the unit will automatically switch between heat and cool to maintain the set range.

Each of the 7 days of the week is individually programmable with up to 4 events (wake, leave, return, sleep). It offers advanced hold modes: 1) hold override temperature until next program event; 2) hold override permanently until canceled; 3) "vacation hold" for a number of days before automatically resuming the normal program.

Another advanced feature is the "recovery" mode, where the unit learns how long it takes to heat/cool the living space and it can turn on the heater or air conditioner early so that it reaches the set temperature at the set time. Cheaper thermostats only turn on *at* the set time and then the temperature has to catch up to the program. This unit can anticipate your needs, so if you want it to be 75 degrees when you wake up at 7:35, set the wake-up event to 75 degrees at 7:35. It takes care of the rest.

Highly recommended! I have three of these in my home, one for each zone.
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50 of 53 people found the following review helpful
5.0 out of 5 stars Works even on older/non-standard units. October 12, 2010
Verified Purchase
I had trouble finding programable thermostats that would control my split system Carrier heat pump. Honeywell has the installation manuals for every one of their units online ([...] I spent time looking at this unit's documentation to be sure it could handle my Carrier unit. Be careful, many Honeywell and other manufacturers have units that don't handle heat pumps, and some include "call a professional" <expensive> in their instructions. Setup was a cinch and the ability to program temps for four times per day for up to seven days will save me money throughout the year. It's a simple unit, seems compatible with most systems, has some neat features like "vacation hold" where you can override all the programming and set a temperature to "hold" until you reset it for programming. You could be away for an evening or a month...it would honor the "hold" setting.

There are a couple of "if this...then that" instructions, but they're really well put. I did notice a poor rating on one of Honeywell's other thermostats because one purchaser didn't realize the difference between possibilities linked with "AND" vs. "OR". "And" means EACH MUST EXIST, "Or" means ONLY ONE OF THEM SHOULD EXIST. So, although the instructions are excellent, they must be read carefully before using the unit on a more complex system, such as a heat pump.

Only thing I'm not too happy about is the very short time the backlight stays on...barely five seconds. Unfortunately, in my house, the unit is mounted in an area with little natural or ambient light. I'm sure once the screen is totally familiar to me this won't matter much. But, learning the system and setting the various "System settings" takes reading along with the Installation Guide and the screen is constantly going black.
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Most Recent Customer Reviews
2.0 out of 5 stars Backlight stopped working after less than 2 years
Before it was two years old, the screen backlight stopped working. Now I have to use a flashlight to adjust the settings.
Published 5 hours ago by Michael Sanders
2.0 out of 5 stars Feature from 19 y.o. Honeywell Programmable Thermostat Not Included...
A pretty basic feature from a 19 y.o. Honeywell 69-1056 thermostat is not included with this new one! Read more
Published 22 hours ago by Gary
4.0 out of 5 stars Easy to install and use
This touchscreen thermostat is pretty awesome. We needed to purchase a new thermostat for our new house. Read more
Published 3 days ago by H. Trouten
3.0 out of 5 stars Works good, no fan delay.
No fan delay. Otherwise it works fine. Touch screen is a little touchy - no pun intended.
Published 8 days ago by Brianchild
5.0 out of 5 stars I love being able to control the thermostat remotely and get ...
I love being able to control the thermostat remotely and get alarms when the house temperature exceeds or drops below pre-set temperatures. Read more
Published 10 days ago by Lola B. Collie
5.0 out of 5 stars Five Stars
Great!
Published 12 days ago by Karen Strader
3.0 out of 5 stars Three Stars
Had to return these items. They are not wi-fi, which is what we needed.
Published 13 days ago by Amazon Customer
5.0 out of 5 stars works great
works perfectly. easy to install
Published 21 days ago by Billie Athanas
5.0 out of 5 stars Five Stars
It works fine.
Published 21 days ago by JG
5.0 out of 5 stars great transaction and product.
Ended up returning, as we used another brand with a larger screen, nothing wrong with this product though and shipping was fast.
Published 22 days ago by K. Guy-Verstraete
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