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Tools & Home Improvement > Building Supplies > HVAC > Thermostats & Accessories > Thermostats > Programmable > B0026ES9UQ
  1. Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat

    Delivery: 10-20 Working Days
    Customer Ratings (228 reviews)
    Price R2975.00

Product Description

  • 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
Additional Information

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.

  • 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

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Tools & Home Improvement
1 Year
Most Helpful Customer Reviews

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... Read more
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 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... Read more
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... Read more
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!

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