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Reddit mentions of Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat, "C" Wire Required, White, 1Package (Thermostat) (RTH8500D1013/E1)

Sentiment score: 3
Reddit mentions: 5

We found 5 Reddit mentions of Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat, "C" Wire Required, White, 1Package (Thermostat) (RTH8500D1013/E1). Here are the top ones.

Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat,
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Universal Application - works with conventional and heat pump systems up to 2H/2C, it's one thermostat for nearly every applicationProgram is retained in memory in the event of a power outage Includes change reminders for filters and low batteriesSeparate programming for each day of the week - 4 periods per day.To avoid possible compressor damage, do not use auto changeover if the outside temperature drops below 50°F (10°C).Maximum comfort - Smart Response technology learns the amount of time a system needs to reach a desired temperature and adjusts accordinglyPrecise temperature control of +/-1 Degree for consistent comfort.Voltage:24 V
Specs:
ColorWhite
Height3.05 Inches
Length9.25 Inches
Number of items1
Size1Package (Thermostat)
Weight0.00220462262 Pounds
Width9.15 Inches

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Found 5 comments on Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat, "C" Wire Required, White, 1Package (Thermostat) (RTH8500D1013/E1):

u/bilbravo · 1 pointr/HomeImprovement

I went to my amazon account and checked and I actually have this one, which is $99 and that's what I paid. They are very similar, but the one OP posted has some other features like lockout and holiday (it's a commercial unit, mine is residential/consumer grade).

u/Balzac_Onyerchin · 1 pointr/BuyItForLife

http://www.amazon.com/Honeywell-RTH8500D-Touchscreen-Programmable-Thermostat/dp/B0026ES9UQ/ref=pd_sim_sbs_hi_3

I don't know how much you want to do. I have never played with anything by Nest. I just wanted something that does well, and this model hasn't changed at all that I can tell since I bought one a few years ago. (meaning: tried and true like BIFL should be.)

It's wonderful. Only thing I wish it had was separate air circulate only programming/intervals; I think it runs circulation 1/3 of the time set to circ -- which helps a ton in a narrow two story townhouse. My bills dropped noticeably -- esp in the summer.

u/DoctorJeremyDunks · 1 pointr/homeautomation

I've been using this with smartthings for about 4 years and it's been pretty reliable. https://www.amazon.com/Honeywell-RTH8500D-Touchscreen-Programmable-Thermostat/dp/B0026ES9UQ/ref=sr_1_7?crid=3QYBFQ6A2V0AK

u/Kv603 · 1 pointr/HVAC

I took down a couple of the battery-powered Honeywell touchscreen models to install "smart" radio-controlled Z-Wave honeywells.

My old ones look like this model: https://smile.amazon.com/Honeywell-RTH8500D-Touchscreen-Programmable-Thermostat/dp/B0026ES9UQ

As long as you don't configure the thermostat to keep the backlight on, you should get 6+ months from the 3 AAA alkaline batteries it uses when not connected to a "C" wire.

u/ElectricRebel · 1 pointr/energy

$1000 buys a lot of hardware these days, so throwing that large of a number around is a bit silly. In fact, here is something similar that already is for sale for $215 and it is even fancier than I described above (smartphone interface, reporting stats, etc.).

And I agree that home networking protocols are probably simpler (and then could be connected via a dongle or some other peripheral to a PC). Another simple way to make this work could be to just have a MicroSD card approach: plug it into a card reader and run a program to create the schedule and then plug the card into the wall unit. There are many ways to accomplish the goal of easier programming while still keeping simple and low power hardware. But there is a real need for someone to figure this out: old people really suck at using programmable thermostats. Any time there is a severe user interface problem like that, there is an opening for a good solution.

You were right about one thing: the cheapest programmable thermostats on Amazon run for about $20, so there is an order of magnitude difference here. Although there are plenty of mid-level models that run for $60-70 and the high end ones (e.g. this Honeywell unit with a nice LCD interface) run for $130.

Finally, I'm betting that we will see this technology deployed anyways (and granted, it will probably suck at first, like all new things do) for the purposes of peak load management. I'm personally a pro-nuke cornucopian myself, but I still see the long term advantages of setting up a smart grid to reduce strain on the grid during the summer. The way to get consumers on board is to offer discounts for programming your load to run when the grid server says that system load is lower.