Discount Honeywell RTH5100B 1025 Deluxe Manual Thermostat

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List Price: $39.99
Sale Price: $32.45
Today's Bonus: 19% Off

I purchased this thermostat to replace an older programable type that I could not get to work properly. It would turn on and off at the oddest times and I could not correct it following the manual provided. I decided to return to a simple model, but wanted a digital type rather than the older mercury dial variety. This Honeywell thermostat is so simple to use, and is accurate as can be. I am retired and spend most of my time at home anyway and can set it and forget it. If we have been out for a few days, we lower the heat, and increase it to our regular temp when we arrive home. It is almost an instant warm up and absolutely trouble free. This is all you need to keep life simple and easy.

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I got this for my 87 year old mother-in-law who cannot manage multiple programs. She loves it, as the only choices she has to make are OFF/Heat/Cool, Fan On/Auto, and Temp UP/Down. Works great too.

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See my review of RTH110B. I thought it would work. It failed after 3 days.

I just installed this unit. I cycled it through heat/cool. Both work. They advertise that there is some auto switch over feature from HC. It must be programmed with the 2 arrow buttons. Complicated. Probably will be lost w/battery change. I have 3 functions heat, cool, & off. Which is what I want. It does maintain 1 degree range within set point. Display and buttons on front make adjustments quick and easy. Any mechanically inclined home owner can install this. The longest delay, will be positioning sheet rock anchors, if needed.

Thermometer is primitive and can not be calibrated to match existing/accurate thermometers. The work around is to simply adjust your set point by the difference between what this unit reads and your old unit.

I will update this review in the next days, weeks, months on its longevity, since Honeywell reliability has proved less than 100%.

1 Week later: Still works as advertised. I've gotten use to out of calibration thermometer reading.

1 Month later: Still working. Appreciating the 1 degree comfort zone.

1 year later; Still working.

Honest reviews on Honeywell RTH5100B 1025 Deluxe Manual Thermostat

Reading instructions, I installed it myself, ever since, I noticed a drop in electricity usage so it's paying for itself. Easy to read glows in the dark, very easy to set Temp.

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This thermostat was the answer to our frustration with a more complex, programmable thermostat that had been in our small apartment for 4 years. The RTH5100B 1025 was EASY TO INSTALL and is very simple to operate. It's either on or off, and when it's on, it's highly accurate at keeping the temperature in our 540 square foot apt. at the selected degree.

We now live in South Florida and have a heat pump system for the AC and heat. When the thermostat was first installed, it took about 5 minutes for the thermostat to recognize and sync with this type of system. The directions indicated this, though, so we weren't too concerned when the AC didn't go on right away. We waited, per the directions, and within 4-5 minutes the AC started up.

If you live in an area where the power goes off on a rather frequent basis, this thermostat does not need to be re-programmed when the power comes back on. In our neighborhood, the power annoyingly goes off for short periods of time for no apparent reason. With our former programmable thermostat, we had to re-program it every time this happened, even if the power had only been off for a couple of seconds.

I'd recommend this to anyone who is home most of the time and wants a dependable, simple system of cooling/heating their home.