Editorial Product Review:Item Description:Honeywell model TH8110U1003 Vision Pro Touchscreen Programmable Thermostat. 4 Daily Periods. 7-Day Programming. Dual Powered (24Vac And Or Battery). Universal Application Flexibility Up To 1 stage Heat & 1 stage Cooling applications (Gas, Oil, Electric and heat pump). Features effortless menu-driven programming with Touchscreen and change & check reminders for air filters, humidifier pad or thermostat battery. Has large, clear backlit display that is easy to read in various lighting conditions. Homeowners can achieve up to 33% energy savings on annual heating and cooling costs. Has multiple hold options to override the program schedule as desired with temporary and vacation hold settings. 5 year warranty. Outdoor temperature can be easily monitored with the optional C7089U1006 outdoor sensor. This thermostat can control the temperature in another area by utilizing the optional C7189U1005 indoor remote sensor. Only one of these optional sensors can be used at one time. Please note: This thermostat will NOT work with heat pump systems that utilize a second stage of heat (sometimes called emergency heat). For multistage heat pump systems use the TH8320U1008 thermostat.
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Buyer Reviews
Average Buyer Rating:
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A good choice as energy prices soar.
We had been thinking about installing a digital thermometer in our house for years, but ever-increasing energy costs finally forced a decision. We heat with propane and cool with electricity, so we pay high bills almost every month. We replaced a very conventional mercury bulb unit which seemed to cause the air conditioner or furnace to run incessantly, particularly in the afternoons.
I researched a lot of units before settling on this premium Honeywell unit. This is what I have found:
* Having 7 day individual programming is a necessity, not a luxury.
* Four period per day programming is extremely functional if you must be away during the day (or night).
* This unit can be pulled off the wall at any time and easily reprogrammed - a major plus.
* This unit faithfully maintains the temperature to within one degree.
* Comfort level is increased b/c temp swings are greatly reduced (old unit could swing as much as 6-7 degrees or more).
* This unit is a little hard to read because of the small, thin typeface used.
* Vacation setting (haven't used yet) easily overrides normal program w/o deleting it.
* easily set to manage both heat and A/C simultaneously, if desired, or independently.
* The current temp setting is easy to overide if you so desire.
* There is an audible click when the unit turns on the HVAC system.
* The unit is extremely easy to install (in spite of the fact that the paperwork says it should be installed by a professional) PROVIDED YOUR OLD THERMOSTAT HAS THE STANDARD CONNECTIONS AND THEY ARE MARKED ON THE UNIT.
* Installation caution: even though you are working with a low voltage system, it's still probably a good idea to turn off the power to the HVAC system by turning off the breaker in your electrical panel.
* My guess is that this unit will install easily in most homes that have just one single stage HVAC system.
We do not yet have enough experience with the unit to honestly compare our operating costs to previous years, but we will post the results when we do. This is certain: We now have a much greater degree of control over temp settings and we believe that our system doesn't run as much.
Customer Rating: 
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Amazon or Climate Doctors not selling as advertised
This is a great thermostat, but unfortunately this model doesn't function as advertised. After reading the first and several other Amazon opinions and reading up on the specs from Honeywell's own website, I was under the impression that this model was FULL AUTO and I could 'set it and forget it.' After installing the thermostat, I realized that not ALL of the the Switch Positions (System) HEAT-OFF-COOL-AUTO exist on the thermostat I received. There is no System AUTO meaning you have to switch it COOL when it is hot and switch to HEAT when it is cold. The sticker that contains the model number matches, but my thermostat doesn't function according to the specs for that model. I have emailed Climate Doctors with no response, so buyer beware on who you are dealing with and exactly what they are shipping you.
Customer Rating: -
Great Product
If you want a thermostat that is pretty easy to program this one is what you need. I'm a heating and air conditioning technician by trade and this thing is a good design. I have had to program a lot of thermostats in my trade of work and this is the best I've seen . Its easy to read also. Has a large screen that has a lot of light so you can read it well. You have to touch the screen to make it light up. Nice and bright. The temperature is real accurate also . It holds the temperature at 1 degree of your set point. The instructions are pretty easy to follow also. Its also pretty easy to install also. With a digital thermostat you don't have to fool with setting your heat anticipator on it. Just hook up your 4 wires and your done. It also has a 5 year warranty. When you buy a cheap $30.00 thermostat that the home supply stores sell,they dont last long. Honeywell in my opinion is the best on the market. Very good quality. My last Honeywell thermostat lasted 18 years. It will pay for itself by the energy you can save by programming your thermostat. Energy bills are not going to get cheaper in the future.
Customer Rating: -
Hi Tech Thermostat
This is a product that every home should have. It is fully programmable and keeps temperatures right on the requested temp. It is EASY to make changes to meet your changing schedules and is loaded with features. The remote sensors are a little pricey but can be added if desired. This is priced well and is fully digital with no switches or moving parts.