Honeywell RTH7500D Conventional 7-Day Programmable Thermostat
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![]() The customized settings add luxury to your home while affording you valuable savings on your energy bill. View larger. |
![]() Every day is unique. With this thermsostat, enjoy the freedom of pre-programming to fit your different daily needs. View larger. |
Featuring a conventional layout with control buttons and a large viewing screen, along with an easy-to-understand menu-driven programming, this thermostat is simple to setup and use. For those who prefer touchscreen control, Honeywell also offers the An Easy Way to Save Energy and Money For added convenience, the thermostat unit can be run using battery power or using power from your heating/cooling system, giving you the option of permanently eliminating battery changes. Convenient, Intelligent Features and Broad Compatibility This thermostat is compatible with a broad range of 24-volt heating and air conditioning systems, including both single-stage and multi-stage heating and cooling systems, heat pumps with and without auxiliary (back-up) heat, gas fireplaces, and heating only or cooling only systems. It is not compatible with electric baseboard heat (120-240 Volts). The thermostat is backed by a one-year limited warranty. About Honeywell Whether you're flying on a plane, driving a car, heating or cooling a home, furnishing an apartment, taking medication or playing a sport, Honeywell products touch most peoples' lives everyday. Honeywell technologies are found in more than 150 million homes, 10 million buildings and a multitude of manufacturing plants around the world. What's in the Box
If programmed as directed, this thermostat offers you the ability to save up to 33-percent on annual heating and cooling costs (savings may depend on the geographic region you live in and your energy usage).
This thermostat delivers permanent day and time settings that are even maintained during power outages, and it offers the option of automatically adjusting for Daylight Savings Time, as well as a filter change reminder function that can help you keep your heating/cooling system operating at its best.
With over 120 years of trusted reliability, Honeywell International is a diversified technology and manufacturing leader, serving customers worldwide with aerospace products and services; control technologies for buildings, homes and industry; automotive products; turbochargers; and specialty materials.
RTH7500D 7-Day Programmable Thermostat, wire labels, wall anchors, mounting hardware, and an installation and user guide

Tools and Hardware Reviews of Honeywell RTH7500D Conventional 7-Day Programmable Thermostat
Customer Review: Good, but a couple of nits...
First the negative...
Summary: 5 Stars
The Installation Guide needs revision. I spoke to Honeywell about this and other complaints and hopefully these issues will be changed. BTW, they were very nice.
First problem: To set the system preferences is says to press the left button and then hold the middle button down for 5 seconds. It didn't work. It will work on older models, but on the newer ones they changed the operation of the unit so that pressing a button first turns on the backlight. Once the backlight is on, then press the buttons again to get the desired response. This isn't mentioned in the manual.
Second problem: Since I am retired, I don't need the "Leave" and "Return" settings. There is no way to cancel these. Of course, you can set the time for these to match the "Wake" and "Sleep" times, it just seems like added work and is not intuitive. Some of the lower priced models have the ability to cancel these settings.
Okay, now for the good...
1) It keeps the temperature very consistent compared to my old thermostat.
2) If I want to change the temperature I can do so and the programed schedule will still function normally at the next preset time, or I can put the temp change on permanent hold. This is great for those days that your bones feel a little colder than normal.
3) The display is bright and clear. I like being able to see the actual and set temps at the same time.
4) Once the unit is set up, operation is very simple.
5) For those that need it, it can automatically run your heat and cooling through the day to keep your temperature at a constant setting. Think Hot days and Cold nights! I suppose you could also use this to lower the temperature at night for better sleeping.
6) The Smart Response Technology allows you to wake up to the temperature that you want or to go to sleep at lower temperatures.
7) This unit gets its power from the furnace and only uses the battery as a backup. This eliminates the worry about having the battery die while you are away for a protracted period of time in the winter. I'm not sure why this would need a battery back up because if it looses power, it's because your furnace has also lost power. I suppose it's for people that want this controller, but don't have the right wires available from the furnace to power it. It also has a lithium battery to protect its memory?
8) This unit also has automatic daylight savings time adjustments.
Summation...
All in all, I really like this thermostat and would recommend it to anyone or everyone. I'm glad I bought it.
If you don't mind just running off of batteries or don't need 7 day programming, the lower price models are also very nice.
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