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This item: Honeywell RTH6400D 5-1-1-Day Programmable Thermostat
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An Easy Way to Save Energy and Money
If programmed as directed, this thermostat also 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). When it does come time to change the thermostat's battery, an easy-access compartment makes battery replacement fast and painless.
Exclusive Technology for Reliability and Ease of Use
Programming and monitoring the thermostat is simple with a soft-touch button interface and an easy-to-read display that shows the current room temperature and the set temperature simultaneously. This display is backlit, making it easy to see even in dimly lit rooms and hallways. All readouts are rendered in natural language instead of confusing symbols, and you can select whether you would like temperature readouts to appear in Fahrenheit or Celsius.
The thermostat features Honeywell Smart Response Technology and a feature that enables Auto Changes from Heating to Cooling, which continually adjusting the pre-heating or cooling of your home for effective results and precise comfort control within one-degree F of your desired temperature. The thermostat offers temporary and permanent hold settings for greater convenience.
Broad Compatibility for Use with Your Existing System
This thermostat is compatible with a broad range of 24-volt heating and air conditioning systems, including single-stage heating and cooling, heat pump systems without auxiliary (back-up) heat, gas fireplaces, and heating only or cooling only systems. It is not compatible with multi-stage heating and cooling, heat pump systems with auxiliary (back-up) heat, and electric baseboard heat (120-240 volts).
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.
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
RTH6400D 5-1-1 Programmable Thermostat, wire labels, wall anchors, mounting hardware, and an installation and user guide
I've owned this for over five years now and it's still as rock solid and dead simple to use as the day I got it. It's ridiculously easy to install. Read morePublished 8 months ago by Mark David Zahn
can not install according to instructions.hooked up wires according to instructions and I get fan and heat on heat and on cool with the temp. setting well below room temp. Read morePublished 9 months ago by robert hauff
I had it for over a year now and it works just fine and accurately. No problem at all. I would buy another one if I ever needed one. Read morePublished 13 months ago by Jack
Set them and forget them.
Great sturdy product and very easy to program.
Don't have to be a rocket scientist...
Cuando instalaron la unidad de aire acondicionado en mi casa lo hicieron con un termostato analogico, yo sentia que la misma no rendia lo que indicaba en la potencia nominal del... Read morePublished on July 26, 2011 by Rafael
I have had to replace two programmable Honeywell thermostats within a year. Because I believed that I just bought a lemon the first tome, I replaced with another, same model. Read morePublished on June 21, 2011 by Dinodon
Received this product at a great price and very promptly. Been using for some time and it's great and easy to set up and use. I highly reccomend this thermostat and this supplier.Published on December 28, 2010 by coll0211
Like the interface. I like that the screen lights ups and the functions are easy to manage. I like the battery compartment being on the side so the batteries can be replaced... Read morePublished on December 8, 2010 by Randolph Phillips