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  • 5-1-1 programming; up to 4 periods per day.
  • Conventional & Heat Pump Compatible.
  • Soft touch keys; backlit display.
Maximize comfort, reduce household energy use and save money with the Honeywell RTH6450D 5-1-1 Programmable Thermostat. An intuitive and user friendly panel allows you to program weekdays, Saturdays and Sundays individually from one another. This gives you the added bonus of selecting your home's heating and cooling options well in advance to match your schedule. This increased level of customization allows you to monitor and set your temperatures accordingly and efficiently. Access your heating and cooling options when you need them and switch them off when you don't. A host of features and money saving options make this a thermostat that shouldn't be passed up!
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Honeywell RTH6450D 5-1-1 Programmable Thermostat Video

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RTH6450D customer reviews

Overall Rating

5 Reviews
5 customers recommend this product
Honeywell RTH6450D 5-1-1 Programmable Thermostat Reviews
Michael Cocchiaro
June 28, 2016
Verified Purchase

Very easy to install, much better then what I had. I love it!

Joseph Frantz
April 3, 2015
Verified Purchase
Thermostat review

Very good installation instructions. Very easy to understand programming. Product works very well. Particularly like the auto feature, which allows unit to switch by itself from heating to cooling.

lewis beebe
October 2, 2014
Verified Purchase

i am very pleased with thermostat. instructions were excellent. thank you

Jane Rasmussen
November 19, 2013
Verified Purchase
Large format

I have not installed this yet. It is larger than the old Honeywell programmable thermostat it is meant to replace, so I hope it will fit. The old one no longer works for Saturday. I will provide another review once it is installed and operating.

November 30, 2011
Easy to use

Easy to install, easy to use - thank you!

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