Offering the ease and convenience of basic programming, the Honeywell RTH2310B 5-2 Day Programmable Thermostat can help save money on your energy bills–without sacrificing your comfort. Compatible with most heating and cooling systems, this energy-aware unit makes it easy to create a program that suits your lifestyle. RTH2310B 5-2 Day Programmable ThermostatAt a Glance:Separate weekday
Offering the ease and convenience of basic programming, the Honeywell RTH2310B 5-2 Day Programmable Thermostat can help save money on your energy bills–without sacrificing your comfort. Compatible with most heating and cooling systems, this energy-aware unit makes it easy to create a program that suits your lifestyle.
RTH2310B 5-2 Day Programmable Thermostat
At a Glance:Separate weekday and weekend programs–up to 4 periods per day
Can save up to 33% on your energy bills
Large backlit display with soft-touch buttons
Furnace Filter Change Reminder
Early Start Function
Compatible with most heating and cooling systems
1-year warranty
The backlit display is easy to read in dimly lit areas. View larger. 
The RTH2310B can help save money on your energy bills–without sacrificing comfort. View larger.Precise, Programmable Temperature Control
The RTH2310B lets you control the temperature inside your home, even when you’re not there. In just minutes, you can create separate programs for weekdays and weekends–up to four program periods per day (wake, leave, return, and sleep).
For further convenience, the RTH2310B gives you precise temperature control plus or minus one degree Fahrenheit, so you can create the atmosphere that’s perfect for you.
Energy-Aware Unit Saves up to 33% on Annual Heating and Cooling Costs
The RTH2310B thermostat lets you create a program that automatically adjusts the temperature during times when optimum comfort is not necessary (e.g. when you’re sleeping or away from home), which means you can significantly cut down on your overall energy usage and reduce your monthly bills. In fact, depending on your geographic region and usage patterns, the RTH2310B can help you save up to 33% on annual heating/cooling costs.
Using a programmable thermostat is one of the easiest and least expensive ways to reduce energy costs and protect the planet–without sacrificing personal comfort.
Backlit Display, Furnace Filter Change Reminder, and Early-Start Function
Designed with users in mind, the RTH2310B features soft-touch buttons and a backlit display that’s easy to read, even in dimly lit areas. Additionally, a convenient furnace filter change reminder helps ensure your system is performing at its optimal level.
This clever thermostat also includes an early start function that begins the heating/cooling of your home prior to your programmed times. This ensures your home is the temperature you want it, when you want it.
Compatibility and Warranty Information
The RTH2310B works with most heating and cooling systems and gas fireplaces. It is not compatible with multi-stage heating/cooling, heat-pump systems, or electric baseboard heat (120 – 240 volts).
The Honeywell RTH2310B 5-2 Day Programmable Thermostat is backed by a one-year warranty.
What’s in the Box
Honeywell RTH2310B 5-2 Day Programmable Thermostat; mounting hardware; warranty card; and manual.
COMPATIBILITY 24-VOLT HEATING AND AIR CONDITIONING SYSTEMSSingle-Stage Heating and Cooling 
Multistage Heating and Cooling Heating Only
Cooling Only Furnace (Warm Air) Central Air ConditioningHeat Pump without Auxiliary Heat Heat Pump with Auxiliary Heat Hot Water Steam or Gravity 750 Millivolt Gas Fireplaces
(24 Volt or 750 Millivolt) Electric Baseboard Heat
(120 – 240 Volts)
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Good for 2 wire gas furnace 0
Had two, BOTH sucked! Skip this one! I’ve had two of these units in two years, and suffered through the same issue with both. After just a few months in the first unit, and a few weeks with the second unit both would not fire the furnace. They would indicate that the furnace was running and the manual blower controls would operate the blower, but they would not ignite the furnace. I tested the controls by switching back to an older manual unit and the furnace operated perfectly. Did a quick search and found a number of threads indicating similar problems. Seems that the unit can’t supply the correct amperage to open the ignition circuit in a number of different units. Called Honeywell and found that not only to they have a completely useless Indian customer service group, they’re hours are exactly the hours that I’m working or commuting and I’m a normal 9 to 5. So buy one if you feel lucky, but keep in mind that most people are going to write a positive review before it craps out on them. It’s does a great job with…
Honeywell “experts” are no help. 0