How to Program a Honeywell Programmable Thermostat

You have a programmable thermostat and you've been dreaming about what you were going to do with all the extra cash you saved on your heating and cooling bill, but to your dismay, you have yet to see your energy usage tick down at all. You aren't alone.

Woman switching a digital thermostat.
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How to Program a Honeywell Programmable Thermostat

Many people don't see the promised 10-percent savings on their energy bill because they have failed to install or use their programmable thermostat properly. Programmable thermostats range from the super simple, with just a few options for programming, to the very complex, with the ability to set multiple programs incorporating smart technology. Honeywell offers the full array of programmable thermostats, and the method for programming varies across models. To find instructions for your specific thermostat model, download the owner's manual from the Honeywell Home website, Once you master your programmable Honeywell thermostat settings, you'll be on your way to those sweet energy savings.

How to Program Your Honeywell Thermostat

Your Honeywell Thermostat will come pre-programmed with heating and cooling settings that are intended to reduce energy expenses. Depending on your model, you might be able to set a different heating or cooling schedule each day of the week, or set one schedule for weekdays and another for weekends. You can generally set temperatures for four time periods: a "wake" temperature, a temperature for when you are out of the house, a "return" temperature and a temperature for sleeping. Find the "schedule" option on your thermostat to adjust the program schedule to your preferences. You can also manually adjust the temperature at any time to deviate from your program.

How to Find Your Honeywell Thermostat Instructions

For the precise steps to program your Honeywell thermostat, you'll want to find the instruction manual for your specific model. If you're unsure what model you have, you'll find the model number on the back of the thermostat case. Thermostat model numbers begin with "T," "TH," "RTH," "C" or "CT." You can then use that model number to find the owner's manual on the Honeywell Home website, Simply enter the model number into the search bar on the website, click on the "Support" tab and you'll be able to download the manual. You can also search "Youtube Honeywell Thermostat Instructions," and you'll find videos detailing how to program most Honeywell models.

Energy Saving and Installation Tips

Once you know how to configure your Honeywell thermostat settings, you'll need to program it properly in order to see a reduction in your energy costs.

In winter, the thermostat should be set to 68 degrees during the times when you are typically awake and at home. For times when you're away from the house or sleeping, set the thermostat seven to 10 degrees lower. The general goal is to have the thermostat lowered for at least eight hours a day. When you have the air conditioning on, set the thermostat to 78 degrees when you are home. Raise the temperature at least seven to 10 degrees when you are away from the house, aiming for eight hours a day. Ensure your thermostat is installed on an interior wall where it is not near a window or other source of direct sunlight. According to the U.S. Department of Energy, by following these guidelines, you can save as much as 10 percent on your energy bill in a year.

Sally Brooks

Sally Brooks

Sally Brooks is a writer living in Atlanta with her chunky toddler and patient husband. Sally writes about home renovations for blogs and websites, including Zoe Magazine, Realty Times and Hire My Mom.