Clicking the Fan button on your Honeywell thermostat will allow you to switch between Auto, On, and Off. Put simply, Auto means that every time your system calls for heat or AC, it will also bring the fan on.
If your thermostat does not show "auto" as one of the options, it has not been configured for auto-changeover. Your installer can check the installation instructions for how to configure the thermostat for auto-changeover.
AUTO is the best option to save on energy bills and maintain the health of your HVAC system.
Common problems that may cause your thermostat to fail include failed thermostat sensors, lack of batteries for your thermostat, and poor connection to the power source. If hot air doesn't flow from your thermostat automatically, set it to the highest possible temperature and wait for a few minutes.
Reset your thermostat to factory settings and try running the system again. If it's still acting up, it might be time for a replacement. Blower Malfunction: If replacing the thermostat doesn't fix the problem, your furnace blower might be malfunctioning. An HVAC professional should handle this issue immediately.
Choose "AUTO" for energy savings and "ON" if you want constant air circulation or improved air filtration. Temperatures can soar or plummet depending on the time of year. Throughout the year, it is important to have reliable heating and cooling systems in order to keep your home supplied with cool or warm air.
If you want to change the heat set point when it says “auto cool, you must first press the mode button until the mode shows “heat”, then use the + or – to change the heat set-point. Then press the mode button to switch the mode back to Auto Changeover.
AUTO is significantly more energy efficient between the two modes since the fan is only running when your AC is going through its cooling cycle. This takes less power, which is more budget-friendly, with some estimates showing you can save as much as $50 per month just by keeping your AC on AUTO.
Auto: Fan runs only when the heating or cooling system is on. On: Fan is always on. Circ: Fan runs randomly about 33% of the time. *The circulate option that allows you to set the fan to run a certain amount of time per hour.
Then, press the Hold button to maintain the new temperature indefinitely. The word Hold will appear on the screen. Press the Run button if you wish to cancel either override and resume the schedule. The word Hold will disappear and the thermostat will be set to the temperature programmed for the current period.
The AUTO setting cycles on and off, which allows moisture from the AC's cooling coils to drip outside, away from your home. Less moisture trapped in the air means your system doesn't have to work so hard. Hands-off operation: One of the main benefits of thermostat AUTO vs ON settings is that AUTO is automatic.
"Auto" under "System" indicates that it is setup to automatically switch between heating and cooling. If your thermostat does not show auto, you may not have this feature.
The main benefit of setting the thermostat to 'Auto' is that it will result in more energy efficient usage. This is because the fan will run only when it's required. Also, the air filter will need to be changed or cleaned less frequently when the thermostat setting is set to 'Auto'.
On the thermostat
Turn the dial to highlight Mode and press the thermostat toward the wall to select it. Turn the dial to highlight the mode you want to set, and press the thermostat toward the wall to select it. If you set your thermostat to heat or cool, turn the dial to select your preferred temperature.
• AUTO (automatic) mode
Automatic mode sets the thermostat to follow the temperature program.
Yes, Auto mode is intended to save energy. The air conditioner can conserve energy and save you money on your energy bills by automatically adjusting the temperature and fan speed based on the ambient conditions and the presence of people in the room.
When it comes to whether you should set your furnace fan to “on” or to “auto” in winter, the answer for me is “auto” because it's the move that has the most to do with energy efficiency. It is not, however, the only thing you can do this winter to bolster your HVAC system's energy efficiency.
Keeping your fan on AUTO is the most energy-efficient option. The fan only runs when the system is on and not continuously. There is better dehumidification in your home during the summer months. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside.
“Auto” means that your fan will only run when your HVAC system is cycling. You'll feel airflow right after a cycle starts, and the fan will stop when the cycle ends. “Circulate” means the fan is always on but at a very low setting.
The Disadvantages of “Auto”
Less Air Circulation — Since using “AUTO” means your system will only run intermittently, that equates to less air circulation throughout your home. This can lead to stagnant air and more dust buildup.