Lennox furnaces are quality units; however, similar to other furnaces, after some time, they can encounter their share of issues due to normal wear and tear or a lack of regular care and maintenance.When this occurs, you may notice that your furnace just doesn’t perform how it used to. The auto setting on your furnace fan relies on your thermostat to determine when the fan needs to be running. Should it be set to AUTO so that the fan only turns on when there’s a call for heat? As a rule of thumb, your thermostat must be set to “heat”. Tomahawk, WI 54487, © 2021 BxB Media | Premier Heating & Cooling. The instructions on how to do this are … Make sure your fan is set to AUTO and not ON. There is no one right answer. So if you feel the air blowing out of the vents while the furnace is off, the air will seem cool since it’ll be at about room temperature. VC Two Stage Furnaces Setting Blower Speeds. With all these starts and stops, there’s also less even distribution of heat. 200 Queen Street W. Hamilton, ON What is the right temperature of process water? Once there, it is heated using natural gas, propane, oil, coal, wood, or electricity. Wait a few minutes, then flip the switch to ON. Our business is as much about our personal reputation and the relationships we build with our customers and neighbours as it is about selling and servicing home comfort systems. If the air temperature at the thermostat is warmer than the set point showing in the LCD display, the air conditioner will start. Incorrect Thermostat Setting. Any other color could be a sign that there is something wrong with your heat source, in which case you need to bring in a professional to troubleshoot your problems. Trouble-shooting/Notes: Switching the thermostat switch to System-Off (vs Heat or Cool) did not turn off the hot air coming out of the registers (i.e. If there is no air coming out of your vents, make sure that your furnace is getting energy. When set to “on”, the fan on your furnace will blow continually, even when the furnace isn’t actually heating the air. HAMCO Heating & Cooling has been serving the needs of Hamilton, Burlington, Oakville and surrounding area since 1946. There are 16 DIP switches on the modulating furnace IFC. It will not cool your home any faster and could result in excessive cooling and, therefore, unnecessary expense. However, this setting uses more electricity to run, which can be a problem if you have an older furnace with an AC motor. But if the furnace fan runs continuously, regardless of whether the furnace is heating or not, your furnace fan limit switch is either: Set incorrectly to Manual or; Faulty and needs to be repaired/replaced; Now that you’ve located your fan limit switch, let’s look at how you can determine whether it’s set correctly or not. When the furnace fan setting is ON, it means the fan is always circulating air throughout the home—even if there’s no heat coming from the furnace. If the air temperature at the Pilot … If you have a smart thermostat with a schedule on it, the auto setting may mean you never have to touch your thermostat again. However, you don’t have to invest in a new furnace to get benefits of both settings. Many homeowners are led to believe that a bigger furnace is always the better option. Don’t forget to follow us on Facebook, Twitter and Instagram Do this: Ensure your thermostat’s fan setting is set to AUTO, not ON. The Pilot Light is Out. AUTO Setting This setting only turns on the fan when there is a call for heat requested. Turn off power to the furnace at its ON/OFF switch. Here’s another possible DIY fix for your heater blowing cold air. Running the furnace fan all the time means there’s less stale air in the home and can also help regulate cool and warm spots. Dirty filters … However, this setting uses more electricity to run, which can be a problem if you have an older furnace with an AC motor. A clogged furnace filter can cause a furnace to shut off. Pilot Light is Out. Or will I end up killing myself and my family? The main benefit of setting the thermostat to ‘Auto’ is that it will result in more energy efficient usage. You can do this by turning your fan to the ON setting and seeing if the … Setting Time Setpoint Temperature (Heat) Setpoint Temperature (Cool) Wake 6:00 a.m. < 70˚ F > 78˚ F Day 8:00 a.m. when you set the thermostat to HEAT mode. A common misconception associated with thermostats is that a furnace works harder than normal to warm the space back to a comfortable temperature after the thermostat has been set back, resulting in little or no savings. The furnace blowing cold air, or there is no heat in the house. When a furnace blows cold air, there may be an issue with the unit’s electronic control panel. Fan switch on Thermostat was correctly set on Auto. There is a switch in the furnace itself which claims it turns off the gas to the furnace. If your furnace fan is set to AUTO and is still running, then move on to the next section. This can be a good setting for those that want to periodically circulate air throughout the home but don’t want to run the fan 24-hours a day. If your furnace keeps blowing cold air, you may notice that your air filter is too dirty. Is your furnace not keeping up and not reaching the temperature you set it to? Change the air filter. 'burner' and blower still On). How you’ll know this is your issue: Your furnace blows hot air but that … If this setting is selected, you should only feel warm air coming from vents and will notice that the fan cycles on and off throughout the day based on the temperature drop. Fortunately, many issues can be pinpointed and, in some cases, even repaired yourself. Change filters. Switches are located in 4 sections vertically, each having 4 switches. In the summer time, you can set the fan to the on position to circulate cool air in the home. Shell shows you how you can cool down your house in the summer if you don't have an air conditioner. email: info@hamco.ca The air is not chilled by air conditioning, but it creates a breeze that works by the windchill principle to cool you off. The fuel system, the burners, the fan and the ductwork.