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. Once there, it is heated using natural gas, propane, oil, coal, wood, or electricity. The Pilot Light is Out. Some homeowners have a VENT option, which will turn the fan on for a certain amount of time every hour to circulate air. 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. Change the air filter. Rooms have a cold air intake vent, which allows cool air to be sucked down into the furnace. Dirty Filters. People often have questions about the proper furnace fan setting for winter. Make sure your fan is set to AUTO and not ON. 'burner' and blower still On). If the air temperature at the The fan is turned off about a minute after the desired temperature is reached. The auto setting on your furnace fan relies on your thermostat to determine when the fan needs to be running. Fan switch on Thermostat was correctly set on Auto. I have a coleman GM9V furnace and I want to use the fan in it to cool my house. | Privacy Policy, If you have any questions, don’t hesitate to contact HAMCO Heating & Cooling. This works best if the cold air return of your furnace is located in a cool basement or other cool … The instructions on how to do this are … As a rule of thumb, your thermostat must be set to “heat”. Once the furnace stops, the air is no longer being moved around, resulting in cold spots. The water in the process cycle promotes rapid heat … 2. Tip: Avoid setting your fan to ON, it wastes money because it forces the fan motor to run constantly. Cool Mode: Use the On/Off Mode switch to cycle the thermostat to Cool Mode. Pilot … Many homeowners are led to believe that a bigger furnace is always the better option. The best way to know which furnace fan setting is right for your home and heating system is to ask the installation technician when they review your new furnace system. 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. … In the summer time, you can set the fan to the on position to circulate cool air in the home. 200 Queen Street W. Hamilton, ON A clogged furnace filter can cause a furnace to shut off. With all these starts and stops, there’s also less even distribution of heat. You may hear it kick on and off as the temperature in the house fluctuates. HAMCO Heating & Cooling has been serving the needs of Hamilton, Burlington, Oakville and surrounding area since 1946. Or will I end up killing myself and my family? When set to “on”, the fan on your furnace will blow continually, even when the furnace isn’t actually heating the air. The fan setting controls the blower, the part that circulates air throughout your home, Setting it to ON means the blower will run 24/7—regardless of whether the furnace is heating the air or not, thus why you get cold air sometimes. If your furnace fan is set to AUTO and is still running, then move on to the next section. A furnace that is too big will run quickly and heat up the air right next to the thermostat. A dirty air filter restricts airflow into your furnace. There are 16 DIP switches on the modulating furnace IFC. We don’t just work here in the area, we also live here and are a part of the community. AUTO Setting This setting only turns on the fan when there is a call for heat requested. The furnace auto setting will have the fan come on after the burner has been running for a while. If the furnace blower is having problems, though, changing its speed could make a difference in the furnace’s performance. If you have any questions, don’t hesitate to contact HAMCO Heating & Cooling, Getting your furnace going during cold weather is a high priority that should be tackled immediately, but it needn’t necessarily mean calling a maintenance specialist. Setback at least 8˚ F Setup at least 7˚ F Evening 6:00 p.m. < 70˚ F > 78˚ F Sleep 10:00 p.m. Tomahawk, WI 54487, © 2021 BxB Media | Premier Heating & Cooling. 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 we get calls asking about the furnace blowing cold air, it’s usually because of the ON setting; the air is room-temperature but can feel colder to people. After the burners shut off the fan will continue to run for a while and then shut off. when you set the thermostat to HEAT mode. If you have a smart thermostat with a schedule on it, the auto setting may mean you never have to touch your thermostat again. When a furnace blows cold air, there may be an issue with the unit’s electronic control panel. Here’s another possible DIY fix for your heater blowing cold air. Many people let it blow the warm air out without thinking of the internal mechanics. Do this: Ensure your thermostat’s fan setting is set to AUTO, not ON. 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. Details. Believe it or not, but even in today’s modern time, most people still fail to set their thermostat correctly—and it’s one reason why a furnace releases cold air. It is supposed to stay on for two to three minutes after the furnace shuts off in order to push the last of the warm air out into the house. 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. Change filters. Other thermostat issues. Shell shows you how you can cool down your house in the summer if you don't have an air conditioner. ON Setting However, this setting uses more electricity to run, which can be a problem if you have an older furnace with an AC motor. If your furnace keeps blowing cold air, you may notice that your air filter is too dirty. If I turn that off, and then tell my thermostat to heat the house to 90 will it kick on the fan, and have no heat? The furnace unit draws air into the unit and circulates it through the duct work to all areas of the home. Wait a few minutes, then flip the switch to ON. Troubleshooting a Furnace That's Blowing Cool Air. Should it be set to AUTO so that the fan only turns on when there’s a call for heat? The fuel system, the burners, the fan and the ductwork. High-Efficiency Vent Pipes Are Blocked. How you’ll know this is your issue: Your furnace blows hot air but that … Living in Canada, increased utility bills are inevitable during the long, harsh winters,... HAMCO Heating & Cooling Ltd. 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. This setting only turns on the fan when there is a call for heat requested. Switches are located in 4 sections vertically, each having 4 switches. VC Two Stage Furnaces Setting Blower Speeds. Generally, the auto setting will start the furnace fan about half a minute after the burner is lit. Relight the pilot light if you notice it is out. 905-527-1049 23439 North 35th Dr. #7, Glendale, AZ 85310 (602) 993-0083 The correct furnace fan setting will depend on the type of heating system you have and your indoor comfort preference. ©2020 Copyright HAMCO, All Rights Reserved. If this does not correct the problem, call for furnace repair. If the fan stays on after this period, then it starts pushing cold air into the house, which could account for the uneven temperature control. Don’t forget to follow us on Facebook, Twitter and Instagram Setting Time Setpoint Temperature (Heat) Setpoint Temperature (Cool) Wake 6:00 a.m. < 70˚ F > 78˚ F Day 8:00 a.m. If your fan is set to ON, it will run continuously, regardless of whether your furnace is heating or not. Your furnace is overheating. Switching fan from Auto to On, waiting, and then setting back to Auto DID turn the furnace and blower Off. Setback at least 8˚ F Setup at least 4˚ F Programmable Thermostat Settings Furnaces with a variable speed motor have a “constant on” setting, which is the best setting because it has the advantages of the “on” setting but with unbelievably low energy usage. A fan then blows the heated air through another set of ductwork, and finally through heat registers, to every room in the house. “Auto” option––With this option, since there are more starts and stops, there will be more wear and tear on the furnace. 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. Have you … Should the furnace fan always be ON—constantly circulating air? for furnace tips and advice. American Home Water and Air. email: info@hamco.ca This is sometimes easily solved by resetting the system. There is a switch in the furnace itself which claims it turns off the gas to the furnace. You can do this by turning your fan to the ON setting and seeing if the … On most high efficiency furnaces there are vent pipes that … There are four main components of a furnace. Furnace filters. Take a look at your furnace flame to ensure it is blue in color. There is no one right answer. 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. Pilot Light Is Out 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. Fortunately, many issues can be pinpointed and, in some cases, even repaired yourself. However, you don’t have to invest in a new furnace to get benefits of both settings. we’re happy to answer any questions. Powered by idig Marketing VC Two Stage Furnace Control DIP SWITCHES MUST ONLY BE ADJUSTED WHEN UTILIZING THE LEGACY TERMINAL BLOCK WITH A 24VAC NON COMFORTNET CONTROL. If the air temperature at the thermostat is warmer than the set point showing in the LCD display, the air conditioner will start. VENT Setting What is the right temperature of process water? The air is not chilled by air conditioning, but it creates a breeze that works by the windchill principle to cool you off. AUTO Setting The main benefit of setting the thermostat to ‘Auto’ is that it will result in more energy efficient usage. 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. Is your furnace not keeping up and not reaching the temperature you set it to? Dirty filters … Perhaps the furnace is only blowing cold air and not heating? The furnace blowing cold air, or there is no heat in the house. Unfortunately, this is simply not the truth, and it could be the reason that your furnace won’t reach the set temperature. If there is no air coming out of your vents, make sure that your furnace is getting energy. Furnace Mode: When cycled to Furnace, furnace operation is enabled. However, this setting uses more electricity to run, which can be a problem if you have an older furnace with an AC motor. Turn off power to the furnace at its ON/OFF switch. Incorrect Thermostat Setting. It will not cool your home any faster and could result in excessive cooling and, therefore, unnecessary expense. When it’s cold outside, the furnace is often the most used appliance in the home. Pilot Light is Out. 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. And the ductwork of the community you notice it is heated using natural gas, propane oil! 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