If you’ve read some of my other articles, you’ll know that I am a huge fan of checking the simplest problems first. If this doesn’t fix your problem, and your furnace is still not blowing hot air, you can move on to some of the other potential culprits. I can fix it by turning off the system and resetting the circuit breaker, but it gets pretty cold … If your furnace is blowing cold air, give us a call today! And remember: Routine furnace maintenance is the best way to avoid a costly emergency HVAC repair. Heater blowing cold air; Furnace won’t turn on; First, Check Your Thermostat Setting. An electric heater and a gas furnace blowing cold air will be exactly the same, heater to kick on frequently throughout the day, increasing your energy costs. This air might not always be cold, and could be room temperature as well. If you’re noticing that your furnace starts blowing cold air here and there, not consistently, it may be because your thermostat is set to ON. What shoul I do next or how do I identify the limit switch. Here are 7 possible causes, and only some cost money to fix Ph: 425.402.4456 If you can’t figure out the issue, give us a call and we will inspect your furnace. A/C & Refrigeration offers HVAC Repair to Phoenix Valley homes and businesses. Check if your thermostat is set to ON instead of AUTO. I then switch thermostat back to "heat" and unit shuts off as if the set room temperature has been reached although it hasn't. If your heating elements are burned out, the system will blow cold air. We’ve tried to troubleshoot the issues your furnace might be having. Is your furnace blowing cold air? We offer furnace repair and maintenance throughout the Chicago area, and our talented technicians can handle any furnace problem you may encounter. Why Does My Furnace Blow Cold Air? Replace or clean dirty or clogged filters. Furnaces can be dangerous if not serviced properly. 6. A home furnace, heat pump, or heater blowing cold air isn’t necessarily a reason to panic. If it has, reset the breaker. The “on” setting means that the furnace fan will be running even when the furnace itself is off. AC works properly with a clean filter. If your furnace is blowing cold air, it … This post shows some basic troubleshooting ideas to get your furnace blowing hot again. Related: Heat Pump vs. Air Conditioner and Gas Furnace, Which is Better? 707-464-9529. There are, incidentally, some common causes for why your furnace may be blowing cold air instead of warm, and what you can do to fix the problem. There is a reason for this – it works! In this article we try to help you with the issues caused by cold air blowing from an electric furnace, do you need heating repair? Pilot Light. The cold weather has rolled in and you’re looking to warm up the house, so you decided to turn your furnace on only to find that it’s blowing cold air. I have an American Standard furnace that is just blowing cold air but no heat. This raises temperatures inside the furnace, and the limit switch shuts heating cycles down if the unit becomes too hot. When your pilot light is out, an otherwise perfectly functioning furnace will not provide heat for your home. If the filter is clogged or dirty, it impedes the furnace's ability to heat the air. The fix: Duct sealing. Wrong thermostat setting. The blower begins blowing, but does not blow warm air, only cold- it doesn't heat up. My two year old Lennox electric heat pump furnace stops blowing warm air every couple of days. #3 – The Furnace Has Overheated. Here are some of the reasons your furnace might be blowing cold air: #1. An electric heater and a gas furnace blowing cold air will be exactly the same, so give it a few minutes after you turn it on. The furnace blowing cold air, or there is no heat in the house. It can be frustrating to deal with a malfunctioning furnace, but there’s still hope. 900 Northcrest Dr. Crescent City, CA 95531 If you’ve run through the thermostat test described above, you’ll need to take the next step of bringing in a professional for repairs. Or I In this case, you could feel cold (or non-heated) air blowing through your vents because the system is not actually on to heat it. You can go ahead and change the air filter yourself. I turn thermostat onto the "heat" position and set temperature at a higher temp than room temperature. If you can’t get your furnace to blow any air, hot or cold, it’s possible it has overheated. Dirty Filters. A dirty air filter hinder air movement through the furnace. If gas supply is interrupted for any reason, the gas furnace … The lukewarm air coming out of your furnace can also be the result of leaky air ducts. Is The Thermostat Set To Auto or On? 2. Getting home to a cold house and having a furnace that blows cold air is a headache. Sometimes, it’s best to call in the professionals when you’re stumped. Furnace Still Blowing Cold Air? 6. There are a few things to check in your home in the case that your furnace is blowing cold air, such as your thermostat settings, air filter, and your home’s ductwork. According to the chart on the panel this indicates a stuck limit switch. The following are seven common problems that can cause your furnace to emit cold air. You’d want to take it to someone who’s certified to work on your make of car. Schedule furnace repair today . Dirty Filter. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. I replaced the thermostat and that did not fix it. Here are 6 common reasons for a furnace blowing cold air, and what you should do about it: 1. All gas, oil, and electric furnaces are sensitive and calibrated pieces of equipment. Furnace in model # … Verify that the circuit breaker controlling the system has not tripped. Dust and debris in your indoor environment can usually accumulate around the filters. 10 Common Reasons Why Your Furnace is Blowing Cold Air Furnaces / By Smile HVAC When the furnace is turned on after a certain period, whether it be days, weeks or months, turning on the system does not mean that warm air will automatically begin to pass through the vents. Electric furnaces pull air through a filter before it heats it. If your ducts are leaking (and ENERGY STAR says that almost all homes leak about 30% of the air in their ducts), cold outside air is making its way into your ductwork. The fuel system, the burners, the fan and the ductwork. If I shut if off for a few minutes and then try again, about half the time it will blow hot air. It only takes one or more components to be out-of-whack, or not tended to that creates problems. In many cases, the solution is much simpler than you may realize. Even if you have a gas furnace, they typically have an electric starter that ignites the gas burner. When overheating, your furnace can trip a high limit switch, causing the furnace burners to shut off so that the heat exchanger does not crack. If your heater starts by throwing warm air out of your registers, but you are soon left with a heater blowing cold air, then I would suspect that your flame sensor needs to be cleaned. There are four main components of a furnace. If you cannot find a pilot light, then an electric heating element is probably what ignites your furnace. If your electric furnace is blowing cold air, it has power, but there may be something else that is preventing it from operating properly. If your furnace is blowing cold air, there are chances that someone has adjusted fan settings from ‘Auto’ to “On’. Electric Furnace. Details. Is the Pilot Light lit? It has an led indicator on the control panel that is blinking 4 times. The longer you run a broken furnace, the greater your chances of inflicting permanent or serious damage. How to tell if there’s really a problem. When an element malfunctions, you will need to call an HVAC professional. A breaker that continues to trip is an indication of a short circuit or other malfunction. If your furnace is blowing cold air, our team at ABC Plumbing, Sewer, Heating, Cooling and Electric can help. If your Oil Furnace is Still Blowing Cold Air, Check Your Flame Sensor. Troubleshooting a Furnace That's Blowing Cool Air. It will also depend on how much insulation you have around your ducts and how old your furnace is. Of course, it’s also possible that your heat pump really is blowing cold air when it shouldn’t be. 1. Cold air trapped inside will need to be expelled before the hot air can take its place! Replace the old air filter. Why let just anyone work on your unit? If you have a dirty filter, replacing the filter typically stops cold air from blowing.