Verify that the circuit breaker controlling the system has not tripped. A/C & Refrigeration offers HVAC Repair to Phoenix Valley homes and businesses. If you cannot find a pilot light, then an electric heating element is probably what ignites your furnace. 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. Electric heaters require power. A home furnace, heat pump, or heater blowing cold air isn’t necessarily a reason to panic. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. I can fix it by turning off the system and resetting the circuit breaker, but it gets pretty cold … See furnace repair details. If it has, reset the breaker. I have an electric furnace that blow cold air sometimes. If you’ve read some of my other articles, you’ll know that I am a huge fan of checking the simplest problems first. Furnace blowing Cold Air: Your furnace may be blowing cold air because the filter is too dirty. If gas supply is interrupted for any reason, the gas furnace … 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. And remember: Routine furnace maintenance is the best way to avoid a costly emergency HVAC repair. 2. Replace or clean dirty or clogged filters. Here are 6 common reasons for a furnace blowing cold air, and what you should do about it: 1. It’s Just Been Switched On – Any furnace will blow cold air when it starts up, since it takes time for hot air to travel through the system and into your home. Electric furnaces pull air through a filter before it heats it. The fix: Duct sealing. When your pilot light is out, an otherwise perfectly functioning furnace will not provide heat for your home. 707-464-9529. The furnace blowing cold air, or there is no heat in the house. However, the fan will keep running, cooling the furnace to protect it from potential damage. Why let just anyone work on your unit? #3 – The Furnace Has Overheated. Sometimes, it’s best to call in the professionals when you’re stumped. If your furnace is blowing cold air, not blowing any air at all, or making odd noises, it’s important to schedule a repair as soon as possible. There are four main components of a furnace. You’d want to take it to someone who’s certified to work on your make of car. We’ve tried to troubleshoot the issues your furnace might be having. Or I The longer you run a broken furnace, the greater your chances of inflicting permanent or serious damage. The fuel system, the burners, the fan and the ductwork. Is The Thermostat Set To Auto or On? 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. A breaker that continues to trip is an indication of a short circuit or other malfunction. 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. A dirty air filter hinder air movement through the furnace. Pilot lights used to be a standard component on any gas furnace before the 1990s. Call 888-868-6667 today or contact us online to schedule furnace repairs in Chicago! 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 furnace is blowing cold air, it … Is your furnace blowing cold air? You wouldn’t take your car to just any mechanic. I have an American Standard furnace that is just blowing cold air but no heat. We offer furnace repair and maintenance throughout the Chicago area, and our talented technicians can handle any furnace problem you may encounter. Furnace in model # … 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. 900 Northcrest Dr. Crescent City, CA 95531 This raises temperatures inside the furnace, and the limit switch shuts heating cycles down if the unit becomes too hot. 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 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. If your furnace is blowing cold air, our team at ABC Plumbing, Sewer, Heating, Cooling and Electric can help. When an element malfunctions, you will need to call an HVAC professional. The following are seven common problems that can cause your furnace to emit cold air. This air might not always be cold, and could be room temperature as well. Troubleshooting a Furnace That's Blowing Cool Air. Here are 7 possible causes, and only some cost money to fix Ph: 425.402.4456 A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. 6. In such cases, a safety control device known as the limit switch will shut off the burners. If your furnace overheats, it could end up blowing cold air. What shoul I do next or how do I identify the limit switch. 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. Usually, a filter needs to be replaced every two months, or your unit may have a different specification. 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. Details. Dirty Filters. It can be frustrating to deal with a malfunctioning furnace, but there’s still hope. It has an led indicator on the control panel that is blinking 4 times. 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. All gas, oil, and electric furnaces are sensitive and calibrated pieces of equipment. According to the chart on the panel this indicates a stuck limit switch. 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. 6. It only takes one or more components to be out-of-whack, or not tended to that creates problems. Schedule furnace repair today . I replaced the thermostat and that did not fix it. If they’re not, try changing the batteries. Furnaces can be dangerous if not serviced properly. Dust and debris in your indoor environment can usually accumulate around the filters. Is the Pilot Light lit? Dirty Filter. If you can’t get your furnace to blow any air, hot or cold, it’s possible it has overheated. Before you call a pro, try these fixes: First, check your thermostat. Why Does My Furnace Blow Cold Air? Then when the thermostat is switched to "emer", heat blows. If your furnace keeps blowing cold air, you may notice that your air filter is too dirty. Frank’s Heating & Refrigeration. There is a reason for this – it works! Related: Heat Pump vs. Air Conditioner and Gas Furnace, Which is Better? Heater blowing cold air; Furnace won’t turn on; First, Check Your Thermostat Setting. Pilot Light. If your Oil Furnace is Still Blowing Cold Air, Check Your Flame Sensor. Replace the old air filter. AC works properly with a clean filter. Getting home to a cold house and having a furnace that blows cold air is a headache. In this setting, your fan will run continuously and will blow cold air. The blower begins blowing, but does not blow warm air, only cold- it doesn't heat up. It has a clean air filter in it also. I?ve had people say to me, ?My furnace blows cold air only! If your fan only runs when your furnace is heating the air, then you’re much less likely to experience your furnace blowing cold air. I turn thermostat onto the "heat" position and set temperature at a higher temp than room temperature. So, if you have a tripped breaker, the furnace may stay on however, the air can’t warm up because the gas burner can’t ignite. You can go ahead and change the air filter yourself. Electric Furnace. If you have a dirty filter, replacing the filter typically stops cold air from blowing. In many cases, the solution is much simpler than you may realize. 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. , your fan will keep running, cooling and electric furnaces pull air through a needs. 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