As seasons change, it can be easy to miss small yet important tasks like changing your thermostat settings or replacing your filter. What you don’t often miss is if your heating system is blowing cold air instead of warm air.
Don’t fret, this is a common issue and there are a few reasons why this might be happening. Your heating system might just need some time to warm up. This article will delve into five reasons why there’s cold air coming out of your heater.
If you are curious why your heating system is blowing cold air, get answers and reliable heating repair services in Springdale, AR.
1. The pilot light is extinguished
Your pilot light could go out for several reasons. One obvious cause may be forgetting to relight it – this is a common thing homeowners may forget. Another could be a malfunctioning thermocouple which is usually used as a safety feature for cutting gas supply to pilot lights when no flame is detected.
This may trigger inadvertently and shut off all gas flow to it when dirty or worn out, cutting off your pilot light by accident.
Although reigniting an extinguished pilot light may not be dangerous, doing so is inefficient and may pose a fire hazard.
If your pilot light keeps extinguishing itself, it could indicate larger problems with your gas valve or other parts of your system. If it doesn’t stay lit after a couple tries, seek professional assistance immediately so they can investigate and identify a resolution.
2. The furnace is overheating
As your furnace works to warm the air, it strains its system tremendously. If there’s any bottlenecking of hot air somewhere, like blocked vents or air filters that have not been regularly maintained, it could cause the whole system to overheat.
This means that instead of resuming operations, your system will turn off to give the furnace some time to cool. Speak with an HVAC professional right away if this cycle occurs often.
Pet hair, dust, and other things can accumulate around your vents and ducts over time, which will impede effective airflow. As a result, either hot air overheats or cold air arrives. For optimal results, it is, therefore, a good idea to have your ductwork professionally cleaned and replace air filters on a regular basis.
If you notice a burning smell emanating from within your system, it could indicate overheating – get it checked out right away by a qualified technician. Overheating may damage the internal components and lead to additional issues with other parts of the system.
Fortunately, diagnosing and preventing overheating issues are typically simple – you should begin by changing out your air filter as soon as possible and checking that nothing is blocking its air return inlet or exhaust vent.
3. The thermostat isn’t set correctly
The thermostat is at the core of your heating system, yet it can sometimes become the source of issues in your home.
Temperature settings can easily become off due to something as simple as forgetting to switch it from “cool” to “heat.” This easy fix should help if your system isn’t reaching your intended temperature. Also, you can put your thermostat to “auto” instead of “off”.
Untidy wiring can significantly hinder your thermostat’s performance due to corroded wires or dust accumulation on its terminals. An HVAC technician can open up the thermostat to determine the source of its deterioration, especially in places with vast temperature variations where many natural factors come into play; they can advise you as to where best to place it for optimal use.
4. The ductwork is leaking
Leaks in air ducts can severely compromise your home’s energy efficiency. Conditioned air is distributed throughout your home through these ducts, but any holes or disconnections in their construction could allow conditioned air to escape before reaching its target rooms, potentially leading to uneven air flow and causing certain rooms to feel cooler than others.
Whenever there has been any change to your home’s heating and cooling, inspect the ductwork. Leaks in ductwork can reduce energy efficiency significantly and result in higher utility bills than expected.
You can check integrity by carefully observing joints with your hands. If air is moving in and out of any joints, this indicates leaks that need sealing; professional HVAC services use either mastic tape or aerosol spray sealers to seal leaks at an affordable rate – an inexpensive way of making your home more energy efficient!
5. The furnace isn’t turning on
The thermostat sends electronic signals to the furnace that control its turn-on and off, but sometimes these signals misfire; for example, your programmable thermostat might have been set on the fan instead of heat mode. You might need to adjust the temperature settings until your system reacts correctly if this is the case for you.
As part of your furnace maintenance routine, check that its power switch is in the “On” position. If there isn’t one visible, try searching your breaker box until you locate a control for your furnace that may have been turned off; if so, flip it back on.
If it still doesn’t start up, professional help may be required. Something could be amiss with your gas line, or crews may have accidentally shut off power to it; in this instance, check other gas appliances to ensure they’re also functioning. Clogs could prevent gas from reaching your furnace, which should be addressed immediately.
