Why is my furnace blowing cold air

Why is my furnace blowing cold air?

If you’ve noticed that your furnace has been blowing cold air, there are a number of possible causes. In this blog post, we’ll discuss some of the most common reasons why furnaces blow cold air. And we’ll provide some tips on how to troubleshoot and fix the problem. So if you’re experiencing this issue, please keep reading! We’ll help you get your furnace up and running again in no time.

Reasons Your Furnace Is Not Producing Warm Air

The Pilot Light is Damaged

In an effort to increase efficiency and save money on heating bills, it may be necessary for homeowners with gas furnaces under age 20 years old (or those who have had their system more than 10+years)to check the pilot light. The purpose of this small flame is designed in order that when lit correctly can ignite burners which will produce heat within your home’s HVAC unit- making sure you’re always warm during winter months!

Dirt & Grime on the Flame Detector

Heating your home can be a difficult task when you have an old furnace that doesn’t work properly. You may not even know what type of gas it is, or how much energy goes into running just one small flame sensor! This problem could easily become fixed if we were able to clean up all those pesky dust particles from inside the device. But don’t worry about taking care them yourself; local contractors will take care our rides furnaces as well by sanitizing their sensors so they continue functioning properly at maximum performance levels.

Air Filter is Restricting Airflow

If you find your furnace’s air filter covered in dust, grime or soot then this will stop the flow of incoming gas. A sign that it might be dirty is if there are long heating cycles and/or overheating issues before they occurred while running at full power (which would cause blow cold). The average time for an issue like these to happen again would simply require replacing our contaminated filters with new ones.

A Low Supply of Gas in the Home

Your furnace is designed to deactivate if it’s not receiving enough gas. Unfortunately, this can lead your home into an uncomfortable state with low temperatures and high air pollution levels in certain rooms. And even entire floors of the house because there won’t be any heat at all! You might think that DIY a repairs would somehow solve these problems but unfortunately they don’t – so instead we recommend calling qualified professionals who will make sure everything gets taken care quickly while ensuring minimal inconvenience for you during their work hours (they’ll likely offer ways around having things changed).

The Condensate Lines are Clogged

Have you noticed that your furnace is not working in the home? This could be due to a blockage of condensate lines, which aid with moisture removal. If there are issues securing these drains and they become clogged up then this may cause them not work properly or at all resulting an blow cold air into homes when needed most!

There’s Damage to Your Ductwork

Have you ever wondered why your furnace is blowing warm air? It could be because of leaks in the ductwork. Small to large openings allow cold from above ground level enter into these gaps where they’re then heated by a fan running at high speeds, making it seem like there’s no problem when really everything should just work fine but some time’s things don’t go as planned!

The best way for me fix this issue would have been using Duct sealant. Which helped reduce noise levels and increased efficiency with how much heat reached my vents.

The Thermostat is Set to on Instead of Auto

When you turn on your furnace and it’s blowing cold air, the first thing we recommend checking is whether or not there are any holes in between where warm air comes out from under t he floor. This will cause drafts that can lead to problems with temperature control inside of homes during winter months! If no such issues arise after looking around outside then maybe try switching back over again from ” Auto” mode. Which should prevent constant running through day long while only allowing furnace emissions when needed. Usually at night time since most people don’t want their bedrooms freezing over every morning.

Overheated Furnace

Have you lately changed your air filter? If not, then this is the perfect time to do so. Your furnace will thank me later when I tell it that there are no more obstacles for its warmth! Make sure all of my dirty Secrets get out through these ventilation systems before they cause damage elsewhere in our house – like overheating an electrical unit (not what anyone wants).

Dirty Oil or Gas Burner

To avoid problems with the furnace, have it professionally cleaned every few years. This will keep accumulated dust from clogging up its system and causing you trouble igniting!

Compromised Flame Sensor

You may have a problem with your furnace if it’s blowing warm but then quickly turning cold. This could be an issue with the flame sensor, which will need attention from someone who knows what they are doing because there’s not much that can easily solve this type of repair without professional help!