What is the furnace coil, and what are things that can go wrong with it?

A furnace breakdown in the dead of a Chicagoland winter is nothing short of a nightmare for any homeowner. That’s one of the reasons we recommend our professional furnace tune-up in the fall before winter starts. In this blog post, we’re going to review an often-overlooked furnace component, the furnace coil, and why it matters to your system.

What is the furnace coil?

Also known as the “A Coil,” the furnace coil is an important component of your system that is either installed inside the furnace or as part of the air handler. The coil serves as a heat exchanger that produces warm air inside the furnace.

When the electric or gas burner coils activate, the heat exchanger heats the air that is pushed through the ducts by the blower fans.

Why is cleaning the coil so important?

As the system ages and goes without maintenance, dust and dirt can accumulate on the coil, preventing effective heating and causing your system to become less energy-efficient. As the air passages of the coil are blocked, the heating will get noticeably less effective.

In cases where the coil is so covered in dirt and dust to be nearly completely blocked, the airflow to the system will likely be blocked, causing your furnace to overheat. Your furnace does have a temperature failsafe that will kick in to shut off the system, but you’ll need to call King for our 24/7 furnace repair.

Apart from dust, another obstruction of the coil can be in the form of mold. The dark and warm environment of the coil serves as the ideal breeding ground for a mold infestation.

Airborne molds can enter the return ducts and invade the coil, spawning a thriving mold colony on and around the coil that will restrict airflow. The dried mold residue will clog the coil thereby substantially reducing the airflow and degrading the effectiveness of the furnace—not to mention your indoor air quality.

Heating maintenance matters

The evaporator coil needs to be kept cleaned at all times. It’s important that you have the coil cleaned by a professional technician from King Heating, Cooling & Plumbing.

If dirt and dust are allowed to accumulate on the coil, it will not just lead to reduced effectiveness of the heating system, but also higher heating bills and—possibly—a system breakdown.

Call King and get help from expert technicians

You should never try to service the furnace coil yourself. The coils are sealed inside the furnace and are not easily accessible. Trying to clean the coil on your own puts you in extreme danger of an electric shock. Also—and this is true for any type of DIY HVAC repair—you can inadvertently damage the system if you try to repair the system yourself.

Our advice? Let our experts handle your furnace repair and maintenance—including cleaning your condenser coil. Contact King today for 24/7 repair.

Signs you have furnace problems in Chicago this winter

We’re in the middle of the winter season here in Chicagoland, and many furnaces are pulling multiple shifts just to keep up with your home’s heating needs. Furnace problems can often come out of nowhere, but knowing the signs of trouble can help you take quick and decisive action to get your furnace fixed—before it breaks down.

When you encounter furnace problems, contact the experts at King. We offer 24/7 furnace repair here in Oak Forest, Joliet, and surrounding areas.

What are the signs you have furnace problems?

There are four prominent signs that your furnace is on the verge of a breakdown. Here’s what you should be on the lookout for:

#1. Your heating bills are constantly increasing

One of the most common and obvious signs your furnace needs repair is that your heating bills are continuously increasing. Poorly maintained furnaces often become less effective and require more energy to run at full capacity. (That’s why a furnace tune-up is so important!)

Be on the lookout for increased utility bills this winter. If your December bills are incredibly high, consider calling our team for a furnace inspection and repair.

#2. You hear strange noises from your furnace

Strange noises coming from the furnace is one of the most prominent red flags when it comes to the health of your furnace and heating system. If you hear screeching, popping, humming, or banging sounds coming from your furnace, you probably have furnace problems.

Call an expert right away and get your system checked before it stops working altogether.

#3. You smell gas or other strange smells

If you have an older furnace in your home, you should have a working carbon monoxide detector and be on the watch for any gas issues.

Older furnaces have a higher chance of developing a cracked heat exchanger—a fault that has the potential to release deadly carbon monoxide gas into your home. Other furnace problems can lead to gas you can smell. Be vigilant, and—when in doubt—call in the experts.

#4. Your furnace isn’t performing to your expectations

You should be able to trust your furnace to keep you and your family warm all winter. If you’re encountering cold spots in your home, a lack of heat at night, or other problems, don’t just settle for poor heating. A heating system that is struggling to keep up with your needs is a heating system in need of repair or replacement.

Furnace problems don’t just go away magically. What’s a minor inconvenience today could turn into a full breakdown during the next blizzard. Call King to schedule a heating tune-up or for repair if you suspect something is wrong.

Call King in to address you furnace problems this winter

These are just some of the warning signs that can help you identify that your furnace is in need of repair or maintenance. Look out for these signs and—if you notice any of these—call the experts at King right away.

For professional furnace repair and maintenance in South Side Chicago, the South Suburbs and Parts of NW Indiana, contact our team.