Troubleshooting Common Heating Problems

When the temperature drops, the last thing you want is for your heating system to stop working. Unfortunately, many homeowners experience common heating issues that can leave them feeling frustrated and cold. The good news is that some heating problems can be easily troubleshooted and resolved with a little know-how.

At American Weathermakers, we’ve compiled a list of common heating issues and some troubleshooting tips to help you get your system back on track.

1. The Heater Isn’t Turning On

If your heating system isn’t turning on, it could be due to several reasons. Before panicking, there are a few basic things you can check to resolve the issue.

Thermostat settings: Make sure your thermostat is set to "heat" and the temperature is higher than the current room temperature.
Power supply: Check the circuit breaker or fuse box to ensure power is reaching your heating system.
Pilot light: If you have a gas furnace, check to see if the pilot light is lit. If it's out, relight it following the manufacturer's instructions.

2. The Heater Is Blowing Cold Air

If your heater is blowing cold air instead of warming your home, this could be caused by several factors, ranging from minor issues to more complex repairs.

Thermostat setting: Double-check that your thermostat is set to "auto" rather than "on." The "on" setting can cause the blower to run continuously, even when the furnace isn’t heating.
Air filter: A dirty air filter can restrict airflow and prevent warm air from circulating. Replace your filter if it's dirty or clogged.
Fuel supply: For gas furnaces, ensure there is an adequate supply of gas. You may need to contact your gas provider if there’s a supply issue.

3. Uneven Heating in Different Rooms

Uneven heating is a common problem in homes and can often be traced back to your heating system or ductwork.

Blocked vents: Check that all your air vents are open and unobstructed. Blocked vents can cause rooms to receive uneven heating.
Thermostat location: If your thermostat is located in an area that’s warmer or colder than the rest of the house, it may not be able to accurately regulate the temperature.
Ductwork issues: Leaky or poorly insulated ductwork can cause warm air to escape before it reaches certain rooms. You may need a professional to inspect your ducts.

4. Unusual Noises Coming from the Heater

Strange noises coming from your heating system are often a sign that something is wrong. Ignoring these sounds can lead to more significant problems, so it’s essential to address them early.

Rattling or banging: This could indicate loose components or debris in the system.
Whistling: A whistling sound may point to a clogged air filter or restricted airflow.
Squealing: This is often caused by a worn or loose belt that needs replacement.

5. Short Cycling

Short cycling occurs when your heater turns on and off too frequently, preventing it from running long enough to warm your home properly. This issue can cause excessive wear and tear on your system.

Thermostat location: If your thermostat is in a drafty area or near a heat source, it may cause the system to short cycle.
Dirty air filters: Clogged filters can cause your system to overheat, triggering it to shut down prematurely.
Oversized unit: If your heating system is too large for your home, it may heat the space too quickly, causing short cycling. In this case, you may need a professional evaluation.

Get Expert Help from American Weathermakers

While some heating problems can be fixed on your own, others may require the help of a professional. At American Weathermakers, we have over 70 years of experience diagnosing and repairing heating systems in Northbrook, Highland Park, and the surrounding areas. If you’re dealing with heating issues that you can’t resolve, don’t hesitate to reach out to our team for expert service and support.

Call us today at (847) 503-9497 to schedule an inspection or repair, and keep your home warm and comfortable all winter long!