Your home’s heating system likely faces a lot of wear and tear during an extreme Wisconsin winter. You expect your heater to run efficiently, delivering reliable warmth every day. Without a working heater, residents face more than just an inconvenience. Prolonged exposure to cold indoor temperatures can lead to frozen pipes, structural damage, and serious health risks for your family.
If your furnace is on the fritz, there’s no time to waste. Identifying the cause early is the first step toward preventing a complete system failure. Keep reading for more on the top five common furnace issues that can strike after a harsh Wisconsin winter, along with signs it may be time to call a professional.
Malfunctioning Thermostat
Your thermostat is designed to control your furnace’s heating output. If it malfunctions, it can significantly hinder your furnace’s ability to operate by failing to sense your home’s heating needs. First, check if your thermostat is set to the appropriate temperature and adjust as needed.
If problems continue, check for dead batteries and replace them when it’s time. If your thermostat still isn’t responding properly, an underlying wiring issue or calibration problem may be preventing accurate communication with your furnace. In these cases, professional furnace repair may be required to restore reliable operation.
Your Furnace Isn’t Producing Warm Air
Even if your furnace turns on, it may not properly distribute warm air throughout your home. This is often caused by a clogged blower, which restricts airflow and reduces heating efficiency. If your thermostat is set to “fan” instead of “heat,” your furnace may blow cool air, so double-check the settings.
A tripped circuit breaker or blown fuse can also cause heating interruptions. If resetting the breaker doesn’t resolve the issue, there may be a deeper electrical or control-board problem that requires expert diagnosis. Ignoring these symptoms can quickly turn a minor issue into a full system shutdown.
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608-837-3638Dirty Ductwork
The more your furnace runs, the more dirt, dust, and debris can build up in your ductwork. This buildup restricts airflow and prevents heat from circulating evenly throughout your home. Inconsistent room temperatures and weak airflow from vents are common warning signs.
If airflow feels restricted, scheduling professional air duct cleaning can improve airflow, reduce system strain, and enhance overall indoor comfort.
Dirty Air Filter
Over time, dust, dirt, and debris build up on your furnace’s air filter. While this issue doesn’t directly cause immediate failure, it forces your furnace to work harder to produce heat. This added strain increases wear on internal components and raises energy bills.
Inspect your air filter monthly during heavy use and replace it as needed. Routine furnace maintenance helps catch airflow issues early and keeps your system operating safely and efficiently.
Abnormal Noises
If you notice grinding, banging, rattling, or screeching noises coming from your furnace, there’s likely a mechanical issue. Loose components, worn blower bearings, or motor problems can create dangerous operating conditions if left unaddressed.
As soon as you hear unusual sounds, schedule furnace repair services. Prompt repairs help prevent further damage and reduce the risk of an emergency breakdown during cold weather.
Schedule Furnace Repairs With Action Today
Action is your leading resource for dependable furnace repair services in Wisconsin. Since 1989, our family-owned company has delivered upfront pricing, honest recommendations, and workmanship you can trust. We focus on long-term solutions, not quick fixes.
Schedule an appointment with the Action team today to ensure your furnace is ready to handle Wisconsin’s toughest winter conditions.
