Top 5 Winter Heating Issues and How to Fix Them

As the temperatures drop and winter settles in across Arizona, your home’s heating system becomes essential for staying comfortable. However, the winter months can also bring about a variety of heating issues. Some of these problems are relatively simple to fix, while others may require professional attention. In this blog post, we’ll walk you through the top 5 most common heating problems homeowners face in the winter, along with troubleshooting tips on how to resolve them.

1. Clogged or Dirty Air Filters

Problem: One of the most common causes of heating issues in winter is a clogged or dirty air filter. When your furnace’s air filter gets clogged with dust, dirt, or debris, it restricts airflow, causing the system to work harder and less efficiently. This can result in reduced heat output, higher energy bills, and even system breakdowns if left unresolved.

How to Fix It:

• Step 1: Turn off your heating system to avoid any accidents.
• Step 2: Locate the air filter (usually near the air handler or furnace).
• Step 3: Inspect the filter for dirt and dust buildup. If it appears clogged, replace it with a new one of the same size and type.
• Step 4: Consider setting a reminder to check and change your filter regularly, typically every 1-3 months during the winter.

Pro Tip: A clean filter not only helps your system run more efficiently but also improves indoor air quality, which is particularly important in the winter when homes are sealed up tight.

2. Thermostat Malfunctions

Problem: If your home isn’t heating up properly, the issue could be with the thermostat. Malfunctions like inaccurate temperature readings, a thermostat that won’t turn on, or a system that runs constantly can all be signs of thermostat problems. Sometimes the issue can be as simple as a dead battery, or it could be something more complex, like a faulty sensor or wiring.

How to Fix It:

• Step 1: Check if the thermostat is set to “Heat” and is set to your desired temperature.
• Step 2: Replace the batteries if your thermostat is battery-powered.
• Step 3: If the temperature readings seem inaccurate, try recalibrating your thermostat if it has that option, or move any objects (like furniture) that might be blocking its sensor.
• Step 4: If your thermostat is still malfunctioning, it may be time to call a professional to inspect and possibly replace it.

Pro Tip: If your thermostat is older, consider upgrading to a smart thermostat. These devices not only improve energy efficiency but also offer more precise temperature control. Contact an Oasis professional to ask about installation options and other benefits.

3. Pilot Light or Ignition Problems

Problem: For homeowners with gas-powered furnaces, a malfunctioning pilot light or ignition system can prevent your furnace from producing heat. If you notice your furnace isn’t working and the pilot light is out, it could be a sign of a clogged pilot tube, a thermocouple issue, or a more serious gas flow problem.

How to Fix It:

• Step 1: Turn off the furnace and gas supply. Wait 5-10 minutes to ensure all gas has dissipated.
• Step 2: Relight the pilot light according to the manufacturer’s instructions. Most newer models will have an automatic ignition system, but if you have an older furnace, you may need to manually light it with a match or lighter.
• Step 3: If the pilot light doesn’t stay lit, check the thermocouple (a safety device that controls gas flow to the pilot) and make sure it’s properly positioned and clean. If the thermocouple is damaged or worn out, it may need replacing.
• Step 4: If the issue persists, contact a professional to inspect the gas flow or ignition system.

Pro Tip: Never attempt to repair a gas issue yourself if you’re unsure of what you’re doing. Always call a licensed technician at Oasis if you have concerns about gas safety.

4. Furnace Blowing Cold Air

Problem: It’s frustrating to have your furnace running but blowing cold air instead of warm air. This issue is commonly caused by one of several factors, such as a clogged filter, a malfunctioning thermostat, or a problem with the furnace’s ignition system.

How to Fix It:

• Step 1: First, check your thermostat to ensure it’s set to “Heat” and the temperature is high enough to trigger the furnace to turn on.
• Step 2: Check the air filter. A dirty filter can cause the furnace to overheat and shut off before it has a chance to warm up your home.
• Step 3: Check the furnace for any visible issues, such as a pilot light that’s out or a gas valve that’s been turned off.
• Step 4: If the furnace continues to blow cold air, you may need to call a professional technician to inspect the ignition system or gas valves.

Pro Tip: If your furnace cycles on and off frequently without producing heat, it might be experiencing short cycling. This is often caused by a dirty filter, but it can also be a sign of a more serious issue, such as a malfunctioning limit switch.

5. Furnace Not Turning On at All

Problem: If your furnace won’t turn on at all, it could be due to several issues, such as an electrical problem, a tripped circuit breaker, or a malfunctioning furnace switch.

How to Fix It:

• Step 1: Check the thermostat to ensure it’s set to the correct temperature and mode.
• Step 2: Make sure the furnace power switch is turned on. This switch is usually located on or near the furnace itself.
• Step 3: Inspect your home’s circuit breaker panel for any tripped breakers. If the furnace’s breaker has tripped, reset it and try turning the furnace on again.
• Step 4: If these steps don’t solve the issue, it could be an electrical or internal mechanical problem, such as a faulty blower motor or a damaged capacitor. In this case, you’ll need to call in a professional HVAC technician to diagnose and repair the problem.

Pro Tip: Some furnaces have a reset button. If your furnace has one, try pressing it and see if that resolves the issue. If not, a technician at Oasis should be contacted.

When to Call a Professional

While some heating issues can be resolved by homeowners, there are times when you’ll need to call in a professional HVAC technician. If you’ve tried troubleshooting these common problems and your furnace still isn’t working properly, it’s best to schedule an inspection and repair service with Oasis. An experienced technician can diagnose the issue, repair it quickly, and ensure your heating system is running safely and efficiently throughout the winter. 

Conclusion

Winter heating problems can be a major inconvenience, but with a little troubleshooting, many issues can be resolved quickly. Regular maintenance, like changing air filters and checking your thermostat settings, can help prevent these problems from occurring in the first place. If you’re experiencing any of the issues mentioned above and can’t resolve them on your own, don’t hesitate to call Oasis to ensure your home stays warm and comfortable all season long.

By understanding and addressing these common winter heating issues, you’ll be able to troubleshoot problems before they become bigger, more expensive repairs. Stay warm, stay safe, and enjoy a cozy winter indoors!