Common Winter Heating Problems and How to Fix Them

Winter in Chattanooga, Tennessee, can bring freezing temperatures, and the last thing you want is a malfunctioning heating system. Unfortunately, heating problems are common during the colder months, but many can be fixed with simple troubleshooting or professional repair services. Here are the most frequent winter heating issues and how to resolve them.

1. Furnace Blowing Cold Air

If your furnace is running but only blowing cold air, it could be due to:

A dirty air filter restricting airflow
A malfunctioning thermostat
Pilot light issues in gas furnaces

Solution: Start by replacing the air filter and checking your thermostat settings. If the problem persists, contact an HVAC professional to inspect your furnace.

2. Uneven Heating Throughout Your Home

Are some rooms too warm while others remain chilly? Uneven heating can be caused by:

Blocked air vents or ductwork
Improperly sized HVAC systems
Failing furnace components

Solution: Ensure all vents are open and unobstructed. If the problem continues, consider having your ductwork inspected or upgrading to a zoned heating system.

3. Heater Constantly Running

A heating system that won’t turn off can lead to high energy bills and unnecessary wear and tear. Possible causes include:

A faulty thermostat
A clogged air filter
Leaky ductwork causing heat loss

Solution: Check the thermostat settings and replace the air filter. If the issue isn’t resolved, have an HVAC technician assess your system for leaks or mechanical failures.

4. Strange Noises Coming from the Furnace

Unusual noises such as banging, rattling, or squealing can indicate:

Loose or damaged furnace parts
A failing blower motor
Ignition problems

Solution: Turn off your furnace and schedule a professional inspection to diagnose and fix the problem before it leads to a complete breakdown.

5. Increased Heating Bills

If your energy bills have spiked unexpectedly, your heating system may be operating inefficiently due to:

Dirty or clogged filters
Aging HVAC components
Poor insulation in your home

Solution: Regular HVAC maintenance can improve efficiency. Also, consider upgrading to an energy-efficient furnace if your current system is outdated.

6. Pilot Light or Ignition Issues

A furnace that won’t start may have:

A dirty or faulty pilot light sensor
A broken ignition system
Gas supply problems

Solution: Try resetting the furnace, but if the issue persists, call a professional to inspect the pilot light and ignition system for safety reasons.

Keep Your Home Warm All Winter Long

Don’t let heating problems leave you in the cold! If you're experiencing any of these issues, AIR SOLUTONS HVAC, based in Chattanooga, Tennessee, specializes in expert HVAC Installation, HVAC Maintenance and HVAC Repair. Call 423-304-5898 or Request A Free Quote.

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Why Regular HVAC Maintenance Is a Must for Chattanooga Homeowners

By AIR SOLUTIONS HVAC • December 18, 2025

Living in Chattanooga, Te nnessee means experiencing hot, humid summers and chilly winters. Your HVAC system works overtime to keep your home comfortable year-round. But without regular maintenance, even the best systems can falter when you need them most. The Importance of HVAC Maintenance Regular HVAC maintenance isn't just about preventing breakdowns; it's about ensuring efficiency, safety, and longevity. Here's why it's essential: Enhanced Efficiency : A well-maintained system operates more efficiently, reducing energy consumption and lowering utility bills. Extended Lifespan : Routine check-ups can extend the life of your HVAC unit, delaying the need for costly replacements. Improved Air Quality : Cleaning and replacing filters ensures the air circulating in your home is clean and free from allergens. Peace of Mind : Knowing your system is in top shape provides comfort and confidence, especially during extreme weather conditions. What Does Maintenance Involve? At Air Solutions HVAC , our comprehensive maintenance services include: Inspecting and cleaning coils Checking electrical connections and wiring Testing system controls and thermostat operations Replacing or cleaning air filters Inspecting the heat exchanger and burner assembly Checking for gas leaks and ensuring safety controls are operational Regular maintenance not only keeps your system running smoothly but also identifies potential issues before they become major problems. Affordable Maintenance Plans Understanding that every homeowner has unique needs, Air Solutions HVAC offers tailored maintenance plans: Bronze Package : Annual check-up with essential services to keep your system in check. Gold Package : Bi-annual visits, priority service, and discounts on repairs. Platinum Package : Comprehensive coverage with additional perks like service call waivers and significant discounts on new systems. These plans are designed to provide value, convenience, and peace of mind. Don't Wait Until It's Too Late Proactive maintenance is the key to uninterrupted comfort. Don't wait for a breakdown to think about your HVAC system's health. Our team is dedicated to keeping Chattanooga homes comfortable, efficient, and safe all year long. Call Air Solutions HVAC today at (423) 304-5898 to schedule your maintenance service or to learn more about our maintenance plans.