As summer winds down and crisp fall weather approaches, it’s the perfect time to turn your attention to your home’s heating system. The last thing any homeowner wants is to switch on the furnace during the first chilly night only to discover it’s not working properly.
Preparing now can help you avoid costly breakdowns, improve efficiency, and ensure a warm, comfortable home all season long. Here are four simple tips to get your heating system ready for fall.

Check and Clean Your Furnace
Your furnace has likely sat idle for months, collecting dust and debris. Before you power it up for the season, give it a little attention. Start by checking the air filter—it should be replaced every 1–3 months for peak efficiency. A clogged filter restricts airflow, forcing your furnace to work harder and reducing indoor air quality.
Next, vacuum around the unit to remove dust buildup and make sure the area is free from clutter. For a deeper cleaning of the internal components, it’s best to schedule a professional tune-up. A clean furnace not only runs more efficiently but also lasts longer.
Ensure Proper Ventilation and Airflow
Good airflow is essential for both comfort and safety. Take time to check your home’s vents and registers to make sure they’re not blocked by furniture, rugs, or curtains. Clean off any visible dust or debris so warm air can circulate freely throughout your home.
In addition to inside vents, inspect your furnace’s exhaust vent outside. Birds, insects, and debris can sometimes block these openings, creating dangerous ventilation issues. Keeping them clear ensures proper operation and prevents harmful gases from building up indoors.
Address Repairs Before the Cold Sets In
If your furnace showed signs of trouble last winter—strange noises, uneven heating, or frequent cycling—don’t wait until freezing temperatures to get it checked. Small issues often become big problems when the system is under heavy demand. Scheduling repairs now means you’ll avoid inconvenient breakdowns later, and you’ll likely have more flexibility with appointment times before the busy winter rush.
Even if you haven’t noticed problems, scheduling a professional inspection is a smart move. A licensed technician can identify worn-out parts, test safety controls, and ensure your system is operating at peak performance before the heating season begins.
Consider an Energy-Efficient Upgrade
If your furnace is more than 10 to 15 years old, fall is a great time to start thinking about replacement. Newer models are far more energy-efficient, helping you save on utility bills while delivering consistent comfort.
Today’s systems also offer advanced features like variable-speed blowers and smart thermostat compatibility, giving you better control over your home’s heating. Even if you’re not ready to replace your furnace right away, now is the perfect season to explore your options and plan ahead—before you’re stuck making a rushed decision in the middle of winter.
Contact Althoff Home Services today to schedule an appointment with our professionals. Chicago’s Choice Since 1961. Hand It Off to Althoff!