After months of warmer weather, your furnace probably hasn’t been getting much use. As fall approaches, however, it’s a good idea to make sure your heating system is ready before the first chilly evening arrives. Waiting until you actually need heat to discover a problem can leave you scrambling for an unexpected repair.
Taking time to test your furnace in early fall gives you an opportunity to see how the system starts, listen for unusual sounds, and determine whether it’s producing heat properly. More importantly, an early test can help uncover problems while there’s still time to schedule professional furnace service before your heating system becomes part of your everyday routine.
Testing Your Furnace Before You Actually Need It
You don’t have to wait for a cold day to find out whether your furnace is working properly. In fact, choosing to test your furnace before temperatures drop can make it much easier to address a problem on your own schedule.
A furnace that hasn’t operated regularly for several months may have developed an issue during the off-season, or an existing problem from last heating season may still be present. Testing the system early gives you a chance to identify those concerns before you’re relying on the furnace to keep your home comfortable.
Early fall is also an ideal time to think about preventative maintenance. ENERGY STAR recommends professional pre-season heating checkups in the fall, before contractors become busier during the winter heating season.
1. Test Your Furnace to Make Sure It Starts Properly
The most basic reason to test your furnace is simply to make sure it turns on when you ask it to.
Set your thermostat to heating mode and adjust the temperature high enough to call for heat. The furnace should begin its normal startup process and eventually deliver warm air throughout your space.
Pay attention to how the system responds. If nothing happens, the furnace takes an unusually long time to start, or it starts and then quickly shuts down, there may be a problem that requires professional attention.
Issues with the thermostat, ignition system, electrical components, or other furnace parts can prevent normal startup. Rather than discovering one of these problems on a cold evening, an early test gives you time to schedule an inspection and repair.
2. Test Your Furnace and Pay Attention to Unusual Noises
Another reason to test your furnace before heating season is to listen to the system while it operates.
Furnaces naturally make some noise when starting, running, and shutting down. However, new or unusually loud sounds shouldn’t automatically be dismissed just because the furnace is still producing heat.
Listen for noises such as:
- Banging
- Rattling
- Squealing
- Grinding
- Persistent clicking
- Unusually loud humming
Different noises can have different causes, ranging from loose components to problems with moving parts or the ignition system. You don’t need to diagnose the problem yourself. Instead, the goal is to recognize when something sounds different from normal.
If you test your furnace and hear a sound that wasn’t there last season, having it professionally evaluated can help determine whether a repair is needed before regular heating begins.
3. Test Your Furnace to Check Airflow and Heat Output
When you test your furnace, don’t just confirm that it turns on. Walk through your home and pay attention to how the system is actually performing.
Air coming from the vents should feel warm once the furnace reaches its normal operating cycle. You should also notice reasonably consistent airflow throughout the home.
Potential warning signs can include:
- Weak airflow from vents
- Air that doesn’t feel warm
- Rooms that take unusually long to heat
- Significant temperature differences between rooms
- A furnace that runs for long periods without reaching the thermostat setting
Restricted airflow can place additional strain on a furnace and affect how effectively it heats your home. A dirty filter is one possible cause, but airflow and heating problems can also involve other furnace components that require professional diagnosis.
Taking a few minutes to test your furnace now gives you an opportunity to notice these performance changes before cooler weather makes them much more inconvenient.
4. Test Your Furnace to See How It Cycles
A properly operating furnace should turn on, run long enough to provide heat, and shut off once the thermostat reaches the desired temperature.
When you test your furnace, pay attention to how frequently it starts and stops. If the system repeatedly turns on for short periods and then shuts back off, something may be interfering with its normal heating cycle.
Frequent cycling can sometimes be associated with airflow restrictions, thermostat problems, overheating, or other furnace issues. It can also place unnecessary wear on components when the furnace repeatedly starts and stops.
If you notice unusual cycling during your first fall test, Reliable Plumbing & Heating’s furnace repair services can help identify the underlying cause and determine what repairs may be needed.
5. Test Your Furnace Before You Need Emergency Heat
Perhaps the biggest reason to test your furnace early is simple: it’s much better to discover a problem when heating is optional than when heating is necessary.
If your furnace doesn’t work properly during a September test, you have an opportunity to schedule service before temperatures become consistently cooler. If you wait until the first cold evening to turn it on, a small problem can suddenly become an urgent one.
Testing early also gives you time to make informed decisions. If your furnace needs a repair, maintenance, or further evaluation, you can address it without the added pressure of a cold home.
Even if the furnace appears to operate normally, an early test can provide reassurance that the system is ready for the season ahead.
Testing Your Furnace Doesn’t Replace Professional Maintenance
While it’s smart to test your furnace yourself, turning the system on and observing its operation isn’t the same as having it professionally inspected and maintained.
Homeowners can pay attention to startup, airflow, noises, and general performance, but many important furnace components aren’t easily evaluated without proper training and equipment.
Professional furnace maintenance can involve checking electrical connections, controls, burners, airflow, thermostat operation, and other system components. ENERGY STAR’s heating and cooling maintenance guidance recommends annual pre-season checkups and notes that fall is an ideal time to have heating equipment professionally evaluated.
Think of your at-home furnace test as an early warning check. If something doesn’t seem right, or if the furnace hasn’t received professional maintenance recently, having the system evaluated can help you prepare for the months ahead.
What Should You Do If Your Furnace Doesn’t Pass the Test?
If you test your furnace and something seems wrong, don’t ignore the issue simply because you don’t need much heat yet.
A furnace that struggles to start, cycles frequently, makes unusual noises, produces weak airflow, or doesn’t provide enough heat may need professional attention. Continuing to operate a furnace with an unresolved problem could lead to additional wear or leave you without dependable heat when temperatures drop.
Reliable Plumbing & Heating provides furnace repair and maintenance for homeowners throughout Seaside, Monterey, Salinas, Santa Cruz, and surrounding communities. Their technicians can diagnose furnace problems and recommend the appropriate repair or maintenance based on what they find.
September is a good time to address those concerns because you’re catching them before regular heating season is underway.
Test Your Furnace Now and Be Ready for Fall
You don’t have to wait until you’re reaching for an extra blanket to find out whether your furnace is ready for cooler weather. Taking a few minutes to test your furnace now can help you spot changes in startup, airflow, heating performance, sounds, and cycling before those issues become more disruptive.
An early test also gives you time to schedule professional service if something doesn’t seem right. Combined with routine furnace maintenance, this proactive approach can help reduce the chances of discovering an unexpected problem when you need heat the most.
If you test your furnace and notice something unusual, or simply want to make sure your system is ready for fall, contact Reliable Plumbing & Heating to schedule professional furnace service before cooler weather arrives.