Furnace Repair Santa Clara

Frequently Asked Questions about Furnace Repair

What causes a furnace to stop working?

There are several reasons why your furnace might stop working, ranging from simple issues to more complex problems. Some of the most common causes include::

• Lack of power: Check the circuit breaker to ensure the furnace is receiving power. Make sure the power switch near the furnace is also on.
• Thermostat problems: Check that the thermostat is set correctly to 'heat' and at a temperature higher than the current room temperature. Replace batteries if the display is blank or not working. A malfunctioning thermostat requires replacement.
• Clogged air filter: A clogged air filter can restrict airflow and prevent the furnace from working efficiently.. Try replacing the filter.
• Ignition problems: Issues with the igniter or pilot light can prevent the furnace from starting. A faulty igniter or pilot light may need to be cleaned or replaced..
• Blower motor issues: The blower motor is crucial to distributing warm air throughout your home. If the blower motor is broken, the furnace may not produce enough heat.
• Gas supply problems (for gas furnaces): Gas furnaces require both gas and electricity to function properly. Check that there are no gas leaks.
• Other component failures: Other components, such as the heat exchanger, flame sensor, control board, or limit switch, can also cause furnace malfunctions..

If you cannot identify or resolve the issue yourself, contact a furnace repair specialist .

What is the average lifespan of a furnace?

The average lifespan of a furnace is typically 15 to 20 years. However, this can vary depending on several factors: is influenced by:

• Maintenance: Preventative maintenance significantly impacts the lifespan of your furnace. A preventative maintenance plan are essential.
• Usage: The more frequently you use your furnace, the shorter its lifespan will be.
• Quality: Higher-quality furnaces from reputable brands are typically more durable.
• Proper Installation: Correct installation is key to longevity.

If your furnace is over 15 years old and starting to experience frequent problems, it may be time to consider replacing it.

What are the signs that my furnace needs to be replaced?

If your furnace is exhibiting any of the following signs, it may be time for a replacement:

• Age: If your furnace is 15-20 years or older, it is likely less efficient and more expensive to operate.
• Frequent Repairs: If your furnace requires constant attention, it may be a better financial decision to replace it than to continue fixing it.
• Increasing Energy Bills: A significant increase in your heating bills could indicate that your furnace is losing efficiency.
• Inconsistent Heating: Uneven temperatures throughout your house could mean your furnace isn't functioning as it should.
• Strange Noises: Listen for odd noises coming from the unit.
• Yellow Flame: A healthy furnace flame should be blue. A yellow flame can indicate a problem with the burners or venting. A yellow flame requires immediate attention.
• Dry Air: While not a direct indicator of malfunction, older furnaces can make your indoor air very dry.

If you notice one or more of these warning signs, have a qualified HVAC technician inspect your furnace.

How do I reset my furnace?

Before calling for repairs, consider resetting your furnace. Here's how to reset most furnaces:

1. Turn off the furnace: Set the thermostat to the 'off' position.
2. Turn off the power: Locate the circuit breaker for your furnace and switch it off.
3. Wait: Wait a few minutes for the system to fully power down.
4. Turn the power back on: Flip the circuit breaker back to the 'on' position.
5. Turn on the furnace: Turn the thermostat back on and set it to your desired temperature.

If the problem continues after the reset, it's best to call a qualified HVAC technician for diagnosis and repair..