Furnace Repair Spring Valley

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Frequently Asked Questions about Furnace Repair

Having problems with your heating system? Get answers to common questions about furnace repair and find trusted local technicians.

What is the average lifespan of a furnace?

The average lifespan of a furnace is around 15-20 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: Frequent or continuous use puts more strain on your system.
  • Quality: Higher-quality furnaces from reputable brands are typically more durable.
  • Proper Installation: Correct installation is key to longevity.
An older furnace may require more repairs and cost more to operate.

What causes a furnace to stop working?

There are several reasons why your furnace might stop working, from minor issues to major breakdowns. Here are some possible culprits:
  • Lack of power: Check the circuit breaker to ensure the furnace is receiving power. A tripped breaker is a common and easily resolved problem.
  • 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. Try resetting the thermostat or replacing the batteries. If that doesn't solve the problem, the thermostat may need to be replaced.
  • Clogged air filter: A dirty air filter can cause many problems. Try replacing the filter.
  • Ignition problems: Issues with the igniter or pilot light can prevent the furnace from starting. In newer furnaces, electronic ignition systems control this process and should be checked if there are problems.
  • 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 inducer motor, capacitor, or pressure switch, might be responsible.
It is typically best to avoid trying to fix the furnace on your own unless you're a qualified HVAC professional.

What is the difference between a single-stage and two-stage furnace?

Single-stage and two-stage furnaces differ in their heating output capabilities:
Single-stage furnaces operate at only one output level – full capacity. This may cause uneven heating and fluctuating bills because the temperature fluctuates more than with two-stage furnaces.
Two-stage furnaces offer two levels of heat output: a lower setting for mild weather and a higher setting for colder temperatures. They work by running at a lower speed most of the time and switching to high speed when necessary. A two-stage furnace may be a more expensive initial investment, but it can provide greater comfort and savings over time.

What are the different types of furnaces?

The most common types of furnaces are classified by their fuel source:
  • Natural Gas Furnaces: fueled by natural gas Natural gas furnaces tend to be efficient and have lower operating costs compared to oil or propane furnaces.
  • Propane Furnaces: Propane furnaces are similar to natural gas furnaces These are a good option in areas where natural gas isn't accessible.
  • Oil Furnaces: Oil furnaces burn heating oil as fuel, which is stored in a tank. They require more maintenance and tend to be less efficient than gas furnaces.
  • Electric Furnaces: Electric furnaces are fueled by electricity. Their installation cost is usually lower, but electricity prices can affect operating costs significantly.
An HVAC professional can help you determine the best type of furnace for your home or business.

What is the average lifespan of a furnace?

The average lifespan of a furnace is around 15-20 years. How long your particular furnace will last depends on several factors, including::
  • Maintenance: Preventative maintenance can help extend the life of your furnace. Annual checkups and timely repairs are essential.
  • Usage: The more frequently you use your furnace, the shorter its lifespan will be.
  • Quality: Well-built models tend to last longer.
  • Proper Installation: Correct installation is key to longevity.
An older furnace may require more repairs and cost more to operate.

What causes a furnace to stop working?

There are many potential causes of furnace failure, from minor issues to major breakdowns. Here are some possible culprits:
  • 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 dirty air filter can restrict airflow and prevent the furnace from working efficiently.. Try replacing the filter.
  • Ignition problems: The igniter or pilot light (in older furnaces) is responsible for lighting the burners. 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): Make sure the gas supply valve to the furnace is turned on.. Check that there are no gas leaks.
  • Other component failures: Other components, such as the inducer motor, capacitor, or pressure switch, might be responsible.
It is typically best to avoid trying to fix the furnace on your own unless you're a qualified HVAC professional.

What is the difference between a single-stage and two-stage furnace?

Single-stage and two-stage furnaces have operational differences.
Single-stage furnaces operate at only one output level – full capacity. This can lead to uneven heating and fluctuating bills because the furnace is either running at its maximum setting or completely off..
Two-stage furnaces can run at both low and high speed. This allows the furnace to modulate its output based on the actual heating demand, resulting in more consistent temperatures, quieter operation, and improved energy efficiency. A two-stage furnace may be a more expensive initial investment, but it can provide greater comfort and savings over time.

What are the different types of furnaces?

The most common types of furnaces are classified by their fuel source:
  • Natural Gas Furnaces: These are the most popular type, fueled by natural gas, which is generally readily available and relatively affordable in many areas. Natural gas furnaces offer cleaner energy, especially compared to oil.
  • Propane Furnaces: Propane furnaces are similar to natural gas furnaces These are a good option in areas where natural gas isn't accessible.
  • Oil Furnaces: Oil furnaces burn heating oil as fuel, which is stored in a tank. Oil units may require additional considerations for fuel storage and delivery.
  • Electric Furnaces: Electric furnaces use electric resistance heating elements to generate heat.. Their installation cost is usually lower, but electricity prices can affect operating costs significantly.
An HVAC professional can help you determine the best type of furnace for your home or business.