Furnace Repair Coeur d'Alene

Frequently Asked Questions about Furnace Repair

What are the most common furnace problems?

Common furnace problems range from minor issues to major system failures, such as:

• No Heat or Reduced Heat Output: This can be caused by a variety of issues.
• Strange Noises: Unusual sounds like banging, squealing, or rumbling can indicate problems with the blower motor, igniter, or other components.
• Short Cycling: This is when the furnace turns on and off too frequently, reducing efficiency and potentially causing damage.
• Pilot Light/Ignition Problems: In older furnaces, a faulty pilot light can prevent the furnace from igniting. In newer furnaces, issues with the electronic ignition system can cause similar problems.
• Blower Motor Issues: The blower motor circulates air through the furnace and ductwork. A malfunctioning blower motor can cause reduced airflow, uneven temperatures, and loud noises. should be addressed by a technician.
• Dirty Air Filter: A dirty filter reduces airflow and decreases furnace efficiency. . It may lead to more serious problems.
• Cracked Heat Exchanger: This is a serious safety hazard, as it can lead to carbon monoxide leaks. A cracked heat exchanger needs to be repaired or replaced immediately.

Don't attempt DIY repairs if you're not qualified.

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 have only one setting, they either operate at 100% or are off. This can lead to uneven heating and fluctuating bills because the temperature fluctuates more than with two-stage furnaces.
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.Two-stage furnaces provide enhanced home comfort and energy savings compared to single-stage models.

What is a heat exchanger in a furnace?

The heat exchanger is a vital component in a furnace. It is responsible for transferring heat from the combustion process to the air that circulates throughout your home. . The heat exchanger also acts as a barrier between the combustion gases and the circulating air, preventing harmful gases, such as carbon monoxide, from leaking into your living space.. Cracks in the heat exchanger can be very dangerous, causing carbon monoxide to enter your house. Annual maintenance by a professional is highly recommended.

How can I tell if my furnace is the correct size for my home?

A properly sized furnace is essential for optimal home comfort. An too-small furnace will constantly run and struggle to heat your home effectively, especially in cold weather.. An too-large furnace will cycle on and off too frequently, wasting energy and shortening the system's lifespan.. Signs that your furnace may not be correctly sized include::

• High Energy Bills: An oversized furnace can lead to increased energy consumption.
• Inconsistent Temperatures: Noticeable temperature differences between rooms.
• Short Cycling: If your furnace turns on and off frequently, it may not be heating your space efficiently and wasting energy.
• Poor Air Quality: If the airflow from the vents seems weak or there are areas with inconsistent temperatures, the unit may be the wrong size.
• Excessive Noise: Oversized furnaces can make loud or unusual sounds

If you suspect your furnace is improperly sized, it's essential to consult with an HVAC professional. A Manual J load calculation can accurately determine the appropriate furnace size.. A proper sizing calculation is a worthwhile investment for optimal comfort and energy efficiency.