Winter brings frosty temperatures, and furnace operation becomes essential for staying warm. However, a malfunctioning furnace can turn cold months into an emergency. Therefore, homeowners must understand their furnace basics and ensure it works properly. In this blog, we will cover important details every homeowner should know to keep their furnace running smoothly throughout the winter.

Components of an HVAC System


The HVAC system has four main components: indoor unit, outdoor unit, thermostat, and air quality component. The indoor unit, usually a furnace or air handler, provides heat. The outdoor unit generates hot or cold air. The thermostat controls temperature and humidity, while the air quality component ensures clean air.

Heating Capacity


Heating capacity depends on home size, insulation, and climate. A mismatched unit size can cause inefficiency and high energy bills.

Ventilation System


Good ventilation ensures even heat distribution. Poor ventilation leaves parts of your home cold.

Exhaust System


Clean the exhaust regularly to avoid hazards.

Electrical Component


The electrical component powers the system. Have it checked yearly by a professional.

To sum up, understanding your furnace’s basics ensures its longevity and efficiency. The better you know its components and how they work, the easier it is to identify issues and maintain them properly. Additionally, regular maintenance prevents costly repairs and keeps your home warm during chilly months. For assistance, contact Steve Patrick Air, servicing Fresno and Clovis, at 559-224-1729.

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