How Does a Gas Furnace Actually Work?Texans appreciate the arrival of crisp, winter air more than most, though our winter weather is warmer than the northern states. Many people here in North Houston prefer the clean reliability of a gas furnace for those days when the northers bring winter weather. In addition to a reliable HVAC (heating, ventilation, and air conditioning) system, we want safety and energy efficiency, too.

Gas Furnace 101

The basic gas furnace components that work together to heat your home are:

  • Burner
  • Heat exchanger
  • Ductwork
  • Vent pipe(s) or flue

Your thermostat setting controls the amount of indoor warmth in your home. A gas furnace powers a forced air heating system that responds when your indoor temperature falls below a certain number on the thermostat. First, an electric fan pulls fresh air into the furnace. The fresh air must be free of dust, dirt, and other airborne particles.

An electronic igniter alerts the furnace that warm air is required and the burner then ignites. The heat exchanger separates the gas from the warm air, and a fan moves the air into and through the ventilation system. If you are heating a larger home or a suite of offices, your furnace may have 2 or more burners.

The final step in the process is when the flue discharges the toxic and potentially harmful gas byproducts outside the building. The process is repeated until the inside air reaches the desired, warmer temperature.

Informed Decisions are Best

At Bradbury Brothers Heating and Air Conditioning, we believe that educating our friends and neighbors goes a long way toward helping them make the right decisions – informed decisions – about their HVAC system. We hope you’ll decide to trust us with your home’s indoor heating and cooling system this year. Your furnace requires at least one professional inspection every year. Call 281.651.5484, 936.271.2030, or contact us today to schedule your inspection. If your home needs an HVAC upgrade, check out our printable coupons for additional savings!