Complete Furnace Replacement Guide

What Parts Does A Furnace System Have, And What Do They Do?


Are you considering replacing your current furnace with a newer, more efficient model? Not sure where to start? There are a few different types of furnaces and over a hundred different furnace manufacturers. Most homeowners have never purchased a furnace before and the thought of it can be overwhelming. So while research is important,when it comes to choosing the right furnace for your home, it’s best to have a HVAC Company you trust to review your existing system and discuss what options may be available. This can be done during an in-home consultation which is typically no charge. With that being said, below is information about a furnace and its components and some commonly asked questions.

Heat Exchanger

The heat exchanger removes toxic gases that are emitted in the combustion chamber during the fuel-burning process. This step prevents toxic gases from circulating through your ductwork.


The burners ignite the gas-air combination to produce heat for household use.

Blower Motor

The blower motor pushes the heated air from the combustion chamber into the duct system where it circulates throughout your home.

Air Filter

The air filter cleans the air from dust, pet dander, and other contaminants so they don’t enter the HVAC unit. This essential component improves furnace efficiency and air quality.

Should I Repair Or Replace My HVAC System?

Here are the top three factors you should consider when deciphering whether a repair or replacement is better for your HVAC system.

Age: The older a heating system gets, the more wear and tear it sustains. Increased wear and tear often necessitates frequent repairs. If your current heating system requires constant repairs, it might be time to install a newer model.

Cost: There comes a time when repairs aren’t worth the money you put into them. Despite the significant upfront cost of replacing your heating system, it can be more cost-effective in the long run.

Efficiency: Older and poorly maintained heating systems suffer from energy inefficiencies. Inefficient systems not only experience more wear and tear but also produce higher monthly energy bills. Save your wallet by installing a newer, more energy-efficient system.

What Type Of Furnace Should I Buy?

The two main furnace types are gas and electric. Consider the main features and benefits of each before choosing one for your home.

Gas Furnace

This furnace type is fueled by gas. Gas furnaces are more cost-effective than electric furnaces because gas is typically cheaper than electricity.

Electric Furnace

This furnace type is fueled by electricity. Electric furnaces are more energy-efficient and environmentally friendly than gas furnaces. They also require less maintenance.

4 Advantages Of Modern Furnaces

  1. Maximum Efficiency: Thanks to technological advancements in the HVAC industry, modern furnaces are much more energy-efficient than older models.
  2. Optimal Cost Savings: Since modern furnaces require less energy to heat homes, you can enjoy the same indoor comfort at a fraction of the cost.
  3. Increased Comfort: More efficient furnaces heat homes better and faster than ever before.
  4. Reliable Home Heating: Newer furnace models experience fewer malfunctions and breakdowns than older models, offering more reliable heat production.

3 Furnace Enhancements That Improve Energy Efficiency

  1. Smart Thermostat: A smart thermostat lets you control the temperature of the air your furnace produces. You can pre-program heat settings based on your sleep schedule and when you’re home. Installing a smart thermostat will help you save money by heating your home only when necessary.
  2. Zoned HVAC System: HVAC zoning gives you control over the temperature of every room in your home by directing heat only to the rooms you designate. You can save money by directing heat to rooms you frequently use during the winter, and away from rooms you never use.
  3. Humidifier: Cold, dry winter air is as bad for hair and skin as it is for your furnace. That’s because it creates a moisture imbalance that makes the air feel colder than it is. This encourages you to crank up the heat, which puts unnecessary strain on your furnace. By balancing the air’s moisture level, a humidifier reduces the need for heat production and gives your furnace a break.

The Trusted HVAC Experts Since 1959

When you need reliable furnace service from a reputable contractor, Air-Rite Heating & Cooling is the name you can trust. Our HVAC technicians are equipped with the tools and experience needed to keep your furnace in tip-top shape. We serve homeowners across locations in the Greater Chicagoland area, including Burr Ridge, Wheaton, Huntley, Aurora, Vernon Hills, Mundelein, Oak Brook, & Naperville.

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