7 Things to Know Before Buying a Furnace in Wheeling

Buying a new furnace may not be a concern right away. But it’s wise to learn the things that will likely influence your choice when you’re ready to buy. Here are seven things you’ll want to consider when you’re due for furnace replacement in the U.S.

1. Size and Installation Quality 

To operate at peak efficiency and comfort, your furnace must be correctly sized for your home. When it involves furnaces, bigger is certainly not better. We often get requests from customers to install a big furnace in the mistaken belief that a larger furnace is either more dependable or will provide better comfort. 

The reverse is true. Large furnaces will short cycle, or continuously turn on and off. This leaves you uncomfortable, with more expensive energy bills and a furnace that could wear out much sooner. 

This is why it’s crucial to work with the right company when purchasing a new furnace. Even if it’s the correct size but improperly installed, the U.S. Department of Energy says you could forfeit as much as 30% of your energy efficiency. 

Another crucial component of installation is ductwork. If yours is old or improperly designed, you might have problems with sound or comfort. A furnace is only as effective as the duct system it’s linked to. 

At Service Experts Heating, Air Conditioning & Plumbing, our Expert HVAC technicians are ACE certified, which means they’re knowledgeable about repairing and installing various types of home comfort systems. Besides technical skill, our technicians are also trained in treating you ethically. We also support our work with a 100% satisfaction guarantee for a year.* 

2. Energy Efficiency 

Furnaces are ranked by a term called AFUE, or annual fuel utilization efficiency. Like miles per gallon on cars, this measures the annual gas consumption of a furnace. The higher the number, the less gas is spent during the heating process. 

If your current furnace is 15 years old, it’s likely ranked well below 80 AFUE. As an example, if your HVAC system is 70 AFUE, you’re throwing away up to 30 cents of each dollar you spend on heating. 

Here’s how AFUE ratings work today: 

  • 80 AFUE—minimum efficiency rating in the U.S. and Canada. 
  • 90 AFUE—ENERGY STAR® rating for furnaces in the U.S. South. 
  • 95 AFUE—ENERGY STAR® rating for furnaces in the U.S. North and Canada. 
  • 98 AFUE—best efficiency rating available. 

3. Blower Motor Technology 

As you research new furnaces there is one more important consideration: blower technology. This part moves air throughout your home. And it also consumes a lot of electricity, so it’s essential to know about your options. 

There are three kinds of blowers available on furnaces nowadays. They include: 

  • Standard blower motor. Furnaces that aren’t ENERGY STAR rated have a standard blower motor that’s been relatively the same for the past 30 years. This motor is the least costly and also the least energy efficient. 
  • Constant torque motor. This technology strikes a balance between price and energy efficiency. It delivers an electrical efficiency boost over a traditional motor design. 
  • Variable-speed motor. The most energy-efficient furnaces can run at different speeds. Instead of running at full speed 24/7, they will quietly operate at a low or medium speed at times. This helps improve your comfort while keeping energy costs low, both in the winter and summer. And it also keeps indoor humidity under control. 

4. Sound Reduction Technology 

Sound has become a very significant consideration with furnace installation, so another dramatic improvement has been noise management. Some of these features include: 

  • Sealed and insulated cabinets 
  • Variable-speed blower technology 
  • Nearly silent gas burners 

With this technology, you might not even be aware that your furnace is on. 

5. Smart Thermostat 

You probably have a programmable thermostat, but chances are you probably aren’t maximizing your energy savings. These thermostats can be difficult to program, particularly if your schedule changes from day to day. 

A smart thermostat eliminates all the guesswork about energy efficiency. Many models can pick up on your temperature preferences and then produce an energy-saving schedule to match. They also know when you’re home or away and will adjust your heating and cooling as needed. 

As an extra perk, you’ll also be able to monitor and change your settings from just about anyplace on your phone. Some models can even notify you if they detect a problem with your furnace or remind you when it’s time to replace your air filter. 

6. Warranty 

There’s a major difference in furnace quality and reliability. Like any big purchase, we think it’s best to go with a major brand name. With a top brand like Lennox® or Goodman®, you’ll have more confidence in the technology and that the manufacturer will stand by its product warranty over the long haul. 

Furnaces typically have two primary warranty coverage areas: 

  • Heat exchanger. This is the heart of the furnace and the most expensive component to replace. This part usually has a 20-year limited warranty or lifetime limited warranty, but this can vary based on the manufacturer and furnace model. 
  • Main components. This includes the blower motor, electronic controls, ignitors and other important parts. Warranties can vary from as short as a one-year limited warranty to as long as a 10-year limited warranty. 

When reviewing warranty coverage, it’s important to know it’s limited. So, you should make sure you understand the restrictions. For instance, nearly all standard manufacturer warranties only cover the cost of the replacement part, not labor. And labor on a replacing heat exchanger could get costly. 

Once your new furnace is installed, make sure you finish the product registration immediately. Many manufacturers may limit the warranty term if the product registration is not done. This step is easy and usually only takes a few minutes. 

7. Cost 

How much does all this cost anyway? It could vary from $1,700 for a basic furnace, or $5,500 or more for a high-efficiency system. 

As you think about these costs and the affect on your budget, remember that unlike nearly every other appliance you may need to purchase, your new furnace may help pay for itself from the monthly energy savings it provides. 

A couple of other ways to save include: 

  • Replacing your air conditioner at the same time. 
  • Buying at the right time, such as in early fall, mid-winter and early spring. You may be able to get extra discounts and rebates during this less busy season. 
  • Take advantage of rebates from the federal and state government, as well as from your local utility company. We can help you navigate this process. 
  • Finance your new furnace or enroll in our exclusive HVAC Advantage Program™. For just one low monthly fee, you’ll receive a new furnace with repairs and maintenance included.* 

How Do I Know When to Replace My Furnace? 

Now that you know what to search for in a new furnace, when should you replace your outdated one? Here are a few ideas from our Experts that will help you make that decision. 

Age 

Heating systems usually last 15–20 years. How long yours will keep going depends on whether you’ve kept up with furnace maintenance, where you live and your desired temperature. If you’re somewhere with harsh winters, your furnace will operate more frequently, potentially making it wear out faster. The same goes if you like to keep your home at a warmer temperature. 

Repair Frequency and Cost 

Just like any appliance, as furnaces get older, the likelihood for frequent furnace repair goes up. If your system is more than 15 years old, those repairs can be especially costly. Common and expensive repairs on an older furnace include: 

  • Blower motor failures 
  • Ignition control failures 
  • Heat exchanger failures 

If repairs are greater than the half the price of a new furnace, it’s generally best to replace it. 

Energy Efficiency 

Furnaces older than 15 years can be very inefficient. You could be throwing away as much as 30% of the money you spend to keep your home warm. Excessive energy costs and the desire to decrease energy use are also strong reasons to think about replacing your furnace. In fact, an independent study by Decision Analyst shows nearly 20% of homeowners who recently replaced their furnace specifically did so to lower their utility bills. 

Trust Your Furnace Replacement to the Experts 

It can feel overwhelming trying to research furnace features on your own. Or recognize exactly when you should get a new furnace. Our Service Experts Heating, Air Conditioning & Plumbing Experts are here to make the process much easier. Call us at 866-397-3787 or schedule an appointment online to book your free home comfort assessment today. 


*For HVAC Service Memberships, certain warranty exclusions and limitations apply. See your signed agreement for full terms and conditions. For the Advantage Program™, please see your signed Advantage Program Agreement for full details and exclusions. Lease with approved credit; visit ServiceExperts.com for details. 

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