Furnace Installation & Replacement

Furnace Installation & Replacement Services

Illinois winters demand a furnace that works — period. When temperatures drop below zero and wind chills make it feel even colder, your furnace is the one piece of equipment standing between your family and a dangerously cold home. If your current furnace is aging, inefficient, or unreliable, replacing it with a modern high-efficiency system is one of the best investments you can make.

All Seasons Heating & Cooling provides professional furnace installation and replacement across the Fox Valley and DuPage County, including the Fox Valley, Wheaton, Batavia, Geneva, St. Charles, North Aurora, and South Elgin. We help you choose the right furnace for your home, handle every detail of the installation, and make sure your new system is running perfectly before we leave.

Our Furnace Installation Services

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What Our Customers Are Saying

Sonia F.
All Season has been great. They always send professionals that will take care of our heating and AC. Al Ruiz-Serna did an amazing job. He was so polite and respectful. We called them again, because we were satisfied with their service.
Joan V.
We always receive exceptional and timely service from All Seasons ! Most recently our furnace motor went out and they worked to accommodate our schedule and get it fixed asap. Al, our technician was knowledgeable, professional, friendly, efficient and did a great job in getting our furnace working.
Rosa J.
I received service quickly. Joe was the installer and worked extremely hard to solve my issue. The service perform was done in a very professional way. I am extremely pleased with service provided by this company.
Kim C.
They arrived earlier than expected, were thorough, and completed the repair within a couple of hours. Highly recommend All Seasons Heating and Cooling for your HVAC needs!
Corey H.
Joe did a fantastic job. After thoroughly cleaning and testing the furnace he explained in detail the results of the testing and condition of our furnace. Highly recommend!!
Edward B.
Speedy, professional, reasonably priced, and most importantly did not give me a hard sell on an entirely new system. They did follow up with an offer to replace my aging HVAC, which I appreciate but finances being what they are now is not the time, and they respected that.
Maria L.
Outstanding Service! Highly recommend! Many thanks to the office and Joe! Honest guy that is so hard to find in the trades. I will continue to work with All Seasons. Thank you!
Craig S.
All Seasons has done it again! We had our routine furnace check up and were impressed by the professionalism, personality and expertise of the service representative that came to our home! Thank you again, All Seasons!
Amy B.
All Seasons is awesome! They came out right away on the one of the coldest days of the year to fix my furnace. If you have an HVAC issue, this is the company to call!
Julia G.
Wonderful service! We’ve used All Seasons for 25 years! Great service and very professional and courteous service people. Our service person Al explained everything he did and type of filters we needed. We will continue to use All Seasons.

When Should You Replace Your Furnace?

Knowing when to repair versus replace your furnace saves you money in the long run. Here are the signs that point toward replacement:

Age: Most furnaces last 15-20 years. If yours is approaching or past that range, replacement is usually more cost-effective than continued repairs — especially if it uses an older, less efficient design.

Rising energy bills: As furnaces age, they lose efficiency. If your heating costs have been climbing even though your usage hasn’t changed, your furnace is working harder than it should. A new high-efficiency furnace (95-98% AFUE) can cut your heating costs by 20-30% compared to an older 80% AFUE model.

Frequent repairs: If you’ve called for furnace repair more than twice in the past two heating seasons, those repair costs are adding up. At some point, putting that money toward a new system makes better financial sense.

Uneven heating: Rooms that are too hot, too cold, or never quite reach the thermostat setting often indicate a furnace that’s lost its ability to distribute heat effectively.

Safety concerns: Cracked heat exchangers, carbon monoxide issues, or yellow burner flames are serious safety problems that often make replacement the only responsible option.

Why Choose All Seasons for Furnace Installation

Fox Valley homeowners choose All Seasons for furnace installation because we combine decades of experience with a commitment to doing things right. We don’t push the most expensive system — we recommend the furnace that fits your home, your budget, and your comfort goals.

Our installation process:

  • Free in-home assessment: We measure your home, evaluate your ductwork, and discuss your comfort priorities before recommending a system
  • Right-sized equipment: We perform a Manual J load calculation to ensure your new furnace is properly sized — not too big, not too small
  • Professional installation: Our NATE-certified technicians handle everything: removal of the old unit, installation, ductwork connections, thermostat setup, and full system testing
  • All major brands: We install Carrier, Lennox, Trane, Goodman, Rheem, Bryant, and more
  • Financing available: We offer flexible financing options to make a new furnace affordable
  • Warranty protection: All installations are backed by manufacturer warranties plus our own workmanship guarantee

Ready to discuss a new furnace? Call All Seasons at 630-896-1934 or schedule a free estimate online.

The Benefits of a New High-Efficiency Furnace

Today’s furnaces are dramatically more efficient than models from even 10-15 years ago. A new 96% AFUE furnace converts 96 cents of every energy dollar into heat, compared to just 80 cents for older standard models. That difference adds up to hundreds of dollars in savings every heating season — and a more comfortable, evenly heated home.

Get Reliable Furnace Services Near You in the Fox Valley

You don’t have to settle for a barely hanging furnace. Whether your system’s outdated or completely broken, All Seasons Heating & Cooling is ready to help with top-tier furnace installation and replacement in the Fox Valley. We’ll walk you through your options, handle the job carefully, and stand behind our work long after the installation.

Ready to upgrade your home’s comfort? Call us today and let’s get your heat back on track—affordably, efficiently, and professionally. 

All Seasons Heating & Cooling

Frequently Asked Questions

How do I know if I need a new furnace?

If your furnace is over 15 years old, needs frequent repairs, or has unusually high energy bills, it might be time for a replacement. Uneven heating is another red flag.

We’ll assess your home, help you select a suitable furnace, remove the old unit, install the new one, and test everything for safe, efficient operation.

Most installations are completed in one day. We’ll give you a time estimate during your initial consultation.

Sometimes. If you’re switching to a different size or model, we may need to adjust your ductwork for peak efficiency.

Yes! We offer flexible financing to help make your upgrade affordable. During your quote, we’ll walk you through your options.

Pair your new furnace with a whole-house humidifier for optimal winter comfort. If your current furnace just needs a fix, our furnace repair team can get it running again quickly.

All Seasons Heating & Cooling proudly serves the Fox Valley and the entire Fox Valley. Visit our homepage to learn more about our family-owned company.

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