As a thank you for choosing Andersen, we are waving Basic Diagnostic & Dispatch Fees for a limited time only. *Excludes After Hours Calls

Furnace Repair in Joliet, IL

As Will County’s largest city, Joliet has a housing stock shaped by more than a century of growth, from dense older neighborhoods near the historic downtown to newer subdivisions on the city’s outer edges. That range means furnace problems can look very different depending on which part of Joliet a home sits in. Homeowners searching for furnace repair Joliet, IL crews respond to quickly need a technician comfortable working across that full spectrum.

Andersen Plumbing, Heating and AC Repair has served Joliet and the surrounding region since 1985. Our licensed technicians show up prepared for whatever they find and give you a firm price before any work begins.

Our Services:

Contact Us

What Your Neighbors Are Saying About Us

Camron B.
★★★★★
Quick appt and arrival, within same day of call. Brandon was efficient, thorough, and helpful; explaining all aspects of the installation and best practices for upkeep. Definitely would recommend.
Shanna B.
★★★★★
Fast response, quick evaluation, speedy repair, what more can be said? All around great service!
Cristin H.
★★★★★
We have used this company before, and they are so friendly and trustworthy. A lot of the problems we have needed help with are not simple and they have been straight forward and so easy to work with. Cameron especially has been very patient and kind.
Jennifer P.
★★★★★
Wonderful service, from the front desk to texts letting me know when Austin was to be expected. Austin couldn't be any nicer! And very efficient. Definitely will call when we need to.
Carley F.
★★★★★
Anderson is our go to for everything HVAC and plumbing at our house! Brendan and the other plumbers did great work with our bathroom and sump pump!

Furnace Red Flags Joliet Homeowners Should Not Ignore

A furnace usually shows some pattern of strain before it fails completely. Here is what Joliet homeowners should watch for.

  • Air from vents that is never fully warm
  • Furnace short cycling on and off
  • Unfamiliar sounds during startup or operation
  • Certain rooms noticeably colder than the rest
  • Rising gas bills without a clear reason
  • Pilot light or ignitor flame that looks unstable
  • Thermostat not starting a heating cycle
  • Furnace running constantly without reaching set temp

Older systems in particular can move from a minor symptom to a full breakdown quickly, so do not wait on these signs.

Why Joliet's Older Neighborhoods See More Furnace Calls

Joliet’s older neighborhoods near the historic downtown often include homes that were originally heated with boilers or steam systems before being converted to forced air at some point over the past several decades. That conversion process does not always account perfectly for how heated air should move through a home’s original layout, which can leave certain rooms chronically underheated.

Newer subdivisions on the city’s south and west sides have younger furnaces, but builder grade equipment in these homes is beginning to reach the age where ignitors and control boards commonly start to fail. Joliet’s industrial history also means some older properties have mechanical systems that were adapted over the years in ways that do not always follow current best practices, which can create airflow or venting issues a technician needs to sort out carefully.

Across the city, aging blower motors and neglected filters remain some of the most frequent causes of reduced furnace performance during the winter months.

Furnace Repair Services Across Joliet

Our technicians handle the full scope of furnace repairs across Joliet’s varied housing stock. We diagnose and repair ignitor and flame sensor issues, service gas valves and pressure switches, and troubleshoot blower motors and control boards when a system stalls or will not start.

We also inspect ductwork for airflow issues in older converted systems, check heat exchangers for cracks or corrosion, and calibrate thermostats to match how the home is actually heated. A thorough diagnostic gives you real answers, not guesses.

We work on all major furnace brands, from original equipment in century-old neighborhoods to newer systems in recent construction.

A Furnace Repair Visit in the Ridgewood Neighborhood

Cheryl called us on a weekday morning after her furnace stopped heating overnight. She lives in the Ridgewood neighborhood in a home that has been converted from an earlier boiler system, with ductwork added at some point decades after the house was originally built.

Our technician found the furnace itself functioning correctly, but several duct joints in the basement had loosened over the years, allowing a meaningful amount of heated air to escape before reaching the upper floors. The furnace had been compensating by running longer cycles, which had likely contributed to premature wear on the blower motor the tech also identified. After sealing the duct connections and servicing the blower motor, Cheryl’s home warmed noticeably faster and more evenly than it had in recent memory.

What Joliet Homeowners Can Count On with Andersen

Joliet homeowners, whether in a historic downtown neighborhood or a newer subdivision, deserve a technician who understands the full context of their system.

  • Licensed, experienced technicians
  • Upfront pricing before work begins
  • 24/7 emergency availability
  • \$99 Membership Plan for ongoing maintenance
  • Financing options for larger repairs
  • Family-owned and trusted across the region since 1985

Old system or new, we take the time to find the real reason your furnace is struggling.

Frequently Asked Questions

My home used to have a boiler system. Does that history still affect my furnace?

It can. Ductwork added during a conversion from a boiler or steam system to forced air sometimes does not distribute air as evenly as a system designed from the start for a furnace, which can leave certain rooms underheated.

Signs include rooms that stay cold no matter how long the furnace runs, gas bills that seem higher than expected, and a furnace that runs almost constantly. Loose or disconnected duct joints are more common in older homes than most people realize.

Yes. We work on furnaces of all ages and configurations, including original equipment and systems converted from earlier heating methods.

Even newer systems benefit from an annual Check Up, since catching a small issue early is typically far less costly than an emergency repair during the coldest part of winter.

Yes. We offer financing options to help make larger repairs and full system replacements more manageable. Our team can walk you through what is available once we have assessed your system.

Contact Us