There is no worse feeling in the middle of a Mokena winter than a furnace that suddenly goes quiet, stops blowing warm air, or starts making an alarming noise. A broken furnace isn’t just an inconvenience; it’s an urgent threat to your home’s comfort and safety. That’s why Potocki Heating & Air Conditioning provides fast, reliable, and expert furnace repair services specifically for our neighbors in Mokena, IL. We’re here to get your heat back on quickly and safely.
Whether you’re facing a sudden breakdown or planning a necessary upgrade to a new, high-efficiency heating system, our team has the certified expertise to handle all your heating needs. For honest service and rapid response you can count on, call Potocki Heating & Air Conditioning at 815-693-5579 right away.

Expert Furnace Repair for Mokena Homes
When your heat goes out, you need an expert who can diagnose the problem accurately and fix it right the first time. Our technicians are trained to service all makes and models, tackling everything from simple fixes to complex component failures. We are your local solution for any heating system repair.
Common Furnace Problems We Fix
- No Heat: The most obvious and urgent problem. This can be caused by anything from a faulty ignitor or flame sensor to a failed thermostat.
- Strange Noises: Banging, scraping, or squealing noises point to mechanical problems like a loose or broken blower fan, worn-out bearings, or an ignition issue.
- Frequent Cycling: If your furnace turns on and off constantly (short-cycling), it could be a clogged filter, an improperly calibrated thermostat, or an oversized system.
- Yellow or Flickering Pilot Light: A pilot light should be a steady blue. A yellow or flickering flame often indicates a dirty burner or a potential ventilation issue, which can create a carbon monoxide risk.
Our 24/7 Emergency Furnace Service
Furnace breakdowns don’t wait for business hours, and neither do we. Potocki Heating & Air Conditioning offers emergency furnace service to Mokena residents. When your heat fails on a freezing night or weekend, our team is ready to respond, restoring your comfort and safety as quickly as possible.
Your Local Expert for Heating Installation & Replacement
Sometimes, an old or severely damaged furnace costs more to repair than it’s worth. Our team also specializes in professional furnace installation. We provide honest, no-pressure assessments to help you decide when a new system is the smarter financial choice.
Is It Time to Replace Your Furnace?
Upgrading your furnace is a major decision. Consider a replacement if your current system is:
- Over 15 years old: Older furnaces are significantly less efficient and more prone to breakdowns.
- Requiring frequent repairs: If you’re calling for repairs every year, that money is better spent on a new, reliable system.
- Causing high utility bills: A new, high-efficiency model, like those certified by ENERGY STAR, can drastically reduce your monthly gas bills.
- Not heating your home evenly: This is a sign of an improperly sized or failing unit.
If you’re unsure, our technicians can perform a full diagnostic and help you compare the cost of a furnace repair against the long-term savings and reliability of a new installation, all based on sound energy guidelines.
Why Mokena Trusts Potocki for All Heating Needs
When you call Potocki Heating & Air Conditioning, you’re calling a local Mokena-area expert dedicated to quality and integrity. We’re not just a service provider; we’re your partner in maintaining a safe and comfortable home.
Honest Assessments: Repair vs. Replace
Our most important promise is our honesty. Our technicians will always give you a straightforward assessment. If a simple, cost-effective repair is all you need, that’s exactly what we’ll recommend. We will never pressure you into a new installation you don’t need. This transparent approach is the foundation of our business.
Certified Expertise, Guaranteed Quality
Our technicians are certified, insured, and continuously trained on the latest heating technology. We take pride in our workmanship, ensuring every repair or installation is done to the highest standards of safety and quality. We’re also your partner for your home’s *entire* climate, including expert air conditioning services.
Local, Reliable, and Ready
As a local Mokena-area company, our reputation is built on serving our community. We offer upfront, transparent pricing before any work begins, so you’ll never have to worry about hidden fees. We arrive on time, treat your home with respect, and clean up after our work is done.
Whether you need an urgent furnace repair in Mokena, IL, or you’re considering a new heating installation, don’t wait. Call the trusted professionals at Potocki Heating & Air Conditioning at 815-693-5579 or contact us directly for a consultation.
Frequently Asked Questions About Heating Services
How do I know if I need a furnace repair or a full replacement?
This is the most common question we get. The answer depends on three factors: your furnace’s age, the cost of the repair, and the frequency of past repairs. A good rule of thumb: if the cost of a repair is 50% or more of the cost of a new furnace, or if your system is over 15 years old and needs a major repair, a replacement is often the more economical long-term solution.
How much does a furnace repair cost in Mokena?
Because “furnace repair” can range from a minor sensor cleaning to replacing a failed blower motor, there is no single price. What we guarantee is transparent, upfront pricing. Our technician will perform a complete diagnostic, identify the problem, and provide you with a clear, written quote for the repair *before* any work begins. You will always have the final say.
How quickly can you get here for an emergency repair?
We prioritize emergency, no-heat calls. As a local company serving Mokena, we can typically dispatch a technician for an emergency furnace service much faster than larger, non-local companies. Call us at 815-693-5579 for the most up-to-date availability and a rapid response.