Home / Furnace Repair
When your furnace stops working in the middle of a Wisconsin winter, you need more than just a quick fix. You need a team of experienced technicians who understand your heating system inside and out, and who are committed to getting your home warm again—fast. At Harker Heating & Cooling, we’ve been providing professional furnace repair in Madison, WI, and the surrounding Dane County area since 1949. With over 70 years of experience keeping families comfortable through brutal winters, we’re equipped to handle any furnace issue you throw our way.
In Wisconsin’s harsh winters, a properly-functioning furnace is a necessity. A furnace breakdown during a cold snap isn’t just an inconvenience; it’s a potential hazard that can jeopardize your family’s well-being.
Harker Heating and Cooling offers emergency furnace repair services to ensure your furnace gets up-and-running again ASAP. Our reliable team of 24/7 furnace repair technicians have the skills and knowledge to get your system working again, fast, and keep your household warm and comfortable.
Get started with a complimentary service estimate today.
Professional furnace repair in Madison, WI involves having a certified HVAC technician diagnose the problem with your heating system and perform necessary repairs to restore safe and efficient operation. The best choice is a company that offers 24/7 emergency service, upfront pricing, and a commitment to honest solutions—exactly what we deliver at Harker.
Call (608) 480-6786. Harker’s furnace specialists are available 24/7 to assist you with all of your emergency furnace repair needs.
When you join Harker Heating & Cooling’s FREE Goldstar Program, you’ll immediately save money on your annual heating and cooling tune-ups! Plus, enjoy 24/7 priority service to prevent further repairs down the road.
Wisconsin’s winters are no joke. When your furnace fails, it’s not just about comfort—it’s about safety and protecting your home from freezing pipes and potential damage. We understand the urgency, which is why we’ve built our reputation on reliability, speed, and honest communication.
We’re not here to oversell you on a replacement when a repair will do the job. Our furnace repair technicians will give you a straightforward assessment of your system’s condition and walk you through your options. We believe everyone deserves to feel comfortable in their home, and we’ll work within your budget to make that happen.
Here’s what sets our professional furnace repair services apart:
Not all furnace issues are created equal. Some problems are quick fixes, while others require the expertise of a seasoned professional. Understanding what’s going wrong with your heating system helps you make better decisions about repair versus replacement.
The most common furnace problem we see is a dirty or clogged air filter. While this sounds simple, it's often overlooked by homeowners. A clogged filter restricts airflow, forcing your furnace to work harder and reducing efficiency. In some cases, it can even cause your system to shut down as a safety measure. The good news? This is an easy fix. We recommend replacing your air filters every one to three months, depending on your home's conditions and whether you have pets.
If your furnace is running but not producing heat, or if your home isn't getting as warm as it should, there are several potential culprits. It could be a faulty thermostat, a broken ignition system, or a problem with your heat exchanger. Our professional furnace repair technicians will diagnose the issue and get your system heating properly again.
Furnaces make some noise during normal operation, but loud banging, squealing, or grinding sounds are signs of trouble. These noises often indicate loose components, a failing blower motor, or issues with the burners. Don't ignore these sounds—they typically get worse over time and can lead to more expensive repairs if left unaddressed.
If your furnace keeps turning on and off, or shuts down unexpectedly, something is preventing it from running normally. This could be a problem with the limit switch, a dirty flame sensor, or a thermostat malfunction. Frequent cycling also wastes energy and drives up your heating costs.
For gas furnaces, a failure to ignite or repeated shutdown could indicate a problem with the ignition system, a blocked burner, or a faulty flame sensor. These are safety-critical components, and we recommend having them checked by a professional right away.
This is one of the biggest decisions homeowners face. Should you invest in repairs or spring for a new system? Here’s how we typically approach this question.
Not sure which option is right for you? Schedule a professional consultation with our team. We’ll examine your system, discuss your options, and help you make the best decision for your home and budget.
Some furnace problems cost more to fix than others. The most expensive repair you’re likely to encounter is replacing the heat exchanger, which can run around $2,000 or more. The heat exchanger is a critical component that transfers heat from the burner to the air circulating through your home. Heat exchangers require specialized knowledge and skills to replace safely, which is why the labor costs are high.
We keep things simple. When you call us about professional furnace repair in Madison, WI, here’s what happens:
We dispatch a technician to your home quickly. During heating emergencies, getting your system working again is our top priority.
Our technician will inspect your furnace, identify the problem, and explain it to you clearly. We never guess—we diagnose.
You'll receive a detailed estimate that shows exactly what needs to be repaired and what it will cost. No hidden fees, no surprises.
Once you approve the work, our technician will perform the repair using quality parts and proven techniques.
We test your furnace thoroughly to make sure it's running safely and efficiently before we leave your home.
Prevention is always better than emergency repairs. Regular furnace maintenance keeps your system running efficiently and can catch small problems before they become expensive ones.
We recommend annual furnace maintenance before the heating season begins. During a maintenance visit, our technicians will:
Regular maintenance not only extends the life of your furnace but also helps it run more efficiently, which means lower heating bills. Plus, many furnace warranties require annual maintenance to stay valid.
If you’re looking for an easy way to stay on top of furnace maintenance, join our free Goldstar Planned Service Program. Members receive discounts on annual heating and cooling tune-ups and get priority service when they need repairs. It’s our way of rewarding customers who take a proactive approach to home comfort.
A furnace breakdown doesn’t wait for business hours, and neither do we. Whether it’s the middle of the night, a weekend, or a holiday, our professional furnace repair technicians are ready to help.
When your furnace fails, call us immediately at (608) 255-6902.
Our emergency furnace repair service covers Madison and the surrounding Dane County area. We understand that a broken furnace is an urgent situation, and we treat it that way. Our goal is to have your heating system restored and your home warm again as quickly as possible.
We’ve been keeping Madison families warm and comfortable for over 70 years. Our reputation is built on honest service, skilled technicians, and a genuine commitment to your comfort and safety. When you need professional furnace repair in Madison, WI, you can count on us to diagnose the problem correctly, provide fair pricing, and get the job done right.
Don’t suffer through winter with a broken furnace. Contact us today to schedule your furnace repair or request an emergency service call.
Request a Service Quote | Call Now: (608) 255-6902 | Join Goldstar Program
Over 70 years of trusted HVAC service to Madison and Dane County. Licensed. Insured. Available 24/7.
The most common problem furnaces experience is dirty or clogged air filters that are left unreplaced for too long. To prevent this, replace your air filters on a regular schedule (approx. every 1-3 months).
The average furnace lasts for approximately 15-20 years. Regular annual maintenance performed by Harker Heating and Cooling experts helps extend your furnace’s lifespan.
When determining whether to repair or replace a furnace, it’s best to look at your current furnace’s age. If your furnace is 15 years old or older, it may be time to replace your furnace. If your furnace is less than 15 years old, it may be better to repair your furnace depending on the severity of the issue.
If you’re unsure which option is best for you, contact a Harker expert for a consultation.
If you notice:
Contact our Harker furnace technicians for an inspection and consultation. They can diagnose issues and recommend next steps for repair or replacement.
The most expensive repair on a furnace is replacing a heat exchanger, which oftentimes costs approx. $2000. Heat exchangers require particular knowledge and skills to replace, which results in high repair costs.
The cost of a new furnace can vary based on the type, size, and efficiency. Schedule a free estimate with Harker Heating and Cooling to find the right furnace for your home and budget.