Furnace Repair
No heat? We repair gas and electric furnaces fast, with same-day service on most calls.
Free Service Call With Repair
Fast & Efficient Service
Background-Checked Technicians
Fully Licensed & InsuredProfessional Furnace Repair in Illinois
A furnace that won't fire or blows cold air is more than an inconvenience during an Illinois winter — it's a risk to your comfort and your pipes. Our technicians diagnose ignition, airflow, and safety faults quickly and restore your heat, usually the same day.
As a family-owned company serving Illinois since 2015, we hold ourselves to a higher standard of care than the big national chains. We work on gas and electric furnaces, and forced-air heating systems, and we take full responsibility for every job from the first phone call to the final test. That means honest, flat-rate pricing you approve up front, background-checked technicians who respect your property, and a full warranty on every repair we complete.
Whether you're a homeowner who needs comfort restored quickly or a business owner who can't afford downtime, our goal is the same: diagnose the real problem accurately, fix it right the first time, and leave your space clean. Most furnace repair jobs are completed the same day — and if a special-order part is required, we typically wrap up the very next day.
Signs You Need Furnace Repair
Comfort problems rarely fix themselves, and small issues have a way of becoming expensive ones. If you notice any of the warning signs below, it's time to call our team at (312) 549-8885 before the problem gets worse:
- No heat or not enough heat
- The furnace won't ignite or keeps shutting off
- Cold air blowing from the vents
- Short-cycling — frequent on/off operation
- Banging, rattling, or whistling noises
- A yellow burner flame instead of blue
How Our Furnace Repair Works
Fast, transparent, and done right — here's exactly what to expect when you book with us.
Book online or call
Reserve online in under a minute, or call and we'll get you scheduled fast.
We diagnose the issue
A licensed, background-checked tech pinpoints the real root cause on site.
Approve a flat price
You get an upfront, flat repair price — labor and parts — before any work begins.
Fixed & warrantied
We finish most repairs the same day and back the work with a full warranty.
Common Causes We Diagnose and Fix
Accurate furnace repair starts with an honest diagnosis. Rather than guessing or upselling, our technicians test the system methodically to find the true root cause, then explain exactly what's wrong and what it will cost before any work begins. Some of the most common issues we resolve include:
- A faulty igniter or flame sensor
- A cracked or dirty heat exchanger
- A failing blower motor or capacitor
- A malfunctioning thermostat
- Clogged filters restricting airflow
- Bad limit switches or control boards
What's Included in Our Furnace Repair
Every furnace repair visit follows the same methodical checklist, so nothing gets skipped because it wasn't the obvious symptom. Here's what the technician actually does on site:
- Read and interpret the control-board fault codes rather than guessing at the symptom
- Test the igniter, flame sensor, and gas valve through a full ignition sequence
- Inspect the heat exchanger for cracks — a safety issue we will never gloss over
- Check the inducer and blower motors, limit switches, and pressure switches
- Verify gas pressure and combustion, and confirm the flue is drawing correctly
- Confirm a clean ignition and a stable temperature rise before leaving
Why Choose A+ HVAC and Refrigeration
Illinois homeowners and businesses have rated us 4.9 out of 5 across more than 1,282 Google reviews, and we've earned the Angi Super Service Award, Thumbtack Top Pro status, and BBB accreditation. That reputation is built one honest repair at a time.
Every technician on our team is fully licensed, insured, and background-checked. We charge a flat, upfront price per repair — never by the hour — and our diagnostic fee ($79 residential, $149 commercial) is waived in full when you proceed with the repair, which means with most repairs the service call is effectively free. Every job is backed by a full warranty: most replacement parts carry a 12-month warranty, and labor is warrantied 30+ days depending on the repair.
Just as important, we're a family-owned local business, not a faceless national chain. When you call us, you reach people who live and work in the communities we serve and who genuinely care about earning your trust. We show up when we say we will, communicate clearly at every step, and treat your home or business the way we'd want ours treated.
Fully licensed, insured, and background-checked technicians on every job.
A clear, upfront price per repair — never by the hour, and no hidden fees.
Most repairs are completed the same day, so you're comfortable again fast.
12-month parts and 30+ day labor warranty on every repair we complete.
What Furnace Repair Costs
Furnace repairs start at our $199 labor minimum plus parts. The wide range on this service is real and worth understanding: a flame sensor is a modest job, a control board or an inducer motor is meaningfully more, and a cracked heat exchanger usually means the honest recommendation is replacement rather than repair. Whichever it is, you get the flat price before we begin.
Because we price per repair rather than by the hour, you know the total cost before we begin and there's no incentive for anyone to work slowly. Our diagnostic fee is $79 residential and $149 commercial, waived in full when you authorize the work during the same visit.
Preventing the Next Repair
A no-heat call in January is almost never a surprise to the furnace — the igniter had been weakening, the flame sensor had been fouling, or the filter had been starving the blower for months. A fall tune-up catches those, and it also catches the one thing you can't afford to miss: the early stages of a cracked heat exchanger, which is a carbon-monoxide risk, not just a repair.
When our technician finishes, we'll give you an honest read on the overall condition of the system and whether routine maintenance would save you money — no pressure and no upselling, just straight advice about what we saw.
How Urgent Is This?
No heat in an Illinois winter escalates fast — an unheated house can reach the point of frozen and burst pipes in a matter of hours in a hard freeze. No-heat calls are the ones we push hardest to reach the same day, and our trucks carry igniters, flame sensors, and common motors so most of them finish on the first visit. If you smell gas, leave the building first and call the gas utility, then call us.
Book online in under a minute or call us at (312) 549-8885. We'll give you a realistic arrival window and keep you updated — and if your situation is urgent, say so when you book.
Serving Homes and Businesses Across Illinois
From our Des Plaines base we provide furnace repair throughout Illinois, including Des Plaines and the surrounding 10-mile area, Chicago, Park Ridge, Northbrook, Barrington, Naperville, Glendale Heights, Mount Prospect, Arlington Heights, and Wilmette. Whether it's a single-family home or a busy commercial kitchen, our team brings the same fast response, honest pricing, and fully-warrantied workmanship to every call.
Furnace Repair — Frequently Asked Questions
How much does furnace repair cost?
We price per repair, not by the hour, so you approve a flat, upfront price before we start. Our diagnostic fee is $79 residential / $149 commercial and is waived in full when you proceed with the repair. Minimum labor is $199, with final pricing based on the complexity of the job.
What should I do if I smell gas near my furnace?
Leave the building first, then call your gas utility from outside — do not operate light switches or the furnace. Once the utility has made the property safe, call us and we'll diagnose and repair the fault.
Do you offer same-day furnace repair?
Yes. The majority of our repairs are completed the same day as the service call. If a specialized, non-stock part is required, we typically finish the next day after it arrives.
Why won't my furnace turn on?
The most common causes are a faulty igniter or flame sensor, a tripped safety switch, a bad thermostat, or a clogged filter restricting airflow. We diagnose the exact cause on site and quote a flat repair price before any work begins.
Is furnace repair backed by a warranty?
Absolutely. Every repair is backed by a full warranty — most replacement parts carry a 12-month warranty, and labor is warrantied 30+ days depending on the repair.
Need Furnace Repair?
Book online in under a minute or call now — most repairs completed the same day, backed by a full warranty.