Heating Maintenance
Furnace and heating tune-ups that keep you warm, safe, and efficient all winter.
Professional Heating Maintenance in Illinois
Annual heating maintenance keeps your system safe, efficient, and reliable through the coldest months — and it heads off the mid-winter no-heat call. Our thorough tune-up covers combustion, safety, airflow, and controls from top to bottom.
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, boilers, and forced-air 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 heating maintenance 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 Heating Maintenance
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:
- It has been more than a year since your last tune-up
- Uneven heating between rooms
- Rising heating bills
- Strange smells when the heat first runs
- The system is slow to reach temperature
How Our Heating Maintenance 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 heating maintenance 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 dirty burner or heat exchanger
- Clogged filters and restricted airflow
- A miscalibrated thermostat
- Worn safety controls and limit switches
- Loose electrical connections
What's Included in Our Heating Maintenance
Every heating maintenance 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:
- Clean the burners and inspect the heat exchanger for cracks or corrosion
- Test the igniter and flame sensor and clean the sensor to spec
- Verify gas pressure and check combustion, including a flue draft test
- Test every safety control — limit switches, pressure switches, rollout switches
- Check blower amp draw, belt condition, and airflow across the exchanger
- Confirm thermostat calibration and the system's temperature rise
- On boilers: check water pressure, the expansion tank, and bleed air from the loop
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 Heating Maintenance Costs
The tune-up is a fixed price quoted before you book. If we find a worn part, you get a flat repair price and a clear explanation of whether it needs doing now or can reasonably wait until next season — and we'll tell you when it can wait.
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
Heating maintenance carries a safety dimension that AC maintenance doesn't. A furnace burns fuel inside your house, and a cracked heat exchanger, a blocked flue, or a failing rollout switch can put combustion gases into your living space. The efficiency and reliability gains are real, but the combustion and flue inspection is the part that matters most.
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?
Book the fall tune-up before the first hard freeze. Once the temperature drops, every HVAC company in the region is running no-heat emergencies, and a scheduled maintenance visit is competing against houses with no heat at all. September and October are the easy months to get on the calendar.
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 heating maintenance 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.
Heating Maintenance — Frequently Asked Questions
How much does heating maintenance 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.
Does a tune-up include a carbon monoxide safety check?
Yes. Inspecting the heat exchanger for cracks, testing combustion, and confirming the flue is drawing correctly are core parts of every heating tune-up we do — that safety check is the most important thing in the visit.
Do you offer same-day heating maintenance?
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 heating maintenance 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 Heating Maintenance?
Book online in under a minute or call now — most repairs completed the same day, backed by a full warranty.
