Heating Installation
Efficient furnace and heating system installation, sized right for your home or business.
Professional Heating Installation in Illinois
When it's time to replace an aging or failed furnace, the right new system pays you back every month in comfort and lower bills. We help you choose an efficient, correctly-sized unit and install it cleanly and to code, with heating installations starting from around $2,500.
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 high-efficiency gas furnaces, electric furnaces, and 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 heating installation 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 Installation
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:
- A furnace over 15 years old
- Repeated, expensive repairs
- Uneven heat and cold spots
- A cracked heat exchanger (a safety hazard)
- High bills from a low-efficiency unit
How Our Heating Installation 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 installation 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:
- An aging or failed heat exchanger
- An improperly sized original system
- Outdated, inefficient equipment
- Poor prior installation
What's Included in Our Heating Installation
Every heating installation 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:
- A room-by-room heat-loss calculation, so the new furnace is sized to the house rather than to whatever was there before
- A review of the existing ductwork, returns, and venting for compatibility with a high-efficiency unit
- Clear options across efficiency tiers with the actual annual-cost difference for your home
- Permits pulled and the installation completed to Illinois code
- Correct condensate handling and venting for a 90%+ condensing furnace
- Startup and commissioning: gas pressure set, temperature rise verified, safeties tested
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 Installation Costs
Heating installations start from around $2,500 and are quoted per project after an on-site assessment. Two things commonly move that number: stepping up to a higher-efficiency condensing furnace, and duct or venting work an older house needs before a modern unit will perform properly. We'll show you both as separate lines rather than burying them.
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 furnace replacement is the right moment to fix the problems the old system was masking. Undersized returns, leaky duct joints in an unconditioned attic or crawlspace, and missing insulation all cost you comfort every winter. Correcting them during the install costs a fraction of what it costs to come back later.
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?
Most furnace replacements are planned, and the shoulder seasons give you the widest equipment selection and the calmest schedule. If your furnace has failed outright in the middle of winter, say so — we'll look at safe temporary options and move the installation as quickly as the equipment allows.
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 installation 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 Installation — Frequently Asked Questions
How much does heating installation 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.
Is a high-efficiency furnace worth the extra cost?
It depends on your house and how long you plan to stay. A condensing furnace saves real money on fuel every winter but may need new venting and condensate drainage. We'll show you the actual annual difference for your home so you can decide on the numbers rather than on a sales pitch.
Do you offer same-day heating installation?
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 installation 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 Installation?
Book online in under a minute or call now — most repairs completed the same day, backed by a full warranty.
