Furnace Installation in Chicago
Professional furnace installation for homes, condos, and multi-unit buildings across Chicago. We install high-efficiency gas furnaces from top brands with clean, code-compliant workmanship and upfront pricing.
Free estimates. Licensed & insured. Financing available.
Chicago Heating & Cooling Done Right.
You've Tried Da Rest. Experience the Difference with D's Air & Heating.
Serving homeowners and businesses throughout Chicago and surrounding communities.
Chicago Heating & Cooling Done Right.
You've Tried Da Rest. Experience the Difference with D's Air & Heating.
Serving homeowners and businesses throughout Chicago and surrounding communities.
A properly installed furnace is essential for staying warm during Chicago's harsh winter months. At D's Air & Heating, we provide professional furnace installation for all major brands, including Lennox, Carrier, Goodman, American Standard, and more. Chicago homes need heating systems that deliver strong, consistent warmth, and our installations follow manufacturer-approved procedures to ensure maximum efficiency, safety, and long-term reliability. Whether you're replacing an older furnace or upgrading to a high-efficiency model, our team delivers clear pricing, fast service, and expert workmanship — all with no contracts required. If your existing system needs service first, see our furnace repair page for same-day diagnostics.
Our furnace installation process includes full system sizing, ductwork evaluation, safety checks, airflow balancing, and thermostat integration. We ensure your new furnace is properly matched to your home's heating needs, reducing energy waste and improving comfort. High-efficiency furnaces can significantly lower utility bills with advanced burners, variable-speed motors, and sealed combustion technology. For Lennox equipment, our factory-trained technicians follow Lennox-approved installation procedures to protect your manufacturer warranty and ensure peak performance.
We also specialize in complete heating system upgrades, including humidifiers, IAQ systems, smart thermostats, and matched AC or heat pump installations. Proper system design improves airflow, reduces noise, and extends equipment life — giving you a more comfortable and efficient home. For urgent situations, we offer emergency heating service to restore heat fast. Contact us for a free installation estimate today.
Furnace Installation Pricing
Upfront pricing — no surprises, no contracts.
$2,800 – $5,500
80% AFUE gas furnace for single-family homes and condos.
- Removal of old furnace
- New furnace installation
- New flue pipe / venting
- New gas shutoff valve
- New electrical connections
- New thermostat (if needed)
- System startup & safety check
- Customer walkthrough
$4,500 – $8,500
96%+ AFUE two-stage or variable-speed furnace for maximum comfort and savings.
- Removal of old furnace
- High-efficiency furnace (96%+ AFUE)
- New PVC condensate venting
- New condensate drain line
- New gas shutoff valve
- New electrical connections
- Smart thermostat installation
- Full startup & efficiency testing
$6,000 – $18,000
For 2–12 unit buildings and light commercial properties.
- Removal of old equipment
- New furnaces per unit
- New venting systems
- New gas connections
- New electrical wiring
- Zone controls & thermostats
- System balancing & commissioning
- Safety & efficiency testing
Furnace Types We Install
Brands We Install
What's Included in Every Installation
A complete, code-compliant installation from removal to startup.
Financing Available
Don't let upfront cost delay your heat. We offer flexible financing for qualified customers.
Monthly payments from
$79 – $179/mo
Based on system cost and approved credit. Ask about current promotions.
Furnace Installation FAQs
Common questions about furnace installation in Chicago.
How much does furnace installation cost in Chicago?
Furnace installation in Chicago typically ranges from $2,800 to $8,500 depending on the efficiency rating, size, and complexity of the installation. High-efficiency 96%+ AFUE systems cost more upfront but significantly reduce monthly heating bills. D's Air provides free estimates with upfront pricing before any work begins.
How long does furnace installation take?
Most residential furnace installations are completed in one day — typically 4 to 6 hours. Multi-unit or commercial installations may take 1–3 days depending on the number of units.
What size furnace do I need for my Chicago home?
Furnace sizing is determined by a Manual J load calculation based on your home's square footage, insulation, windows, and layout. An oversized furnace short-cycles and wears out faster. An undersized furnace runs constantly and can't keep up on the coldest days. D's Air performs proper load calculations on every installation.
What is AFUE and why does it matter?
AFUE (Annual Fuel Utilization Efficiency) measures how efficiently a furnace converts gas to heat. An 80% AFUE furnace wastes 20 cents of every dollar spent on gas. A 96% AFUE furnace wastes only 4 cents. In Chicago's cold winters, upgrading from 80% to 96% AFUE can save hundreds of dollars per year on heating bills.
Do you require a service contract for furnace installation?
No. D's Air does not require service contracts or maintenance agreements. You pay only for the work you need — no hidden fees, no recurring charges unless you choose them.
Proper Sizing Is Everything
Every furnace installation starts with a proper Manual J load calculation to ensure the right size system for your home. An oversized furnace short-cycles, wastes energy, and wears out faster. We size it right the first time, install it clean, and test it thoroughly before we leave.
What Chicago Says
Furnace Installation Reviews — D's Air & Heating
"D's Air & Heating installed our new furnace before the first cold snap. Clean work, upfront pricing, and done in one day. Couldn't ask for more."
Verified Customer
Wicker Park, Chicago
"Darryl walked us through every option without any pressure. New Lennox furnace is running perfectly. D's Air & Heating is the real deal."
Verified Customer
Avondale, Chicago
"Professional from start to finish. D's Air & Heating handled the permit, the install, and the cleanup. Highly recommend for any furnace work."
Verified Customer
Irving Park, Chicago
Why Chicago Homeowners Trust D's Air & Heating
Licensed & Insured
IL License #2183457
Serving Chicago
Since 2009
Authorized Dealer
Multiple Brands
No Contracts
Ever — Guaranteed
Permit Pulled
Every Installation
Professional Standards
Code-Compliant Work
EPA Certified
Mainstream Engineering
R-410A Certified
Mainstream Engineering
Why Choose D's Air & Heating, Inc.?
Chicago's trusted HVAC company since 2009 — licensed, insured, and committed to honest workmanship on every job.
Experience Since 2009
D's Air & Heating has served Chicago homeowners and businesses since 2009. Over 15 years of local HVAC experience means we've seen every type of system, every Chicago building configuration, and every challenge the city's climate presents.
Manufacturer-Trained Technicians
Our technicians receive ongoing manufacturer training and certification. We install Lennox, Goodman, Amana, Daikin, Sinclair, Weil-McLain, Peerless, and other leading brands — and we know each system inside and out.
Licensed, Insured & Permitted
D's Air & Heating holds Illinois HVAC License #2183457 and carries full liability insurance. We pull City of Chicago permits on every installation — protecting you legally and ensuring the work meets code.
Honest Recommendations
We tell you what you need — not what generates the highest invoice. If your system can be repaired cost-effectively, we'll say so. If replacement makes more sense, we'll explain exactly why. No pressure, no upselling.
Local Chicago Expertise
We know Chicago's housing stock — two-flats, greystones, bungalows, vintage buildings with steam heat, modern construction with forced air. We size and install equipment for the specific demands of Chicago homes and Chicago winters.
Long-Term Customer Support
Our relationship doesn't end at installation. We register your equipment for warranty, remain available for follow-up questions, and provide ongoing maintenance to keep your system running at peak efficiency for years.
What Chicago Homeowners Should Know About Furnace Replacement
How a Gas Furnace Works
A gas furnace draws in return air, heats it through a heat exchanger using a gas burner, and distributes the warm air through your ductwork. Modern high-efficiency furnaces (90%+ AFUE) use a secondary heat exchanger to extract additional heat from combustion gases, dramatically reducing energy waste compared to older 80% AFUE units.
Warning Signs Your Furnace Needs Replacement
Age over 15–20 years, rising energy bills, uneven heating room to room, frequent cycling on and off, yellow or flickering burner flame, unusual noises (banging, rattling, squealing), and carbon monoxide detector alerts are all signals that replacement may be more cost-effective than continued repairs.
Choosing the Right Efficiency Level
For Chicago's cold winters, a 96%+ AFUE two-stage or variable-speed furnace delivers the best long-term value. Two-stage operation runs at lower capacity most of the time, reducing temperature swings and improving humidity control. Variable-speed blowers further improve comfort and air filtration efficiency.
Proper Sizing and Load Calculations
An oversized furnace short-cycles — it heats quickly, shuts off, and repeats — causing temperature swings, excess humidity, and premature wear. An undersized unit runs constantly and still can't keep up on the coldest days. D's Air performs Manual J load calculations on every installation to ensure the right equipment size for your home.
Airflow, Static Pressure, and Ductwork
Even the best furnace underperforms in a poorly designed duct system. D's Air measures static pressure and airflow on every installation. If your ductwork is undersized or leaking, we identify it before installation — not after — so your new furnace delivers the comfort it was designed for.
What to Expect From Your D's Air Furnace Installation
Free Estimate
We assess your home, measure your space, review your ductwork, and provide a written quote with no pressure.
Equipment Selection
We recommend the right brand, efficiency level, and size for your home and budget — not the most expensive option.
Installation Day
Our crew arrives on time, protects your floors and work area, removes the old equipment, and installs the new system cleanly.
Startup & Testing
We run full combustion analysis, check gas pressure, measure airflow, and verify safe operation before we leave.
Customer Training
We walk you through your new thermostat, filter location, and maintenance schedule before we pack up.
Warranty Support
We register your equipment for the full manufacturer warranty and remain available for any follow-up questions.
D's Air Installation Standards — Every Furnace Job
- Manual J load calculation before equipment selection
- Static pressure and airflow measurement — duct system verified
- Proper flue venting per manufacturer specs and local code
- Gas line pressure test and leak check at all connections
- Combustion air verification — adequate supply to burner
- Carbon monoxide test at all registers after startup
- Thermostat calibration and system test in both heat and fan modes
- City of Chicago permit pulled on every installation
- Equipment registered for full manufacturer warranty
- Customer walkthrough of new system operation and filter schedule
What Our Customers Say
Based on Google Reviews — D's Air & Heating, Inc.
Marcus T.
Furnace Replacement
"D's Air & Heating did an outstanding job replacing my furnace. Darryl was professional, on time, and explained everything clearly. The installation was clean and the system works perfectly. Highly recommend."
Sandra M.
Lennox Installation
"D's Air has been our go-to HVAC company for years. They installed our Lennox furnace and have maintained it ever since. Honest, reliable, and they never try to upsell you on things you don't need."
Kevin B.
HVAC Installation
"Professional from start to finish. They pulled the permit, did the installation correctly, and registered the equipment for warranty. That attention to detail is why I keep calling D's Air."
Denise H.
Furnace Repair
"Great experience overall. The technician was knowledgeable and took the time to walk me through the new system. Pricing was transparent with no hidden fees. Would definitely use again."
Ready to Work With Chicago's Trusted HVAC Company?
D's Air & Heating, Inc. — Serving Chicago Since 2009. Licensed, Insured, No Contracts.
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Ready for a New Furnace?
Get a free furnace installation estimate from D's Air. Upfront pricing, no contracts, same-week scheduling available.
Also From D's Air
Furnace Repair
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Furnace Tune-Up — $133
18-point inspection & efficiency check
AC Installation
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Furnace + AC Packages
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Lennox Systems & Pricing
ML296V, ML196E furnaces & more
Financing Options
0% APR — no money down on new installs